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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-25 08:32:05 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-25 08:32:05 -0700 |
commit | 33081adf8b89d5a716d7e1c60171768d39795b39 (patch) | |
tree | 275de58bbbb5f7ddffcdc087844cfc7fbe4315be /sound/soc/codecs/cx20442.c | |
parent | c55960499f810357a29659b32d6ea594abee9237 (diff) | |
parent | 506ecbca71d07fa327dd986be1682e90885678ee (diff) | |
download | kernel_samsung_smdk4412-33081adf8b89d5a716d7e1c60171768d39795b39.tar.gz kernel_samsung_smdk4412-33081adf8b89d5a716d7e1c60171768d39795b39.tar.bz2 kernel_samsung_smdk4412-33081adf8b89d5a716d7e1c60171768d39795b39.zip |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (365 commits)
ALSA: hda - Disable sticky PCM stream assignment for AD codecs
ALSA: usb - Creative USB X-Fi volume knob support
ALSA: ca0106: Use card specific dac id for mute controls.
ALSA: ca0106: Allow different sound cards to use different SPI channel mappings.
ALSA: ca0106: Create a nice spot for mapping channels to dacs.
ALSA: ca0106: Move enabling of front dac out of hardcoded setup sequence.
ALSA: ca0106: Pull out dac powering routine into separate function.
ALSA: ca0106 - add Sound Blaster 5.1vx info.
ASoC: tlv320dac33: Use usleep_range for delays
ALSA: usb-audio: add Novation Launchpad support
ALSA: hda - Add workarounds for CT-IBG controllers
ALSA: hda - Fix wrong TLV mute bit for STAC/IDT codecs
ASoC: tpa6130a2: Error handling for broken chip
ASoC: max98088: Staticise m98088_eq_band
ASoC: soc-core: Fix codec->name memory leak
ALSA: hda - Apply ideapad quirk to Acer laptops with Cxt5066
ALSA: hda - Add some workarounds for Creative IBG
ALSA: hda - Fix wrong SPDIF NID assignment for CA0110
ALSA: hda - Fix codec rename rules for ALC662-compatible codecs
ALSA: hda - Add alc_init_jacks() call to other codecs
...
Diffstat (limited to 'sound/soc/codecs/cx20442.c')
-rw-r--r-- | sound/soc/codecs/cx20442.c | 173 |
1 files changed, 49 insertions, 124 deletions
diff --git a/sound/soc/codecs/cx20442.c b/sound/soc/codecs/cx20442.c index f07a415c753..e8d27c8f9ba 100644 --- a/sound/soc/codecs/cx20442.c +++ b/sound/soc/codecs/cx20442.c @@ -24,7 +24,8 @@ struct cx20442_priv { - struct snd_soc_codec codec; + enum snd_soc_control_type control_type; + void *control_data; u8 reg_cache[1]; }; @@ -102,7 +103,7 @@ static unsigned int cx20442_read_reg_cache(struct snd_soc_codec *codec, { u8 *reg_cache = codec->reg_cache; - if (reg >= codec->reg_cache_size) + if (reg >= codec->driver->reg_cache_size) return -EINVAL; return reg_cache[reg]; @@ -164,16 +165,17 @@ static int cx20442_pm_to_v253_vsp(u8 value) static int cx20442_write(struct snd_soc_codec *codec, unsigned int reg, unsigned int value) { + struct cx20442_priv *cx20442 = snd_soc_codec_get_drvdata(codec); u8 *reg_cache = codec->reg_cache; int vls, vsp, old, len; char buf[18]; - if (reg >= codec->reg_cache_size) + if (reg >= codec->driver->reg_cache_size) return -EINVAL; /* hw_write and control_data pointers required for talking to the modem * are expected to be set by the line discipline initialization code */ - if (!codec->hw_write || !codec->control_data) + if (!codec->hw_write || !cx20442->control_data) return -EIO; old = reg_cache[reg]; @@ -202,17 +204,13 @@ static int cx20442_write(struct snd_soc_codec *codec, unsigned int reg, return -ENOMEM; dev_dbg(codec->dev, "%s: %s\n", __func__, buf); - if (codec->hw_write(codec->control_data, buf, len) != len) + if (codec->hw_write(cx20442->control_data, buf, len) != len) return -EIO; return 0; } -/* Moved up here as line discipline referres it during initialization */ -static struct snd_soc_codec *cx20442_codec; - - /* * Line discpline related code * @@ -228,15 +226,15 @@ static const char *v253_init = "ate0m0q0+fclass=8\r"; /* Line discipline .open() */ static int v253_open(struct tty_struct *tty) { - struct snd_soc_codec *codec = cx20442_codec; int ret, len = strlen(v253_init); /* Doesn't make sense without write callback */ if (!tty->ops->write) return -EINVAL; - /* Pass the codec structure address for use by other ldisc callbacks */ - tty->disc_data = codec; + /* Won't work if no codec pointer has been passed by a card driver */ + if (!tty->disc_data) + return -ENODEV; if (tty->ops->write(tty, v253_init, len) != len) { ret = -EIO; @@ -253,15 +251,18 @@ err: static void v253_close(struct tty_struct *tty) { struct snd_soc_codec *codec = tty->disc_data; + struct cx20442_priv *cx20442; tty->disc_data = NULL; if (!codec) return; + cx20442 = snd_soc_codec_get_drvdata(codec); + /* Prevent the codec driver from further accessing the modem */ codec->hw_write = NULL; - codec->control_data = NULL; + cx20442->control_data = NULL; codec->pop_time = 0; } @@ -277,15 +278,18 @@ static void v253_receive(struct tty_struct *tty, const unsigned char *cp, char *fp, int count) { struct snd_soc_codec *codec = tty->disc_data; + struct cx20442_priv *cx20442; if (!codec) return; - if (!codec->control_data) { + cx20442 = snd_soc_codec_get_drvdata(codec); + + if (!cx20442->control_data) { /* First modem response, complete setup procedure */ /* Set up codec driver access to modem controls */ - codec->control_data = tty; + cx20442->control_data = tty; codec->hw_write = (hw_write_t)tty->ops->write; codec->pop_time = 1; } @@ -313,8 +317,8 @@ EXPORT_SYMBOL_GPL(v253_ops); * Codec DAI */ -struct snd_soc_dai cx20442_dai = { - .name = "CX20442", +static struct snd_soc_dai_driver cx20442_dai = { + .name = "cx20442-voice", .playback = { .stream_name = "Playback", .channels_min = 1, @@ -330,142 +334,63 @@ struct snd_soc_dai cx20442_dai = { .formats = SNDRV_PCM_FMTBIT_S16_LE, }, }; -EXPORT_SYMBOL_GPL(cx20442_dai); -static int cx20442_codec_probe(struct platform_device *pdev) +static int cx20442_codec_probe(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec; - int ret; - - if (!cx20442_codec) { - dev_err(&pdev->dev, "cx20442 not yet discovered\n"); - return -ENODEV; - } - codec = cx20442_codec; - - socdev->card->codec = codec; + struct cx20442_priv *cx20442; - /* register pcms */ - ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); - if (ret < 0) { - dev_err(&pdev->dev, "failed to create pcms\n"); - goto pcm_err; - } + cx20442 = kzalloc(sizeof(struct cx20442_priv), GFP_KERNEL); + if (cx20442 == NULL) + return -ENOMEM; + snd_soc_codec_set_drvdata(codec, cx20442); cx20442_add_widgets(codec); -pcm_err: - return ret; + cx20442->control_data = NULL; + codec->hw_write = NULL; + codec->pop_time = 0; + + return 0; } /* power down chip */ -static int cx20442_codec_remove(struct platform_device *pdev) +static int cx20442_codec_remove(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct cx20442_priv *cx20442 = snd_soc_codec_get_drvdata(codec); - snd_soc_free_pcms(socdev); - snd_soc_dapm_free(socdev); + if (cx20442->control_data) { + struct tty_struct *tty = cx20442->control_data; + tty_hangup(tty); + } + kfree(cx20442); return 0; } -struct snd_soc_codec_device cx20442_codec_dev = { +static struct snd_soc_codec_driver cx20442_codec_dev = { .probe = cx20442_codec_probe, .remove = cx20442_codec_remove, + .reg_cache_size = 1, + .reg_word_size = sizeof(u8), + .read = cx20442_read_reg_cache, + .write = cx20442_write, }; -EXPORT_SYMBOL_GPL(cx20442_codec_dev); - -static int cx20442_register(struct cx20442_priv *cx20442) -{ - struct snd_soc_codec *codec = &cx20442->codec; - int ret; - - mutex_init(&codec->mutex); - INIT_LIST_HEAD(&codec->dapm_widgets); - INIT_LIST_HEAD(&codec->dapm_paths); - - codec->name = "CX20442"; - codec->owner = THIS_MODULE; - snd_soc_codec_set_drvdata(codec, cx20442); - - codec->dai = &cx20442_dai; - codec->num_dai = 1; - - codec->reg_cache = &cx20442->reg_cache; - codec->reg_cache_size = ARRAY_SIZE(cx20442->reg_cache); - codec->read = cx20442_read_reg_cache; - codec->write = cx20442_write; - - codec->bias_level = SND_SOC_BIAS_OFF; - - cx20442_dai.dev = codec->dev; - - cx20442_codec = codec; - - ret = snd_soc_register_codec(codec); - if (ret != 0) { - dev_err(codec->dev, "Failed to register codec: %d\n", ret); - goto err; - } - - ret = snd_soc_register_dai(&cx20442_dai); - if (ret != 0) { - dev_err(codec->dev, "Failed to register DAI: %d\n", ret); - goto err_codec; - } - - return 0; - -err_codec: - snd_soc_unregister_codec(codec); -err: - cx20442_codec = NULL; - kfree(cx20442); - return ret; -} - -static void cx20442_unregister(struct cx20442_priv *cx20442) -{ - snd_soc_unregister_dai(&cx20442_dai); - snd_soc_unregister_codec(&cx20442->codec); - - cx20442_codec = NULL; - kfree(cx20442); -} static int cx20442_platform_probe(struct platform_device *pdev) { - struct cx20442_priv *cx20442; - struct snd_soc_codec *codec; - - cx20442 = kzalloc(sizeof(struct cx20442_priv), GFP_KERNEL); - if (cx20442 == NULL) - return -ENOMEM; - - codec = &cx20442->codec; - - codec->control_data = NULL; - codec->hw_write = NULL; - codec->pop_time = 0; - - codec->dev = &pdev->dev; - platform_set_drvdata(pdev, cx20442); - - return cx20442_register(cx20442); + return snd_soc_register_codec(&pdev->dev, + &cx20442_codec_dev, &cx20442_dai, 1); } static int __exit cx20442_platform_remove(struct platform_device *pdev) { - struct cx20442_priv *cx20442 = platform_get_drvdata(pdev); - - cx20442_unregister(cx20442); + snd_soc_unregister_codec(&pdev->dev); return 0; } static struct platform_driver cx20442_platform_driver = { .driver = { - .name = "cx20442", + .name = "cx20442-codec", .owner = THIS_MODULE, }, .probe = cx20442_platform_probe, @@ -487,4 +412,4 @@ module_exit(cx20442_exit); MODULE_DESCRIPTION("ASoC CX20442-11 voice modem codec driver"); MODULE_AUTHOR("Janusz Krzysztofik"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:cx20442"); +MODULE_ALIAS("platform:cx20442-codec"); |