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authorTakashi Iwai <tiwai@suse.de>2020-01-03 11:16:17 +0300
committerTakashi Iwai <tiwai@suse.de>2020-01-03 11:23:47 +0300
commitc1c3981fa16688e02f629a4805c9188679b132e9 (patch)
treeaceb724163990fa46fb97b73dd91f186001207d1 /sound/pci/nm256
parentc56fc8c9ad7a8693a9c07a39fd3081576f908fea (diff)
downloadlinux-c1c3981fa16688e02f629a4805c9188679b132e9.tar.xz
ALSA: pci: Constify snd_pcm_hardware definitions
Most of snd_pcm_hardware definitions are just copied to another object as-is, hence we can define them as const for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-2-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/nm256')
-rw-r--r--sound/pci/nm256/nm256.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/sound/pci/nm256/nm256.c b/sound/pci/nm256/nm256.c
index ac194485aa78..5da28b0adbd9 100644
--- a/sound/pci/nm256/nm256.c
+++ b/sound/pci/nm256/nm256.c
@@ -785,7 +785,7 @@ snd_nm256_capture_update(struct nm256 *chip)
/*
* hardware info
*/
-static struct snd_pcm_hardware snd_nm256_playback =
+static const struct snd_pcm_hardware snd_nm256_playback =
{
.info = SNDRV_PCM_INFO_MMAP_IOMEM |SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_INTERLEAVED |
@@ -804,7 +804,7 @@ static struct snd_pcm_hardware snd_nm256_playback =
.period_bytes_max = 128 * 1024,
};
-static struct snd_pcm_hardware snd_nm256_capture =
+static const struct snd_pcm_hardware snd_nm256_capture =
{
.info = SNDRV_PCM_INFO_MMAP_IOMEM | SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_INTERLEAVED |
@@ -838,7 +838,7 @@ static int snd_nm256_pcm_hw_params(struct snd_pcm_substream *substream,
*/
static void snd_nm256_setup_stream(struct nm256 *chip, struct nm256_stream *s,
struct snd_pcm_substream *substream,
- struct snd_pcm_hardware *hw_ptr)
+ const struct snd_pcm_hardware *hw_ptr)
{
struct snd_pcm_runtime *runtime = substream->runtime;