[alsa-devel] [PATCH 1/3] ASoC: soc-compress: Add missing brackets around else

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[alsa-devel] [PATCH Resend 0/4]...

Charles Keepax

24 Jan 2013 24 Jan '13

11:44 a.m.

Signed-off-by: Charles Keepax ckeepax@opensource.wolfsonmicro.com --- sound/soc/soc-compress.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c index 5fbfb06..80040f0 100644 --- a/sound/soc/soc-compress.c +++ b/sound/soc/soc-compress.c @@ -112,10 +112,11 @@ static int soc_compr_free(struct snd_compr_stream *cstream) snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK, SND_SOC_DAPM_STREAM_STOP); - } else + } else { rtd->pop_wait = 1; schedule_delayed_work(&rtd->delayed_work, msecs_to_jiffies(rtd->pmdown_time)); + } } else { /* capture streams can be powered down now */ snd_soc_dapm_stream_event(rtd,

-- 1.7.2.5

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Charles Keepax

24 Jan 24 Jan

11:44 a.m.

New subject: [alsa-devel] [PATCH 2/3] ASoC: soc-compress: Serialise compressed ops

Use the pcm_mutex to serialise the compressed ops.

Signed-off-by: Charles Keepax ckeepax@opensource.wolfsonmicro.com --- sound/soc/soc-compress.c | 37 ++++++++++++++++++++++++++++++++++--- 1 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c index 80040f0..c48db63 100644 --- a/sound/soc/soc-compress.c +++ b/sound/soc/soc-compress.c @@ -33,6 +33,8 @@ static int soc_compr_open(struct snd_compr_stream *cstream) struct snd_soc_dai *codec_dai = rtd->codec_dai; int ret = 0;

+ mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + if (platform->driver->compr_ops && platform->driver->compr_ops->open) { ret = platform->driver->compr_ops->open(cstream); if (ret < 0) { @@ -61,12 +63,15 @@ static int soc_compr_open(struct snd_compr_stream *cstream) codec_dai->active++; rtd->codec->active++;

+ mutex_unlock(&rtd->pcm_mutex); + return 0;

machine_err: if (platform->driver->compr_ops && platform->driver->compr_ops->free) platform->driver->compr_ops->free(cstream); out: + mutex_unlock(&rtd->pcm_mutex); return ret; }

@@ -78,6 +83,8 @@ static int soc_compr_free(struct snd_compr_stream *cstream) struct snd_soc_dai *codec_dai = rtd->codec_dai; struct snd_soc_codec *codec = rtd->codec;

+ mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + if (cstream->direction == SND_COMPRESS_PLAYBACK) { cpu_dai->playback_active--; codec_dai->playback_active--; @@ -124,6 +131,7 @@ static int soc_compr_free(struct snd_compr_stream *cstream) SND_SOC_DAPM_STREAM_STOP); }

+ mutex_unlock(&rtd->pcm_mutex); return 0; }

@@ -135,10 +143,12 @@ static int soc_compr_trigger(struct snd_compr_stream *cstream, int cmd) struct snd_soc_dai *codec_dai = rtd->codec_dai; int ret = 0;

+ mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + if (platform->driver->compr_ops && platform->driver->compr_ops->trigger) { ret = platform->driver->compr_ops->trigger(cstream, cmd); if (ret < 0) - return ret; + goto out; }

if (cmd == SNDRV_PCM_TRIGGER_START) @@ -146,6 +156,8 @@ static int soc_compr_trigger(struct snd_compr_stream *cstream, int cmd) else if (cmd == SNDRV_PCM_TRIGGER_STOP) snd_soc_dai_digital_mute(codec_dai, 1);

+out: + mutex_unlock(&rtd->pcm_mutex); return ret; }

@@ -156,6 +168,8 @@ static int soc_compr_set_params(struct snd_compr_stream *cstream, struct snd_soc_platform *platform = rtd->platform; int ret = 0;

+ mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + /* first we call set_params for the platform driver * this should configure the soc side * if the machine has compressed ops then we call that as well @@ -165,18 +179,20 @@ static int soc_compr_set_params(struct snd_compr_stream *cstream, if (platform->driver->compr_ops && platform->driver->compr_ops->set_params) { ret = platform->driver->compr_ops->set_params(cstream, params); if (ret < 0) - return ret; + goto out; }

if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->set_params) { ret = rtd->dai_link->compr_ops->set_params(cstream); if (ret < 0) - return ret; + goto out; }

snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK, SND_SOC_DAPM_STREAM_START);

+out: + mutex_unlock(&rtd->pcm_mutex); return ret; }

@@ -187,9 +203,12 @@ static int soc_compr_get_params(struct snd_compr_stream *cstream, struct snd_soc_platform *platform = rtd->platform; int ret = 0;

+ mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + if (platform->driver->compr_ops && platform->driver->compr_ops->get_params) ret = platform->driver->compr_ops->get_params(cstream, params);

+ mutex_unlock(&rtd->pcm_mutex); return ret; }

@@ -200,9 +219,12 @@ static int soc_compr_get_caps(struct snd_compr_stream *cstream, struct snd_soc_platform *platform = rtd->platform; int ret = 0;

+ mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + if (platform->driver->compr_ops && platform->driver->compr_ops->get_caps) ret = platform->driver->compr_ops->get_caps(cstream, caps);

+ mutex_unlock(&rtd->pcm_mutex); return ret; }

@@ -213,9 +235,12 @@ static int soc_compr_get_codec_caps(struct snd_compr_stream *cstream, struct snd_soc_platform *platform = rtd->platform; int ret = 0;

+ mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + if (platform->driver->compr_ops && platform->driver->compr_ops->get_codec_caps) ret = platform->driver->compr_ops->get_codec_caps(cstream, codec);

+ mutex_unlock(&rtd->pcm_mutex); return ret; }

@@ -225,9 +250,12 @@ static int soc_compr_ack(struct snd_compr_stream *cstream, size_t bytes) struct snd_soc_platform *platform = rtd->platform; int ret = 0;

+ mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + if (platform->driver->compr_ops && platform->driver->compr_ops->ack) ret = platform->driver->compr_ops->ack(cstream, bytes);

+ mutex_unlock(&rtd->pcm_mutex); return ret; }

@@ -237,9 +265,12 @@ static int soc_compr_pointer(struct snd_compr_stream *cstream, struct snd_soc_pcm_runtime *rtd = cstream->private_data; struct snd_soc_platform *platform = rtd->platform;

+ mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + if (platform->driver->compr_ops && platform->driver->compr_ops->pointer) platform->driver->compr_ops->pointer(cstream, tstamp);

+ mutex_unlock(&rtd->pcm_mutex); return 0; }

-- 1.7.2.5

Charles Keepax

11:44 a.m.

New subject: [alsa-devel] [PATCH 3/3] ASoC: soc-compress: Initialise delayed work to power down audio

Delayed work was scheduled but not initialised, this patch adds the actual work and initialises it.

Signed-off-by: Charles Keepax ckeepax@opensource.wolfsonmicro.com --- sound/soc/soc-compress.c | 31 +++++++++++++++++++++++++++++++ 1 files changed, 31 insertions(+), 0 deletions(-)

diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c index c48db63..3ea7956 100644 --- a/sound/soc/soc-compress.c +++ b/sound/soc/soc-compress.c @@ -75,6 +75,34 @@ out: return ret; }

+/* + * Power down the audio subsystem pmdown_time msecs after close is called. + * This is to ensure there are no pops or clicks in between any music tracks + * due to DAPM power cycling. + */ +static void close_delayed_work(struct work_struct *work) +{ + struct snd_soc_pcm_runtime *rtd = + container_of(work, struct snd_soc_pcm_runtime, delayed_work.work); + struct snd_soc_dai *codec_dai = rtd->codec_dai; + + mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); + + dev_dbg(rtd->dev, "ASoC: pop wq checking: %s status: %s waiting: %s\n", + codec_dai->driver->playback.stream_name, + codec_dai->playback_active ? "active" : "inactive", + rtd->pop_wait ? "yes" : "no"); + + /* are we waiting on this codec DAI stream */ + if (rtd->pop_wait == 1) { + rtd->pop_wait = 0; + snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK, + SND_SOC_DAPM_STREAM_STOP); + } + + mutex_unlock(&rtd->pcm_mutex); +} + static int soc_compr_free(struct snd_compr_stream *cstream) { struct snd_soc_pcm_runtime *rtd = cstream->private_data; @@ -317,6 +345,9 @@ int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) return ret; }

+ /* DAPM dai link stream work */ + INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work); + rtd->compr = compr; compr->private_data = rtd;

-- 1.7.2.5

Vinod Koul

12:17 p.m.

New subject: [alsa-devel] [PATCH 1/3] ASoC: soc-compress: Add missing brackets around else

On Thu, 2013-01-24 at 09:44 +0000, Charles Keepax wrote:

...

Signed-off-by: Charles Keepax ckeepax@opensource.wolfsonmicro.com

sound/soc/soc-compress.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c index 5fbfb06..80040f0 100644 --- a/sound/soc/soc-compress.c +++ b/sound/soc/soc-compress.c @@ -112,10 +112,11 @@ static int soc_compr_free(struct snd_compr_stream *cstream) snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK, SND_SOC_DAPM_STREAM_STOP);
} else
} else {
rtd->pop_wait = 1;
schedule_delayed_work(&rtd->delayed_work,
	msecs_to_jiffies(rtd->pmdown_time));
}
} else { /* capture streams can be powered down now */ snd_soc_dapm_stream_event(rtd,

All three: Acked-by: Vinod Koul vinod.koul@intel.com Tested-by: Jeeja KP jeeja.kp@intel.com

We had the similar fixes on our BSP, I have one more, will send shortly

Thanks

-- ~Vinod

Mark Brown

12:54 p.m.

New subject: [alsa-devel] [PATCH 1/3] ASoC: soc-compress: Add missing brackets around else

On Thu, Jan 24, 2013 at 09:44:28AM +0000, Charles Keepax wrote:

...

Signed-off-by: Charles Keepax ckeepax@opensource.wolfsonmicro.com

Applied, thanks.

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Charles Keepax
Mark Brown
Vinod Koul