diff options
| author | Andy Green <andy.green@linaro.org> | 2011-04-13 11:31:58 +0100 |
|---|---|---|
| committer | Andy Green <andy.green@linaro.org> | 2011-04-13 11:31:58 +0100 |
| commit | a8fbc2b20dc0f8fa606983d74499028e8189e629 (patch) | |
| tree | 570705448341bddf62e8509d4a0c4b78a1830471 | |
| parent | 8c314f19385e69dd9d43e6988b6a405fc4d5fd27 (diff) | |
alsa soc implement abe constraint test
Signed-off-by: Andy Green <andy.green@linaro.org>
| -rw-r--r-- | sound/soc/omap/omap-pcm.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c index b27d68009f6..6ca5d611224 100644 --- a/sound/soc/omap/omap-pcm.c +++ b/sound/soc/omap/omap-pcm.c @@ -280,6 +280,16 @@ static int omap_pcm_open(struct snd_pcm_substream *substream) if (ret < 0) goto out; + if (cpu_is_omap44xx()) { + /* ABE needs a step of 24 * 4 data bits, and HDMI 32 * 4 + * Ensure buffer size satisfies both constraints. + */ + ret = snd_pcm_hw_constraint_step(runtime, 0, + SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 384); + if (ret < 0) + goto out; + } + prtd = kzalloc(sizeof(*prtd), GFP_KERNEL); if (prtd == NULL) { ret = -ENOMEM; |