[PATCH 2/2] ASoC: omap-abe-mmap: Place constraint to buffer size as well

[Peter Ujfalusi <peter.ujfalusi@ti.com>]

In this we can make sure that applications will figure out the correct
combination of period size and buffer size.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
 sound/soc/omap/omap-abe-mmap.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/sound/soc/omap/omap-abe-mmap.c b/sound/soc/omap/omap-abe-mmap.c
index e5654c9..0aea7ec 100644
--- a/sound/soc/omap/omap-abe-mmap.c
+++ b/sound/soc/omap/omap-abe-mmap.c
@@ -122,7 +122,7 @@ static int aess_open(struct snd_pcm_substream *substream)
 		break;
 	default:
 		/*
-		 * Period size must be aligned with the Audio Engine
+		 * Period and buffer size must be aligned with the Audio Engine
 		 * processing loop which is 250 us long
 		 */
 		ret = snd_pcm_hw_rule_add(substream->runtime, 0,
@@ -130,6 +130,11 @@ static int aess_open(struct snd_pcm_substream *substream)
 					omap_abe_hwrule_size_step,
 					NULL,
 					SNDRV_PCM_HW_PARAM_PERIOD_SIZE, -1);
+		ret = snd_pcm_hw_rule_add(substream->runtime, 0,
+					SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
+					omap_abe_hwrule_size_step,
+					NULL,
+					SNDRV_PCM_HW_PARAM_BUFFER_SIZE, -1);
 		break;
 	}
 
-- 
1.8.1.1