AcoSail/kernel_optimize_test
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ASoC: Blackfin I2S: use dai state rather than local counter

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Since the active field of the dai already tells us the stream activity,
the local counter variable is redundant and can be replaced.

Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Barry Song 2009-09-23 11:51:04 -04:00 committed by Mark Brown
parent e0274b0a30
commit 766df6d98f
1 changed files with 1 additions and 14 deletions
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15
sound/soc/blackfin/bf5xx-i2s.c
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@ -49,7 +49,6 @@ struct bf5xx_i2s_port {
u16 rcr1;
u16 tcr2;
u16 rcr2;
int counter;
int configured;
};
@ -133,16 +132,6 @@ static int bf5xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai,
return ret;
}
static int bf5xx_i2s_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
pr_debug("%s enter\n", __func__);
/*this counter is used for counting how many pcm streams are opened*/
bf5xx_i2s.counter++;
return 0;
}
static int bf5xx_i2s_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
@ -201,9 +190,8 @@ static void bf5xx_i2s_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
pr_debug("%s enter\n", __func__);
bf5xx_i2s.counter--;
/* No active stream, SPORT is allowed to be configured again. */
if (!bf5xx_i2s.counter)
if (!dai->active)
bf5xx_i2s.configured = 0;
}
@ -284,7 +272,6 @@ static int bf5xx_i2s_resume(struct snd_soc_dai *dai)
SNDRV_PCM_FMTBIT_S32_LE)
static struct snd_soc_dai_ops bf5xx_i2s_dai_ops = {
.startup = bf5xx_i2s_startup,
.shutdown = bf5xx_i2s_shutdown,
.hw_params = bf5xx_i2s_hw_params,
.set_fmt = bf5xx_i2s_set_dai_fmt,