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authorTakashi Iwai <tiwai@suse.de>2020-01-03 09:16:17 +0100
committerTakashi Iwai <tiwai@suse.de>2020-01-03 09:23:47 +0100
commitc1c3981fa16688e02f629a4805c9188679b132e9 (patch)
treeaceb724163990fa46fb97b73dd91f186001207d1 /sound/pci/ali5451
parentALSA: hda: constify copied structure (diff)
downloadlinux-c1c3981fa16688e02f629a4805c9188679b132e9.tar.xz
linux-c1c3981fa16688e02f629a4805c9188679b132e9.zip
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/ali5451')
-rw-r--r--sound/pci/ali5451/ali5451.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
index 9f78cf9e0b47..434077527b95 100644
--- a/sound/pci/ali5451/ali5451.c
+++ b/sound/pci/ali5451/ali5451.c
@@ -1400,7 +1400,7 @@ static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream)
return cso;
}
-static struct snd_pcm_hardware snd_ali_playback =
+static const struct snd_pcm_hardware snd_ali_playback =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -1426,7 +1426,7 @@ static struct snd_pcm_hardware snd_ali_playback =
* Capture support device description
*/
-static struct snd_pcm_hardware snd_ali_capture =
+static const struct snd_pcm_hardware snd_ali_capture =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -1457,7 +1457,7 @@ static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime)
}
static int snd_ali_open(struct snd_pcm_substream *substream, int rec,
- int channel, struct snd_pcm_hardware *phw)
+ int channel, const struct snd_pcm_hardware *phw)
{
struct snd_ali *codec = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
@@ -1537,7 +1537,7 @@ static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream,
return 0;
}
-static struct snd_pcm_hardware snd_ali_modem =
+static const struct snd_pcm_hardware snd_ali_modem =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |