diff options
| author | Liam Girdwood <lg@opensource.wolfsonmicro.com> | 2008-01-10 14:36:20 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2008-01-31 17:29:50 +0100 |
| commit | 0b4d221b8d56deefca4984d01b3a010107ae1f72 (patch) | |
| tree | fb4d9923416fedeee04632eac5a8ee760bf37f0e /sound | |
| parent | 7570f29a545c7fdf29e913860320e0c09e60e45b (diff) | |
| download | linux-stable-0b4d221b8d56deefca4984d01b3a010107ae1f72.tar.gz linux-stable-0b4d221b8d56deefca4984d01b3a010107ae1f72.tar.bz2 linux-stable-0b4d221b8d56deefca4984d01b3a010107ae1f72.zip | |
[ALSA] soc - Add device level DAPM event
Added a device level dapm event so that both the machine and codec are informed
when dapm events occur.
Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/soc-core.c | 23 | ||||
| -rw-r--r-- | sound/soc/soc-dapm.c | 23 |
2 files changed, 34 insertions, 12 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 94075256638c..bd656db347ee 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -288,15 +288,16 @@ static void close_delayed_work(struct work_struct *work) if (codec_dai->pop_wait == 1) { codec_dai->pop_wait = 0; - snd_soc_dapm_stream_event(codec, codec_dai->playback.stream_name, + snd_soc_dapm_stream_event(codec, + codec_dai->playback.stream_name, SND_SOC_DAPM_STREAM_STOP); /* power down the codec power domain if no longer active */ if (codec->active == 0) { dbg("pop wq D3 %s %s\n", codec->name, codec_dai->playback.stream_name); - if (codec->dapm_event) - codec->dapm_event(codec, SNDRV_CTL_POWER_D3hot); + snd_soc_dapm_device_event(socdev, + SNDRV_CTL_POWER_D3hot); } } } @@ -352,12 +353,12 @@ static int soc_codec_close(struct snd_pcm_substream *substream) } else { /* capture streams can be powered down now */ snd_soc_dapm_stream_event(codec, - codec_dai->capture.stream_name, SND_SOC_DAPM_STREAM_STOP); + codec_dai->capture.stream_name, + SND_SOC_DAPM_STREAM_STOP); - if (codec->active == 0 && codec_dai->pop_wait == 0){ - if (codec->dapm_event) - codec->dapm_event(codec, SNDRV_CTL_POWER_D3hot); - } + if (codec->active == 0 && codec_dai->pop_wait == 0) + snd_soc_dapm_device_event(socdev, + SNDRV_CTL_POWER_D3hot); } mutex_unlock(&pcm_mutex); @@ -432,8 +433,7 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream) /* no delayed work - do we need to power up codec */ if (codec->dapm_state != SNDRV_CTL_POWER_D0) { - if (codec->dapm_event) - codec->dapm_event(codec, SNDRV_CTL_POWER_D1); + snd_soc_dapm_device_event(socdev, SNDRV_CTL_POWER_D1); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) snd_soc_dapm_stream_event(codec, @@ -444,8 +444,7 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream) codec_dai->capture.stream_name, SND_SOC_DAPM_STREAM_START); - if (codec->dapm_event) - codec->dapm_event(codec, SNDRV_CTL_POWER_D0); + snd_soc_dapm_device_event(socdev, SNDRV_CTL_POWER_D0); if (codec_dai->dai_ops.digital_mute) codec_dai->dai_ops.digital_mute(codec_dai, 0); diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 3b8f94af7e27..16ebb60ed3d4 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -1279,6 +1279,29 @@ int snd_soc_dapm_stream_event(struct snd_soc_codec *codec, EXPORT_SYMBOL_GPL(snd_soc_dapm_stream_event); /** + * snd_soc_dapm_device_event - send a device event to the dapm core + * @socdev: audio device + * @event: device event + * + * Sends a device event to the dapm core. The core then makes any + * necessary machine or codec power changes.. + * + * Returns 0 for success else error. + */ +int snd_soc_dapm_device_event(struct snd_soc_device *socdev, int event) +{ + struct snd_soc_codec *codec = socdev->codec; + struct snd_soc_machine *machine = socdev->machine; + + if (machine->dapm_event) + machine->dapm_event(machine, event); + if (codec->dapm_event) + codec->dapm_event(codec, event); + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_dapm_device_event); + +/** * snd_soc_dapm_set_endpoint - set audio endpoint status * @codec: audio codec * @endpoint: audio signal endpoint (or start point) |