ALSA: rme*: Use snd_pcm_format_t

Fix sparse warnings below by using snd_pcm_format_t properly:
   sound/pci/rme32.c:682:60: sparse: incorrect type in argument 2 (different base types)
  sound/pci/rme96.c:1006:69: sparse: incorrect type in argument 2 (different base types)
   .....
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/rme32.c

@@ -632,7 +632,7 @@ snd_rme32_setframelog(struct rme32 * rme32, int n_channels, int is_playback)
 	}
 }
 
-static int snd_rme32_setformat(struct rme32 * rme32, int format)
+static int snd_rme32_setformat(struct rme32 *rme32, snd_pcm_format_t format)
 {
 	switch (format) {
 	case SNDRV_PCM_FORMAT_S16_LE:

sound/pci/rme96.c

@@ -922,8 +922,7 @@ snd_rme96_setframelog(struct rme96 *rme96,
 }
 
 static int
-snd_rme96_playback_setformat(struct rme96 *rme96,
-			     int format)
+snd_rme96_playback_setformat(struct rme96 *rme96, snd_pcm_format_t format)
 {
 	switch (format) {
 	case SNDRV_PCM_FORMAT_S16_LE:
@@ -940,8 +939,7 @@ snd_rme96_playback_setformat(struct rme96 *rme96,
 }
 
 static int
-snd_rme96_capture_setformat(struct rme96 *rme96,
-			    int format)
+snd_rme96_capture_setformat(struct rme96 *rme96, snd_pcm_format_t format)
 {
 	switch (format) {
 	case SNDRV_PCM_FORMAT_S16_LE: