From 471452104b8520337ae2fb48c4e61cd4896e025d Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Mon, 14 Dec 2009 18:00:08 -0800 Subject: const: constify remaining dev_pm_ops Signed-off-by: Alexey Dobriyan Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/input/touchscreen/pcap_ts.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/input/touchscreen') diff --git a/drivers/input/touchscreen/pcap_ts.c b/drivers/input/touchscreen/pcap_ts.c index 67fcd33595d..b79097e3028 100644 --- a/drivers/input/touchscreen/pcap_ts.c +++ b/drivers/input/touchscreen/pcap_ts.c @@ -233,7 +233,7 @@ static int pcap_ts_resume(struct device *dev) return 0; } -static struct dev_pm_ops pcap_ts_pm_ops = { +static const struct dev_pm_ops pcap_ts_pm_ops = { .suspend = pcap_ts_suspend, .resume = pcap_ts_resume, }; -- cgit v1.2.3 From 8cab9ba10493cea164ac8bbbc733c21a528e6fe5 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Wed, 6 Jan 2010 23:52:12 -0800 Subject: Input: elo - switch to using dev_xxx() when printing messages Also fix formatting of "switch" statements. Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/elo.c | 225 +++++++++++++++++++++------------------- 1 file changed, 120 insertions(+), 105 deletions(-) (limited to 'drivers/input/touchscreen') diff --git a/drivers/input/touchscreen/elo.c b/drivers/input/touchscreen/elo.c index 8f38c5e55ce..486d31ba9c0 100644 --- a/drivers/input/touchscreen/elo.c +++ b/drivers/input/touchscreen/elo.c @@ -72,45 +72,49 @@ static void elo_process_data_10(struct elo *elo, unsigned char data) struct input_dev *dev = elo->dev; elo->data[elo->idx] = data; - switch (elo->idx++) { - case 0: - elo->csum = 0xaa; - if (data != ELO10_LEAD_BYTE) { - pr_debug("elo: unsynchronized data: 0x%02x\n", data); - elo->idx = 0; - } - break; - case 9: + switch (elo->idx++) { + case 0: + elo->csum = 0xaa; + if (data != ELO10_LEAD_BYTE) { + dev_dbg(&elo->serio->dev, + "unsynchronized data: 0x%02x\n", data); elo->idx = 0; - if (data != elo->csum) { - pr_debug("elo: bad checksum: 0x%02x, expected 0x%02x\n", - data, elo->csum); - break; - } - if (elo->data[1] != elo->expected_packet) { - if (elo->data[1] != ELO10_TOUCH_PACKET) - pr_debug("elo: unexpected packet: 0x%02x\n", - elo->data[1]); - break; - } - if (likely(elo->data[1] == ELO10_TOUCH_PACKET)) { - input_report_abs(dev, ABS_X, (elo->data[4] << 8) | elo->data[3]); - input_report_abs(dev, ABS_Y, (elo->data[6] << 8) | elo->data[5]); - if (elo->data[2] & ELO10_PRESSURE) - input_report_abs(dev, ABS_PRESSURE, - (elo->data[8] << 8) | elo->data[7]); - input_report_key(dev, BTN_TOUCH, elo->data[2] & ELO10_TOUCH); - input_sync(dev); - } else if (elo->data[1] == ELO10_ACK_PACKET) { - if (elo->data[2] == '0') - elo->expected_packet = ELO10_TOUCH_PACKET; - complete(&elo->cmd_done); - } else { - memcpy(elo->response, &elo->data[1], ELO10_PACKET_LEN); - elo->expected_packet = ELO10_ACK_PACKET; - } + } + break; + + case 9: + elo->idx = 0; + if (data != elo->csum) { + dev_dbg(&elo->serio->dev, + "bad checksum: 0x%02x, expected 0x%02x\n", + data, elo->csum); + break; + } + if (elo->data[1] != elo->expected_packet) { + if (elo->data[1] != ELO10_TOUCH_PACKET) + dev_dbg(&elo->serio->dev, + "unexpected packet: 0x%02x\n", + elo->data[1]); break; + } + if (likely(elo->data[1] == ELO10_TOUCH_PACKET)) { + input_report_abs(dev, ABS_X, (elo->data[4] << 8) | elo->data[3]); + input_report_abs(dev, ABS_Y, (elo->data[6] << 8) | elo->data[5]); + if (elo->data[2] & ELO10_PRESSURE) + input_report_abs(dev, ABS_PRESSURE, + (elo->data[8] << 8) | elo->data[7]); + input_report_key(dev, BTN_TOUCH, elo->data[2] & ELO10_TOUCH); + input_sync(dev); + } else if (elo->data[1] == ELO10_ACK_PACKET) { + if (elo->data[2] == '0') + elo->expected_packet = ELO10_TOUCH_PACKET; + complete(&elo->cmd_done); + } else { + memcpy(elo->response, &elo->data[1], ELO10_PACKET_LEN); + elo->expected_packet = ELO10_ACK_PACKET; + } + break; } elo->csum += data; } @@ -123,42 +127,53 @@ static void elo_process_data_6(struct elo *elo, unsigned char data) switch (elo->idx++) { - case 0: if ((data & 0xc0) != 0xc0) elo->idx = 0; break; - case 1: if ((data & 0xc0) != 0x80) elo->idx = 0; break; - case 2: if ((data & 0xc0) != 0x40) elo->idx = 0; break; - - case 3: - if (data & 0xc0) { - elo->idx = 0; - break; - } + case 0: + if ((data & 0xc0) != 0xc0) + elo->idx = 0; + break; - input_report_abs(dev, ABS_X, ((elo->data[0] & 0x3f) << 6) | (elo->data[1] & 0x3f)); - input_report_abs(dev, ABS_Y, ((elo->data[2] & 0x3f) << 6) | (elo->data[3] & 0x3f)); + case 1: + if ((data & 0xc0) != 0x80) + elo->idx = 0; + break; - if (elo->id == 2) { - input_report_key(dev, BTN_TOUCH, 