ALSA: snd_pcm_new api cleanup

Impact: cleanup

snd_pcm_new takes a char *id argument, although it is not modifying
the string. it can therefore be declared as const char *id.

Signed-off-by: Tim Blechmann <tim@klingt.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 40c5a6f..ee0e887 100644 (file)
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -451,7 +451,7 @@ struct snd_pcm_notify {
 
 extern const struct file_operations snd_pcm_f_ops[2];
 
-int snd_pcm_new(struct snd_card *card, char *id, int device,
+int snd_pcm_new(struct snd_card *card, const char *id, int device,
                int playback_count, int capture_count,
                struct snd_pcm **rpcm);
 int snd_pcm_new_stream(struct snd_pcm *pcm, int stream, int substream_count);

diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 192a433..583453e 100644 (file)
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -692,7 +692,7 @@ EXPORT_SYMBOL(snd_pcm_new_stream);
  *
  * Returns zero if successful, or a negative error code on failure.
  */
-int snd_pcm_new(struct snd_card *card, char *id, int device,
+int snd_pcm_new(struct snd_card *card, const char *id, int device,
                int playback_count, int capture_count,
                struct snd_pcm ** rpcm)
 {