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>

diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index f56f4e358b76af67be38f24331de0d50eeef5810..9b3334be9df23c8f48a8768ee8b723318252873f 100644 (file)
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -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;
        }