1); - input_sync(dev); - elo->idx = 0; - } + case 2: + if ((data & 0xc0) != 0x40) + elo->idx = 0; + break; + case 3: + if (data & 0xc0) { + elo->idx = 0; break; + } - case 4: - if (data) { - input_sync(dev); - elo->idx = 0; - } - break; + input_report_abs(dev, ABS_X, ((elo->data[0] & 0x3f) << 6) | (elo->data[1] & 0x3f)); + input_report_abs(dev, ABS_Y, ((elo->data[2] & 0x3f) << 6) | (elo->data[3] & 0x3f)); - case 5: - if ((data & 0xf0) == 0) { - input_report_abs(dev, ABS_PRESSURE, elo->data[5]); - input_report_key(dev, BTN_TOUCH, !!elo->data[5]); - } + if (elo->id == 2) { + input_report_key(dev, BTN_TOUCH, 1); input_sync(dev); elo->idx = 0; - break; + } + + break; + + case 4: + if (data) { + input_sync(dev); + elo->idx = 0; + } + break; + + case 5: + if ((data & 0xf0) == 0) { + input_report_abs(dev, ABS_PRESSURE, elo->data[5]); + input_report_key(dev, BTN_TOUCH, !!elo->data[5]); + } + input_sync(dev); + elo->idx = 0; + break; } } @@ -170,17 +185,17 @@ static void elo_process_data_3(struct elo *elo, unsigned char data) switch (elo->idx++) { - case 0: - if ((data & 0x7f) != 0x01) - elo->idx = 0; - break; - case 2: - input_report_key(dev, BTN_TOUCH, !(elo->data[1] & 0x80)); - input_report_abs(dev, ABS_X, elo->data[1]); - input_report_abs(dev, ABS_Y, elo->data[2]); - input_sync(dev); + case 0: + if ((data & 0x7f) != 0x01) elo->idx = 0; - break; + break; + case 2: + input_report_key(dev, BTN_TOUCH, !(elo->data[1] & 0x80)); + input_report_abs(dev, ABS_X, elo->data[1]); + input_report_abs(dev, ABS_Y, elo->data[2]); + input_sync(dev); + elo->idx = 0; + break; } } @@ -189,19 +204,19 @@ static irqreturn_t elo_interrupt(struct serio *serio, { struct elo *elo = serio_get_drvdata(serio); - switch(elo->id) { - case 0: - elo_process_data_10(elo, data); - break; - - case 1: - case 2: - elo_process_data_6(elo, data); - break; - - case 3: - elo_process_data_3(elo, data); - break; + switch (elo->id) { + case 0: + elo_process_data_10(elo, data); + break; + + case 1: + case 2: + elo_process_data_6(elo, data); + break; + + case 3: + elo_process_data_3(elo, data); + break; } return IRQ_HANDLED; @@ -261,10 +276,10 @@ static int elo_setup_10(struct elo *elo) if (packet[3] & ELO10_PRESSURE) input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0); - printk(KERN_INFO "elo: %sTouch touchscreen, fw: %02x.%02x, " - "features: 0x%02x, controller: 0x%02x\n", - elo_types[(packet[1] -'0') & 0x03], - packet[5], packet[4], packet[3], packet[7]); + dev_info(&elo->serio->dev, + "%sTouch touchscreen, fw: %02x.%02x, features: 0x%02x, controller: 0x%02x\n", + elo_types[(packet[1] -'0') & 0x03], + packet[5], packet[4], packet[3], packet[7]); return 0; } @@ -330,24 +345,24 @@ static int elo_connect(struct serio *serio, struct serio_driver *drv) switch (elo->id) { - case 0: /* 10-byte protocol */ - if (elo_setup_10(elo)) - goto fail3; + case 0: /* 10-byte protocol */ + if (elo_setup_10(elo)) + goto fail3; - break; + break; - case 1: /* 6-byte protocol */ - input_set_abs_params(input_dev, ABS_PRESSURE, 0, 15, 0, 0); + case 1: /* 6-byte protocol */ + input_set_abs_params(input_dev, ABS_PRESSURE, 0, 15, 0, 0); - case 2: /* 4-byte protocol */ - input_set_abs_params(input_dev, ABS_X, 96, 4000, 0, 0); - input_set_abs_params(input_dev, ABS_Y, 96, 4000, 0, 0); - break; + case 2: /* 4-byte protocol */ + input_set_abs_params(input_dev, ABS_X, 96, 4000, 0, 0); + input_set_abs_params(input_dev, ABS_Y, 96, 4000, 0, 0); + break; - case 3: /* 3-byte protocol */ - input_set_abs_params(input_dev, ABS_X, 0, 255, 0, 0); - input_set_abs_params(input_dev, ABS_Y, 0, 255, 0, 0); - break; + case 3: /* 3-byte protocol */ + input_set_abs_params(input_dev, ABS_X, 0, 255, 0, 0); + input_set_abs_params(input_dev, ABS_Y, 0, 255, 0, 0); + break; } err = input_register_device(elo->dev); -- cgit v1.2.3 From ce7b39a181571ed5a87f3ca62d4cffe4835c6ae9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?M=C3=A1rton=20N=C3=A9meth?= Date: Sat, 9 Jan 2010 23:23:02 -0800 Subject: Input: make i2c device ids constant MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The id_table field of the struct i2c_driver is defined as constant in so it makes sense to mark the initialization data also constant. Signed-off-by: Márton Németh Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/tsc2007.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/input/touchscreen') diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c index 7ef0d1420d3..be23780e8a3 100644 --- a/drivers/input/touchscreen/tsc2007.c +++ b/drivers/input/touchscreen/tsc2007.c @@ -358,7 +358,7 @@ static int __devexit tsc2007_remove(struct i2c_client *client) return 0; } -static struct i2c_device_id tsc2007_idtable[] = { +static const struct i2c_device_id tsc2007_idtable[] = { { "tsc2007", 0 }, { } }; -- cgit v1.2.3 From 9cb3ce52ca45d089d5be90d2f34005296fc5a34e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?M=C3=A1rton=20N=C3=A9meth?