openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

ALSA: pcm: Simplify params_period_bytes() 

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/sound/pcm_params.h
View File

@ -363,9 +363,7 @@ params_subformat(const struct snd_pcm_hw_params *p)
static inline unsigned int
params_period_bytes(const struct snd_pcm_hw_params *p)
{
return (params_period_size(p) *
snd_pcm_format_physical_width(params_format(p)) *
params_channels(p)) / 8;
return hw_param_interval_c(p, SNDRV_PCM_HW_PARAM_PERIOD_BYTES)->min;
}
/**