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ALSA: pcm: Simplify params_period_bytes()

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The hw_params struct has a parameter that contains the period size in bytes.
This can be used instead of deriving the value from other parameters. This
is similar to e.g. params_buffer_bytes()

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Lars-Peter Clausen
2014-12-29 19:41:43 +01:00
committed by Takashi Iwai
parent 89827ca9dd
commit cd9978f1d3
1 changed files with 1 additions and 3 deletions
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4
include/sound/pcm_params.h
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@@ -363,9 +363,7 @@ params_subformat(const struct snd_pcm_hw_params *p)
static inline unsigned int static inline unsigned int
params_period_bytes(const struct snd_pcm_hw_params *p) params_period_bytes(const struct snd_pcm_hw_params *p)
{ {
return (params_period_size(p) * return hw_param_interval_c(p, SNDRV_PCM_HW_PARAM_PERIOD_BYTES)->min;
snd_pcm_format_physical_width(params_format(p)) *
params_channels(p)) / 8;
} }
/** /**