diff options
| author | Jorge Eduardo Candelaria <jorge.candelaria@ti.com> | 2010-07-25 15:52:51 +0100 |
|---|---|---|
| committer | Ricardo Perez Olivares <x0081762@ti.com> | 2010-09-14 19:27:12 -0500 |
| commit | e66d0041fcaba1ed8c306fb6bfd8efe03616bd18 (patch) | |
| tree | 0ca34df5bcfaab4be4398e4c2730ae20f5a2efee /sound/soc/omap/omap-pcm.c | |
| parent | 491ed390623ac3d6bd68d57dc1bf94d6f0fad6d2 (diff) | |
ASoC: OMAP PCM - Add hardware constraint for HDMI and ABE
The ABE needs a step size of 24 * 4, whilst HDMI requires a
step size of 32 * 4 bits.
Signed-off-by: Margarita Olaya Cabrera <magi.olaya@ti.com>
Diffstat (limited to 'sound/soc/omap/omap-pcm.c')
| -rw-r--r-- | sound/soc/omap/omap-pcm.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c index 8caeb8d305c3..6f362e5d4969 100644 --- a/sound/soc/omap/omap-pcm.c +++ b/sound/soc/omap/omap-pcm.c @@ -280,6 +280,14 @@ static int omap_pcm_open(struct snd_pcm_substream *substream) if (ret < 0) goto out; + /* 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; |