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ASoC: twl4030: Use snd_pcm_hw_constraint_single() 

Use the new snd_pcm_hw_constraint_single() helper function instead of
calling snd_pcm_hw_constraint_minmax() with the same value for min and max
to install a constraint that limits the possible configuration values to a
single value. Using snd_pcm_hw_constraint_single() makes the indented
result clearer and is slightly shorter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Lars-Peter Clausen 2015-10-18 15:39:23 +02:00 committed by Takashi Iwai
parent 153e2f5ca1
commit e795d83155
1 changed files with 5 additions and 8 deletions
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13
sound/soc/codecs/twl4030.c
View File

@ -1612,19 +1612,16 @@ static void twl4030_constraints(struct twl4030_priv *twl4030,
return;
/* Set the constraints according to the already configured stream */
snd_pcm_hw_constraint_minmax(slv_substream->runtime,
snd_pcm_hw_constraint_single(slv_substream->runtime,
SNDRV_PCM_HW_PARAM_RATE,
twl4030->rate,
twl4030->rate);
snd_pcm_hw_constraint_minmax(slv_substream->runtime,
snd_pcm_hw_constraint_single(slv_substream->runtime,
SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
twl4030->sample_bits,
twl4030->sample_bits);
snd_pcm_hw_constraint_minmax(slv_substream->runtime,
snd_pcm_hw_constraint_single(slv_substream->runtime,
SNDRV_PCM_HW_PARAM_CHANNELS,
twl4030->channels,
twl4030->channels);
}
@ -1669,9 +1666,9 @@ static int twl4030_startup(struct snd_pcm_substream *substream,
/* In option2 4 channel is not supported, set the
* constraint for the first stream for channels, the
* second stream will 'inherit' this cosntraint */
snd_pcm_hw_constraint_minmax(substream->runtime,
snd_pcm_hw_constraint_single(substream->runtime,
SNDRV_PCM_HW_PARAM_CHANNELS,
2, 2);
2);
}
twl4030->master_substream = substream;
}