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author | Ananth Raghavan Subramanian <sananth@codeaurora.org> | 2018-04-04 14:28:46 -0700 |
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committer | David Ng <dave@codeaurora.org> | 2018-06-04 15:08:48 -0700 |
commit | 32e093d10dbb8a93373e8c67bc43e340de94f25f (patch) | |
tree | 383ab5d0d965b4f3358f64adb84acc1970834943 | |
parent | 7cbc5af3e94e17a67882fa488fb2959f06d49ed6 (diff) | |
download | vendor_qcom_opensource_power-32e093d10dbb8a93373e8c67bc43e340de94f25f.tar.gz vendor_qcom_opensource_power-32e093d10dbb8a93373e8c67bc43e340de94f25f.tar.bz2 vendor_qcom_opensource_power-32e093d10dbb8a93373e8c67bc43e340de94f25f.zip |
power: Notify touch of display status
PowerHAL writes to a sysfs node to inform touch when display goes on/off
Change-Id: Ia9af606ad3572d498f09d575a40c83e900a0b82a
-rw-r--r-- | Android.mk | 4 | ||||
-rw-r--r-- | power-8150.c | 94 |
2 files changed, 98 insertions, 0 deletions
@@ -70,6 +70,10 @@ ifeq ($(call is-board-platform-in-list,qcs605), true) LOCAL_SRC_FILES += power-710.c endif +ifeq ($(call is-board-platform-in-list,msmnile), true) +LOCAL_SRC_FILES += power-8150.c +endif + ifeq ($(TARGET_USES_INTERACTION_BOOST),true) LOCAL_CFLAGS += -DINTERACTION_BOOST endif diff --git a/power-8150.c b/power-8150.c new file mode 100644 index 0000000..0ca65ae --- /dev/null +++ b/power-8150.c @@ -0,0 +1,94 @@ +/* + * Copyright (c) 2018, The Linux Foundation. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * * Neither the name of The Linux Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + + +#define LOG_NIDEBUG 0 + +#include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <dlfcn.h> +#include <stdlib.h> +#include <string.h> + +#define LOG_TAG "QTI PowerHAL" +#include <utils/Log.h> +#include <hardware/hardware.h> +#include <hardware/power.h> + +#include "power-common.h" + +static int display_fd; +#define SYS_DISPLAY_PWR "/sys/kernel/hbtp/display_pwr" + +int set_interactive_override(struct power_module *module, int on) +{ + static const char *display_on = "1"; + static const char *display_off = "0"; + char err_buf[80]; + static int init_interactive_hint = 0; + static int set_i_count = 0; + int rc = 0; + + set_i_count ++; + ALOGI("Got set_interactive hint on= %d, count= %d\n", on, set_i_count); + + if (init_interactive_hint == 0) + { + //First time the display is turned off + display_fd = TEMP_FAILURE_RETRY(open(SYS_DISPLAY_PWR, O_RDWR)); + if (display_fd < 0) { + strerror_r(errno,err_buf,sizeof(err_buf)); + ALOGE("Error opening %s: %s\n", SYS_DISPLAY_PWR, err_buf); + } + else + init_interactive_hint = 1; + } + else + if (!on ) { + /* Display off. */ + rc = TEMP_FAILURE_RETRY(write(display_fd, display_off, strlen(display_off))); + if (rc < 0) { + strerror_r(errno,err_buf,sizeof(err_buf)); + ALOGE("Error writing %s to %s: %s\n", display_off, SYS_DISPLAY_PWR, err_buf); + } + } + else { + /* Display on */ + rc = TEMP_FAILURE_RETRY(write(display_fd, display_on, strlen(display_on))); + if (rc < 0) { + strerror_r(errno,err_buf,sizeof(err_buf)); + ALOGE("Error writing %s to %s: %s\n", display_on, SYS_DISPLAY_PWR, err_buf); + } + } + + return HINT_HANDLED; +} + |