[alsa-devel] [PATCH 1/2] ASoC: omap-abe-mmap: Make the hwrule function to be more generic
Peter Ujfalusi
peter.ujfalusi at ti.com
Wed Feb 6 16:10:08 CET 2013
Avoid using defines to get the snd_interval we are about to constrain.
rule->var holds the correct ID.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi at ti.com>
---
sound/soc/omap/omap-abe-mmap.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/sound/soc/omap/omap-abe-mmap.c b/sound/soc/omap/omap-abe-mmap.c
index 92c240b..e5654c9 100644
--- a/sound/soc/omap/omap-abe-mmap.c
+++ b/sound/soc/omap/omap-abe-mmap.c
@@ -87,18 +87,17 @@ irqreturn_t abe_irq_handler(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static int omap_abe_hwrule_period_step(struct snd_pcm_hw_params *params,
+static int omap_abe_hwrule_size_step(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
- struct snd_interval *period_size = hw_param_interval(params,
- SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
unsigned int rate = params_rate(params);
/* 44.1kHz has the same iteration number as 48kHz */
rate = (rate == 44100) ? 48000 : rate;
/* ABE requires chunks of 250us worth of data */
- return snd_interval_step(period_size, 0, rate / 4000);
+ return snd_interval_step(hw_param_interval(params, rule->var), 0,
+ rate / 4000);
}
static int aess_open(struct snd_pcm_substream *substream)
@@ -128,7 +127,7 @@ static int aess_open(struct snd_pcm_substream *substream)
*/
ret = snd_pcm_hw_rule_add(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
- omap_abe_hwrule_period_step,
+ omap_abe_hwrule_size_step,
NULL,
SNDRV_PCM_HW_PARAM_PERIOD_SIZE, -1);
break;
--
1.8.1.1
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