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ALSA: compress: Replace complex if statement with switch 

A switch statement looks a bit cleaner than an if statement
spread over 3 lines, as such update this to a switch.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Charles Keepax 2016-05-04 14:59:11 +01:00 committed by Takashi Iwai
parent 1d03f2bd56
commit 875f6fffa2
1 changed files with 6 additions and 3 deletions
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9
sound/core/compress_offload.c
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@ -288,9 +288,12 @@ static ssize_t snd_compr_write(struct file *f, const char __user *buf,
stream = &data->stream;
mutex_lock(&stream->device->lock);
/* write is allowed when stream is running or has been steup */
if (stream->runtime->state != SNDRV_PCM_STATE_SETUP &&
stream->runtime->state != SNDRV_PCM_STATE_PREPARED &&
stream->runtime->state != SNDRV_PCM_STATE_RUNNING) {
switch (stream->runtime->state) {
case SNDRV_PCM_STATE_SETUP:
case SNDRV_PCM_STATE_PREPARED:
case SNDRV_PCM_STATE_RUNNING:
break;
default:
mutex_unlock(&stream->device->lock);
return -EBADFD;
}