= Date: Sun, 10 Jan 2010 23:59:05 -0800 Subject: Input: make USB device ids constant MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The id_table field of the struct usb_device_id is constant in so it makes sense to mark the initialization data also constant. Signed-off-by: Márton Németh Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/usbtouchscreen.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/input/touchscreen') diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index 09a5e7341bd..b1b99e931f8 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -144,7 +144,7 @@ enum { .bInterfaceClass = USB_INTERFACE_CLASS_HID, \ .bInterfaceProtocol = USB_INTERFACE_PROTOCOL_MOUSE -static struct usb_device_id usbtouch_devices[] = { +static const struct usb_device_id usbtouch_devices[] = { #ifdef CONFIG_TOUCHSCREEN_USB_EGALAX /* ignore the HID capable devices, handled by usbhid */ {USB_DEVICE_HID_CLASS(0x0eef, 0x0001), .driver_info = DEVTYPE_IGNORE}, -- cgit v1.2.3 From dcfc32babbece923381bd3bffaf17373b5d97568 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 28 Jan 2010 22:37:39 -0800 Subject: Input: wm97xx - provide coordinate logs for accelerated I/O This aids debug of problematic systems. Signed-off-by: Mark Brown Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/mainstone-wm97xx.c | 3 +++ drivers/input/touchscreen/zylonite-wm97xx.c | 3 +++ 2 files changed, 6 insertions(+) (limited to 'drivers/input/touchscreen') diff --git a/drivers/input/touchscreen/mainstone-wm97xx.c b/drivers/input/touchscreen/mainstone-wm97xx.c index 6cdcf2a6e03..b6b8b1c7ece 100644 --- a/drivers/input/touchscreen/mainstone-wm97xx.c +++ b/drivers/input/touchscreen/mainstone-wm97xx.c @@ -153,6 +153,9 @@ static int wm97xx_acc_pen_down(struct wm97xx *wm) if (pressure) p = MODR; + dev_dbg(wm->dev, "Raw coordinates: x=%x, y=%x, p=%x\n", + x, y, p); + /* are samples valid */ if ((x & WM97XX_ADCSRC_MASK) != WM97XX_ADCSEL_X || (y & WM97XX_ADCSRC_MASK) != WM97XX_ADCSEL_Y || diff --git a/drivers/input/touchscreen/zylonite-wm97xx.c b/drivers/input/touchscreen/zylonite-wm97xx.c index eca54dbdf49..04884986764 100644 --- a/drivers/input/touchscreen/zylonite-wm97xx.c +++ b/drivers/input/touchscreen/zylonite-wm97xx.c @@ -118,6 +118,9 @@ static int wm97xx_acc_pen_down(struct wm97xx *wm) if (pressure) p = MODR; + dev_dbg(wm->dev, "Raw coordinates: x=%x, y=%x, p=%x\n", + x, y, p); + /* are samples valid */ if ((x & WM97XX_ADCSRC_MASK) != WM97XX_ADCSEL_X || (y & WM97XX_ADCSRC_MASK) != WM97XX_ADCSEL_Y || -- cgit v1.2.3 From fea4d14b69567e134e1838155a5dc857ebca70cb Mon Sep 17 00:00:00 2001 From: Ondrej Zary Date: Wed, 3 Feb 2010 23:46:48 -0800 Subject: Input: usbtouchscreen - convert from usb_device to usb_interface Convert usbtouchscreen from storing usb_device to usb_interface. This is needed for multi-interface touchscreen devices such as iNexio. Signed-off-by: Ondrej Zary Signed-off-by: Andrew Morton Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/usbtouchscreen.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) (limited to 'drivers/input/touchscreen') diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index b1b99e931f8..69be7711888 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -104,7 +104,7 @@ struct usbtouch_usb { unsigned char *buffer; int buf_len; struct urb *irq; - struct usb_device *udev; + struct usb_interface *interface; struct input_dev *input; struct usbtouch_device_info *type; char name[128]; @@ -234,8 +234,9 @@ static const struct usb_device_id usbtouch_devices[] = { static int e2i_init(struct usbtouch_usb *usbtouch) { int ret; + struct usb_device *udev = interface_to_usbdev(usbtouch->interface); - ret = usb_control_msg(usbtouch->udev, usb_rcvctrlpipe(usbtouch->udev, 0), + ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x01, 0x02, 0x0000, 0x0081, NULL, 0, USB_CTRL_SET_TIMEOUT); @@ -344,8 +345,9 @@ static int mtouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt) static int mtouch_init(struct usbtouch_usb *usbtouch) { int ret, i; + struct usb_device *udev = interface_to_usbdev(usbtouch->interface); - ret = usb_control_msg(usbtouch->udev, usb_rcvctrlpipe(usbtouch->udev, 0), + ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), MTOUCHUSB_RESET, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 1, 0, NULL, 0, USB_CTRL_SET_TIMEOUT); @@ -356,7 +358,7 @@ static int mtouch_init(struct usbtouch_usb *usbtouch) msleep(150); for (i = 0; i < 3; i++) { - ret = usb_control_msg(usbtouch->udev, usb_rcvctrlpipe(usbtouch->udev, 0), + ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), MTOUCHUSB_ASYNC_REPORT, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 1, 1, NULL, 0, USB_CTRL_SET_TIMEOUT); @@ -489,7 +491,7 @@ static int gunze_read_data(struct usbtouch_usb *dev, unsigned char *pkt) static int dmc_tsc10_init(struct usbtouch_usb *usbtouch) { - struct usb_device *dev = usbtouch->udev; + struct usb_device *dev = interface_to_usbdev(usbtouch->interface); int ret = -ENOMEM; unsigned char *buf; @@ -1021,7 +1023,7 @@ static int usbtouch_open(struct input_dev *input) { struct usbtouch_usb *usbtouch = input_get_drvdata(input); - usbtouch->irq->dev = usbtouch->udev; + usbtouch->irq->dev = interface_to_usbdev(usbtouch->interface); if (!usbtouch->type->irq_always) { if (usb_submit_urb(usbtouch->irq, GFP_KERNEL)) @@ -1094,7 +1096,7 @@ static int usbtouch_probe(struct usb_interface *intf, goto out_free_buffers; } - usbtouch->udev = udev; + usbtouch->interface = intf; usbtouch->input = input_dev; if (udev->manufacturer) @@ -1133,12 +1135,12 @@ static int usbtouch_probe(struct usb_interface *intf, input_set_abs_params(input_dev, ABS_PRESSURE, type->min_press, type->max_press, 0, 0); - usb_fill_int_urb(usbtouch->irq, usbtouch->udev, - usb_rcvintpipe(usbtouch->udev, endpoint->bEndpointAddress), + usb_fill_int_urb(usbtouch->irq, udev, + usb_rcvintpipe(udev, endpoint->bEndpointAddress), usbtouch->data, type->rept_size, usbtouch_irq, usbtouch, endpoint->bInterval); - usbtouch->irq->dev = usbtouch->udev; + usbtouch->irq->dev = udev; usbtouch->irq->transfer_dma = usbtouch->data_dma; usbtouch->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; -- cgit v1.2.3 From f4a5e359c4bafc2269766ccd74256024160ed7ac Mon Sep 17 00:00:00 2001 From: Ondrej Zary Date: Wed, 3 Feb 2010 23:54:59 -0800 Subject: Input: usbtouchscreen - find input endpoint automatically Find input enpoint automatically instead of assuming that the first one is OK. This is needed for devices with multiple endpoints such as iNexio where the first endpoint might be output. Signed-off-by: Ondrej Zary Signed-off-by: Andrew Morton Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/usbtouchscreen.c | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) (limited to 'drivers/input/touchscreen') diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index 69be7711888..a2a82351a42 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -1050,13 +1050,23 @@ static void usbtouch_free_buffers(struct usb_device *udev, kfree(usbtouch->buffer); } +static struct usb_endpoint_descriptor * +usbtouch_get_input_endpoint(struct usb_host_interface *interface) +{ + int i; + + for (i = 0; i < interface->desc.bNumEndpoints; i++) + if (usb_endpoint_dir_in(&interface->endpoint[i].desc)) + return &interface->endpoint[i].desc; + + return NULL; +} static int usbtouch_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct usbtouch_usb *usbtouch; struct input_dev *input_dev; - struct usb_host_interface *interface; struct usb_endpoint_descriptor *endpoint; struct usb_device *udev = interface_to_usbdev(intf); struct usbtouch_device_info *type; @@ -1066,8 +1076,9 @@ static int usbtouch_probe(struct usb_interface *intf, if (id->driver_info == DEVTYPE_IGNORE) return -ENODEV; - interface = intf->cur_altsetting; - endpoint = &interface->endpoint[0].desc; + endpoint = usbtouch_get_input_endpoint(intf->cur_altsetting); + if (!endpoint) + return -ENXIO; usbtouch = kzalloc(sizeof(struct usbtouch_usb), GFP_KERNEL); input_dev = input_allocate_device(); -- cgit v1.2.3 From 5197424cdcccd2b0b1922babb93969b2515c43ce Mon Sep 17 00:00:00 2001 From: Ondrej Zary Date: Thu, 4 Feb 2010 00:17:18 -0800 Subject: Input: usbtouchscreen - add NEXIO (or iNexio) support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add support for NEXIO (or iNexio) USB touchscreens to usbtouchscreen driver. Tested with NEX170MRT 17" LCD monitor with integrated touchscreen (with xserver-xorg-input-evtouch 0.8.8-1): T:  Bus=02 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 54 Spd=12  MxCh= 0 D:  Ver= 1.10 Cls=02(comm.) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1 P:  Vendor=1870 ProdID=0001 Rev= 1.00 S:  Manufacturer=iNexio S:  Product=iNexio USB C:* #Ifs= 2 Cfg#= 1 Atr=c0 MxPwr=500mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=02 Prot=00 Driver=(none) E:  Ad=83(I) Atr=03(Int.) MxPS=   8 Ivl=255ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=(none) E:  Ad=01(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms No datasheet is available, this was written by capturing some data with SniffUSB in Windows: http://www.rainbow-software.org/linux_files/nexio/ Signed-off-by: Ondrej Zary Signed-off-by: Andrew Morton Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/Kconfig | 5 + drivers/input/touchscreen/usbtouchscreen.c | 261 ++++++++++++++++++++++++++++- 2 files changed, 264 insertions(+), 2 deletions(-) (limited to 'drivers/input/touchscreen') diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index dfafc76da4f..a1e2d845f68 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -537,6 +537,11 @@ config TOUCHSCREEN_USB_ETT_TC5UH bool "ET&T TC5UH touchscreen controler support" if EMBEDDED depends on TOUCHSCREEN_USB_COMPOSITE +config TOUCHSCREEN_USB_NEXIO + default y + bool "NEXIO/iNexio device support" if EMBEDDED + depends on TOUCHSCREEN_USB_COMPOSITE + config TOUCHSCREEN_TOUCHIT213 tristate "Sahara TouchIT-213 touchscreen" select SERIO diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index a2a82351a42..07656efee65 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -15,6 +15,7 @@ * - GoTop Super_Q2/GogoPen/PenPower tablets * - JASTEC USB touch controller/DigiTech DTR-02U * - Zytronic capacitive touchscreen + * - NEXIO/iNexio * * Copyright (C) 2004-2007 by Daniel Ritz * Copyright (C) by Todd E. Johnson (mtouchusb.c) @@ -95,6 +96,7 @@ struct usbtouch_device_info { int (*read_data) (struct usbtouch_usb *usbtouch, unsigned char *pkt); int (*init) (struct usbtouch_usb *usbtouch); + void (*exit) (struct usbtouch_usb *usbtouch); }; /* a usbtouch device */ @@ -109,6 +111,7 @@ struct usbtouch_usb { struct usbtouch_device_info *type; char name[128]; char phys[64]; + void *priv; int x, y; int touch, press; @@ -133,6 +136,7 @@ enum { DEVTYPE_E2I, DEVTYPE_ZYTRONIC, DEVTYPE_TC5UH, + DEVTYPE_NEXIO, }; #define USB_DEVICE_HID_CLASS(vend, prod) \ @@ -222,6 +226,14 @@ static const struct usb_device_id usbtouch_devices[] = { {USB_DEVICE(0x0664, 0x0309), .driver_info = DEVTYPE_TC5UH}, #endif +#ifdef CONFIG_TOUCHSCREEN_USB_NEXIO + /* data interface only */ + {USB_DEVICE_AND_INTERFACE_INFO(0x10f0, 0x2002, 0x0a, 0x00, 0x00), + .driver_info = DEVTYPE_NEXIO}, + {USB_DEVICE_AND_INTERFACE_INFO(0x1870, 0x0001, 0x0a, 0x00, 0x00), + .driver_info = DEVTYPE_NEXIO}, +#endif + {} }; @@ -691,6 +703,229 @@ static int zytronic_read_data(struct usbtouch_usb *dev, unsigned char *pkt) } #endif +/***************************************************************************** + * NEXIO Part + */ +#ifdef CONFIG_TOUCHSCREEN_USB_NEXIO + +#define NEXIO_TIMEOUT 5000 +#define NEXIO_BUFSIZE 1024 +#define NEXIO_THRESHOLD 50 + +struct nexio_priv { + struct urb *ack; + unsigned char *ack_buf; +}; + +struct nexio_touch_packet { + u8 flags; /* 0xe1 = touch, 0xe1 = release */ + __be16 data_len; /* total bytes of touch data */ + __be16 x_len; /* bytes for X axis */ + __be16 y_len; /* bytes for Y axis */ + u8 data[]; +} __attribute__ ((packed)); + +static unsigned char nexio_ack_pkt[2] = { 0xaa, 0x02 }; +static unsigned char nexio_init_pkt[4] = { 0x82, 0x04, 0x0a, 0x0f }; + +static void nexio_ack_complete(struct urb *urb) +{ +} + +static int nexio_init(struct usbtouch_usb *usbtouch) +{ + struct usb_device *dev = interface_to_usbdev(usbtouch->interface); + struct usb_host_interface *interface = usbtouch->interface->cur_altsetting; + struct nexio_priv *priv; + int ret = -ENOMEM; + int actual_len, i; + unsigned char *buf; + char *firmware_ver = NULL, *device_name = NULL; + int input_ep = 0, output_ep = 0; + + /* find first input and output endpoint */ + for (i = 0; i < interface->desc.bNumEndpoints; i++) { + if (!input_ep && + usb_endpoint_dir_in(&interface->endpoint[i].desc)) + input_ep = interface->endpoint[i].desc.bEndpointAddress; + if (!output_ep && + usb_endpoint_dir_out(&interface->endpoint[i].desc)) + output_ep = interface->endpoint[i].desc.bEndpointAddress; + } + if (!input_ep || !output_ep) + return -ENXIO; + + buf = kmalloc(NEXIO_BUFSIZE, GFP_KERNEL); + if (!buf) + goto out_buf; + + /* two empty reads */ + for (i = 0; i < 2; i++) { + ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, input_ep), + buf, NEXIO_BUFSIZE, &actual_len, + NEXIO_TIMEOUT); + if (ret < 0) + goto out_buf; + } + + /* send init command */ + memcpy(buf, nexio_init_pkt, sizeof(nexio_init_pkt)); + ret = usb_bulk_msg(dev, usb_sndbulkpipe(dev, output_ep), + buf, sizeof(nexio_init_pkt), &actual_len, + NEXIO_TIMEOUT); + if (ret < 0) + goto out_buf; + + /* read replies */ + for (i = 0; i < 3; i++) { + memset(buf, 0, NEXIO_BUFSIZE); + ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, input_ep), + buf, NEXIO_BUFSIZE, &actual_len, + NEXIO_TIMEOUT); + if (ret < 0 || actual_len < 1 || buf[1] != actual_len) + continue; + switch (buf[0]) { + case 0x83: /* firmware version */ + if (!firmware_ver) + firmware_ver = kstrdup(&buf[2], GFP_KERNEL); + break; + case 0x84: /* device name */ + if (!device_name) + device_name = kstrdup(&buf[2], GFP_KERNEL); + break; + } + } + + printk(KERN_INFO "Nexio device: %s, firmware version: %s\n", + device_name, firmware_ver); + + kfree(firmware_ver); + kfree(device_name); + + /* prepare ACK URB */ + ret = -ENOMEM; + + usbtouch->priv = kmalloc(sizeof(struct nexio_priv), GFP_KERNEL); + if (!usbtouch->priv) + goto out_buf; + + priv = usbtouch->priv; + + priv->ack_buf = kmalloc(sizeof(nexio_ack_pkt), GFP_KERNEL); + if (!priv->ack_buf) + goto err_priv; + + memcpy(priv->ack_buf, nexio_ack_pkt, sizeof(nexio_ack_pkt)); + + priv->ack = usb_alloc_urb(0, GFP_KERNEL); + if (!priv->ack) { + dbg("%s - usb_alloc_urb failed: usbtouch->ack", __func__); + goto err_ack_buf; + } + + usb_fill_bulk_urb(priv->ack, dev, usb_sndbulkpipe(dev, output_ep), + priv->ack_buf, sizeof(nexio_ack_pkt), + nexio_ack_complete, usbtouch); + ret = 0; + goto out_buf; + +err_ack_buf: + kfree(priv->ack_buf); +err_priv: + kfree(priv); +out_buf: + kfree(buf); + return ret; +} + +static void nexio_exit(struct usbtouch_usb *usbtouch) +{ + struct nexio_priv *priv = usbtouch->priv; + + usb_kill_urb(priv->ack); + usb_free_urb(priv->ack); + kfree(priv->ack_buf); + kfree(priv); +} + +static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt) +{ + int x, y, begin_x, begin_y, end_x, end_y, w, h, ret; + struct nexio_touch_packet *packet = (void *) pkt; + struct nexio_priv *priv = usbtouch->priv; + + /* got touch data? */ + if ((pkt[0] & 0xe0) != 0xe0) + return 0; + + /* send ACK */ + ret = usb_submit_urb(priv->ack, GFP_ATOMIC); + + if (!usbtouch->type->max_xc) { + usbtouch->type->max_xc = 2 * be16_to_cpu(packet->x_len); + input_set_abs_params(usbtouch->input, ABS_X, 0, + 2 * be16_to_cpu(packet->x_len), 0, 0); + usbtouch->type->max_yc = 2 * be16_to_cpu(packet->y_len); + input_set_abs_params(usbtouch->input, ABS_Y, 0, + 2 * be16_to_cpu(packet->y_len), 0, 0); + } + /* + * The device reports state of IR sensors on X and Y axes. + * Each byte represents "darkness" percentage (0-100) of one element. + * 17" touchscreen reports only 64 x 52 bytes so the resolution is low. + * This also means that there's a limited multi-touch capability but + * it's disabled (and untested) here as there's no X driver for that. + */ + begin_x = end_x = begin_y = end_y = -1; + for (x = 0; x < be16_to_cpu(packet->x_len); x++) { + if (begin_x == -1 && packet->data[x] > NEXIO_THRESHOLD) { + begin_x = x; + continue; + } + if (end_x == -1 && begin_x != -1 && packet->data[x] < NEXIO_THRESHOLD) { + end_x = x - 1; + for (y = be16_to_cpu(packet->x_len); + y < be16_to_cpu(packet->data_len); y++) { + if (begin_y == -1 && packet->data[y] > NEXIO_THRESHOLD) { + begin_y = y - be16_to_cpu(packet->x_len); + continue; + } + if (end_y == -1 && + begin_y != -1 && packet->data[y] < NEXIO_THRESHOLD) { + end_y = y - 1 - be16_to_cpu(packet->x_len); + w = end_x - begin_x; + h = end_y - begin_y; +#if 0 + /* multi-touch */ + input_report_abs(usbtouch->input, + ABS_MT_TOUCH_MAJOR, max(w,h)); + input_report_abs(usbtouch->input, + ABS_MT_TOUCH_MINOR, min(x,h)); + input_report_abs(usbtouch->input, + ABS_MT_POSITION_X, 2*begin_x+w); + input_report_abs(usbtouch->input, + ABS_MT_POSITION_Y, 2*begin_y+h); + input_report_abs(usbtouch->input, + ABS_MT_ORIENTATION, w > h); + input_mt_sync(usbtouch->input); +#endif + /* single touch */ + usbtouch->x = 2 * begin_x + w; + usbtouch->y = 2 * begin_y + h; + usbtouch->touch = packet->flags & 0x01; + begin_y = end_y = -1; + return 1; + } + } + begin_x = end_x = -1; + } + + } + return 0; +} +#endif + + /***************************************************************************** * the different device descriptors */ @@ -875,6 +1110,16 @@ static struct usbtouch_device_info usbtouch_dev_info[] = { .read_data = tc5uh_read_data, }, #endif + +#ifdef CONFIG_TOUCHSCREEN_USB_NEXIO + [DEVTYPE_NEXIO] = { + .rept_size = 128, + .irq_always = true, + .read_data = nexio_read_data, + .init = nexio_init, + .exit = nexio_exit, + }, +#endif }; @@ -1000,6 +1245,7 @@ static void usbtouch_irq(struct urb *urb) case -ECONNRESET: case -ENOENT: case -ESHUTDOWN: + case -EPIPE: /* this urb is terminated, clean up */ dbg("%s - urb shutting down with status: %d", __func__, urb->status); @@ -1146,10 +1392,16 @@ static int usbtouch_probe(struct usb_interface *intf, input_set_abs_params(input_dev, ABS_PRESSURE, type->min_press, type->max_press, 0, 0); - usb_fill_int_urb(usbtouch->irq, udev, + if (usb_endpoint_type(endpoint) == USB_ENDPOINT_XFER_INT) + usb_fill_int_urb(usbtouch->irq, udev, usb_rcvintpipe(udev, endpoint->bEndpointAddress), usbtouch->data, type->rept_size, usbtouch_irq, usbtouch, endpoint->bInterval); + else + usb_fill_bulk_urb(usbtouch->irq, udev, + usb_rcvbulkpipe(udev, endpoint->bEndpointAddress), + usbtouch->data, type->rept_size, + usbtouch_irq, usbtouch); usbtouch->irq->dev = udev; usbtouch->irq->transfer_dma = usbtouch->data_dma; @@ -1167,7 +1419,7 @@ static int usbtouch_probe(struct usb_interface *intf, err = input_register_device(usbtouch->input); if (err) { dbg("%s - input_register_device failed, err: %d", __func__, err); - goto out_free_buffers; + goto out_do_exit; } usb_set_intfdata(intf, usbtouch); @@ -1177,6 +1429,9 @@ static int usbtouch_probe(struct usb_interface *intf, return 0; +out_do_exit: + if (type->exit) + type->exit(usbtouch); out_free_buffers: usbtouch_free_buffers(udev, usbtouch); out_free: @@ -1199,6 +1454,8 @@ static void usbtouch_disconnect(struct usb_interface *intf) /* this will stop IO via close */ input_unregister_device(usbtouch->input); usb_free_urb(usbtouch->irq); + if (usbtouch->type->exit) + usbtouch->type->exit(usbtouch); usbtouch_free_buffers(interface_to_usbdev(intf), usbtouch); kfree(usbtouch); } -- cgit v1.2.3 From 1e87a43080a259a0e9739377708ece163b08de8d Mon Sep 17 00:00:00 2001 From: Ondrej Zary Date: Thu, 4 Feb 2010 00:20:35 -0800 Subject: Input: usbtouchscreen - fix leaks and check return value of usb_submit_urb() Fix urb leak in error path of initialization and make sure we handle errors from initial usb_submit_urb(). Signed-off-by: Ondrej Zary Signed-off-by: Andrew Morton Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/usbtouchscreen.c | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) (limited to 'drivers/input/touchscreen') diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index 07656efee65..7a2d39abc58 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -1412,7 +1412,7 @@ static int usbtouch_probe(struct usb_interface *intf, err = type->init(usbtouch); if (err) { dbg("%s - type->init() failed, err: %d", __func__, err); - goto out_free_buffers; + goto out_free_urb; } } @@ -1424,14 +1424,25 @@ static int usbtouch_probe(struct usb_interface *intf, usb_set_intfdata(intf, usbtouch); - if (usbtouch->type->irq_always) - usb_submit_urb(usbtouch->irq, GFP_KERNEL); + if (usbtouch->type->irq_always) { + err = usb_submit_urb(usbtouch->irq, GFP_KERNEL); + if (err) { + err("%s - usb_submit_urb failed with result: %d", + __func__, err); + goto out_unregister_input; + } + } return 0; +out_unregister_input: + input_unregister_device(input_dev); + input_dev = NULL; out_do_exit: if (type->exit) type->exit(usbtouch); +out_free_urb: + usb_free_urb(usbtouch->irq); out_free_buffers: usbtouch_free_buffers(udev, usbtouch); out_free: -- cgit v1.2.3 From b63de38591605916fff5d483e0bedc65dfe3d395 Mon Sep 17 00:00:00 2001 From: Eric Miao Date: Sun, 7 Feb 2010 23:10:05 -0800 Subject: Input: schedule corgi_ssp and corgi_ts to be removed Signed-off-by: Eric Miao Acked-by: Richard Purdie Acked-by: Pavel Machek Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/Kconfig | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers/input/touchscreen') diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index a1e2d845f68..6457e060ae4 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -90,7 +90,6 @@ config TOUCHSCREEN_CORGI tristate "SharpSL (Corgi and Spitz series) touchscreen driver (DEPRECATED)" depends on PXA_SHARPSL select CORGI_SSP_DEPRECATED - default y help Say Y here to enable the driver for the touchscreen on the Sharp SL-C7xx and SL-Cxx00 series of PDAs. -- cgit v1.2.3 From 2f09586557ed9b6d50bc8bb5104e70006513bdc2 Mon Sep 17 00:00:00 2001 From: Vasily Khoruzhick Date: Fri, 19 Feb 2010 01:18:11 -0800 Subject: Input: s3c24xx_ts - re-enable IRQ on resume IRQ should be re-enabled on resume, otherwise driver stops reporting events. Signed-off-by: Vasily Khoruzhick Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/s3c2410_ts.