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OpenCloudOS-Kernel
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ASoC: PCM_RATE: Check for KNOT and CONTINUOUS flags 

For ASoC, if either CPU or CODEC driver has set the flag, the MACHINE driver
should be given a chance to figure out if the dai, that set the flag, can
accomodate a rate that it does not explicitly specify but is specified
by the dai at the other end of the link.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Jassi Brar 2010-03-12 13:38:52 +09:00 committed by Mark Brown
parent 960b3b4b4c
commit d9ad6296ec
1 changed files with 12 additions and 0 deletions
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12
sound/soc/soc-core.c
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@ -404,6 +404,12 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
codec_dai->playback.formats & cpu_dai->playback.formats;
runtime->hw.rates =
codec_dai->playback.rates & cpu_dai->playback.rates;
if (codec_dai->playback.rates
& (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
runtime->hw.rates |= cpu_dai->playback.rates;
if (cpu_dai->playback.rates
& (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
runtime->hw.rates |= codec_dai->playback.rates;
} else {
runtime->hw.rate_min =
max(codec_dai->capture.rate_min,
@ -421,6 +427,12 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
codec_dai->capture.formats & cpu_dai->capture.formats;
runtime->hw.rates =
codec_dai->capture.rates & cpu_dai->capture.rates;
if (codec_dai->capture.rates
& (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
runtime->hw.rates |= cpu_dai->capture.rates;
if (cpu_dai->capture.rates
& (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
runtime->hw.rates |= codec_dai->capture.rates;
}
snd_pcm_limit_hw_rates(runtime);