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/input/touchscreen') diff --git a/drivers/input/touchscreen/s3c2410_ts.c b/drivers/input/touchscreen/s3c2410_ts.c index 6386b441ef8..ffc355e696d 100644 --- a/drivers/input/touchscreen/s3c2410_ts.c +++ b/drivers/input/touchscreen/s3c2410_ts.c @@ -401,6 +401,7 @@ static int s3c2410ts_resume(struct device *dev) struct s3c2410_ts_mach_info *info = pdev->dev.platform_data; clk_enable(ts.clock); + enable_irq(ts.irq_tc); /* Initialise registers */ if ((info->delay & 0xffff) > 0) -- cgit v1.2.3 From 23c239be223d7427da51656d6f196bde965d9796 Mon Sep 17 00:00:00 2001 From: Vasily Khoruzhick Date: Sat, 20 Feb 2010 01:06:20 -0800 Subject: Input: s3c24xx_ts - report touch only when stylus is down Currently driver reports touches when it gets (1 << ts.shift) samples, even if stylus is up, which is incorrect. We should only report coordinates and touch condition when stylus is down. Signed-off-by: Vasily Khoruzhick Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/s3c2410_ts.c | 30 ++++++++++++++++-------------- 1 file changed, 16 insertions(+), 14 deletions(-) (limited to 'drivers/input/touchscreen') diff --git a/drivers/input/touchscreen/s3c2410_ts.c b/drivers/input/touchscreen/s3c2410_ts.c index ffc355e696d..3755a47d053 100644 --- a/drivers/input/touchscreen/s3c2410_ts.c +++ b/drivers/input/touchscreen/s3c2410_ts.c @@ -128,27 +128,29 @@ static void touch_timer_fire(unsigned long data) down = get_down(data0, data1); - if (ts.count == (1 << ts.shift)) { - ts.xp >>= ts.shift; - ts.yp >>= ts.shift; + if (down) { + if (ts.count == (1 << ts.shift)) { + ts.xp >>= ts.shift; + ts.yp >>= ts.shift; - dev_dbg(ts.dev, "%s: X=%lu, Y=%lu, count=%d\n", - __func__, ts.xp, ts.yp, ts.count); + dev_dbg(ts.dev, "%s: X=%lu, Y=%lu, count=%d\n", + __func__, ts.xp, ts.yp, ts.count); - input_report_abs(ts.input, ABS_X, ts.xp); - input_report_abs(ts.input, ABS_Y, ts.yp); + input_report_abs(ts.input, ABS_X, ts.xp); + input_report_abs(ts.input, ABS_Y, ts.yp); - input_report_key(ts.input, BTN_TOUCH, 1); - input_sync(ts.input); + input_report_key(ts.input, BTN_TOUCH, 1); + input_sync(ts.input); - ts.xp = 0; - ts.yp = 0; - ts.count = 0; - } + ts.xp = 0; + ts.yp = 0; + ts.count = 0; + } - if (down) { s3c_adc_start(ts.client, 0, 1 << ts.shift); } else { + ts.xp = 0; + ts.yp = 0; ts.count = 0; input_report_key(ts.input, BTN_TOUCH, 0); -- cgit v1.2.3 From 91143379b01b2020d8878d627ebe9dfb9d6eb4c8 Mon Sep 17 00:00:00 2001 From: Grazvydas Ignotas Date: Thu, 25 Feb 2010 02:04:56 -0800 Subject: Input: ads7846 - add regulator support The ADS7846/TSC2046 touchscreen controllers can (and usually are) connected to various regulators for power, so add regulator support. Valid regulator will now be required, so boards without complete regulator setup should either disable regulator framework or enable CONFIG_REGULATOR_DUMMY. Signed-off-by: Grazvydas Ignotas Acked-by: Mark Brown Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/ads7846.c | 28 +++++++++++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-) (limited to 'drivers/input/touchscreen') diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index 52d2ca147d8..8b05d8e9754 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -27,6 +27,7 @@ #include #include #include +#include #include /* @@ -85,6 +86,7 @@ struct ads7846 { char name[32]; struct spi_device *spi; + struct regulator *reg; #if defined(CONFIG_HWMON) || defined(CONFIG_HWMON_MODULE) struct attribute_group *attr_group; @@ -788,6 +790,8 @@ static void ads7846_disable(struct ads7846 *ts) } } + regulator_disable(ts->reg); + /* we know the chip's in lowpower mode since we always * leave it that way after every request */ @@ -799,6 +803,8 @@ static void ads7846_enable(struct ads7846 *ts) if (!ts->disabled) return; + regulator_enable(ts->reg); + ts->disabled = 0; ts->irq_disabled = 0; enable_irq(ts->spi->irq); @@ -1139,6 +1145,19 @@ static int __devinit ads7846_probe(struct spi_device *spi) ts->last_msg = m; + ts->reg = regulator_get(&spi->dev, "vcc"); + if (IS_ERR(ts->reg)) { + dev_err(&spi->dev, "unable to get regulator: %ld\n", + PTR_ERR(ts->reg)); + goto err_free_gpio; + } + + err = regulator_enable(ts->reg); + if (err) { + dev_err(&spi->dev, "unable to enable regulator: %d\n", err); + goto err_put_regulator; + } + if (request_irq(spi->irq, ads7846_irq, IRQF_TRIGGER_FALLING, spi->dev.driver->name, ts)) { dev_info(&spi->dev, @@ -1148,7 +1167,7 @@ static int __devinit ads7846_probe(struct spi_device *spi) spi->dev.driver->name, ts); if (err) { dev_dbg(&spi->dev, "irq %d busy?\n", spi->irq); - goto err_free_gpio; + goto err_disable_regulator; } } @@ -1180,6 +1199,10 @@ static int __devinit ads7846_probe(struct spi_device *spi) ads784x_hwmon_unregister(spi, ts); err_free_irq: free_irq(spi->irq, ts); + err_disable_regulator: + regulator_disable(ts->reg); + err_put_regulator: + regulator_put(ts->reg); err_free_gpio: if (ts->gpio_pendown != -1) gpio_free(ts->gpio_pendown); @@ -1208,6 +1231,9 @@ static int __devexit ads7846_remove(struct spi_device *spi) /* suspend left the IRQ disabled */ enable_irq(ts->spi->irq); + regulator_disable(ts->reg); + regulator_put(ts->reg); + if (ts->gpio_pendown != -1) gpio_free(ts->gpio_pendown); -- cgit v1.2.3