[ALSA] clean up device types symbols

Modules: ALSA Core,ALSA Minor Numbers

Remove the unused and undefined symbols SNDRV_DEVICE_TYPE_{MIXER,
PCM_PLOOP,PCM_CLOOP}, and introduce a new symbol SNDRV_MINOR_GLOBAL
for non-card-specific devices like the sequencer or the timer.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>

2 files changed, 5 insertions, 7 deletions

diff --git a/include/sound/minors.h b/include/sound/minors.h
index b7b0d8309449..a17b5c9961bb 100644
--- a/include/sound/minors.h
+++ b/include/sound/minors.h
@@ -27,8 +27,9 @@
 #define SNDRV_MINOR(card, dev)          (((card) << 5) | (dev))
 
 #define SNDRV_MINOR_CONTROL             0       /* 0 - 0 */
-#define SNDRV_MINOR_SEQUENCER           1
-#define SNDRV_MINOR_TIMER               (1+32)
+#define SNDRV_MINOR_GLOBAL              1       /* 1 */
+#define SNDRV_MINOR_SEQUENCER           (SNDRV_MINOR_GLOBAL + 0 * 32)
+#define SNDRV_MINOR_TIMER               (SNDRV_MINOR_GLOBAL + 1 * 32)
 #define SNDRV_MINOR_HWDEP               4       /* 4 - 7 */
 #define SNDRV_MINOR_HWDEPS              4
 #define SNDRV_MINOR_RAWMIDI             8       /* 8 - 15 */
@@ -39,12 +40,9 @@
 
 #define SNDRV_DEVICE_TYPE_CONTROL       SNDRV_MINOR_CONTROL
 #define SNDRV_DEVICE_TYPE_HWDEP         SNDRV_MINOR_HWDEP
-#define SNDRV_DEVICE_TYPE_MIXER         SNDRV_MINOR_MIXER
 #define SNDRV_DEVICE_TYPE_RAWMIDI       SNDRV_MINOR_RAWMIDI
 #define SNDRV_DEVICE_TYPE_PCM_PLAYBACK  SNDRV_MINOR_PCM_PLAYBACK
-#define SNDRV_DEVICE_TYPE_PCM_PLOOP     SNDRV_MINOR_PCM_PLOOP
 #define SNDRV_DEVICE_TYPE_PCM_CAPTURE   SNDRV_MINOR_PCM_CAPTURE
-#define SNDRV_DEVICE_TYPE_PCM_CLOOP     SNDRV_MINOR_PCM_CLOOP
 #define SNDRV_DEVICE_TYPE_SEQUENCER     SNDRV_MINOR_SEQUENCER
 #define SNDRV_DEVICE_TYPE_TIMER         SNDRV_MINOR_TIMER
 
diff --git a/sound/core/sound.c b/sound/core/sound.c
index dee602245fe8..1139dd8ca8eb 100644
--- a/sound/core/sound.c
+++ b/sound/core/sound.c
@@ -130,7 +130,7 @@ static int snd_open(struct inode *inode, struct file *file)
         struct file_operations *old_fops;
         int err = 0;
 
-        if (dev != SNDRV_MINOR_SEQUENCER && dev != SNDRV_MINOR_TIMER) {
+        if (dev != SNDRV_MINOR_GLOBAL) {
                 if (snd_cards[card] == NULL) {
 #ifdef CONFIG_KMOD
                         snd_request_card(card);
@@ -287,7 +287,7 @@ static void snd_minor_info_read(snd_info_entry_t *entry, snd_info_buffer_t * buf
         for (card = 0; card < SNDRV_CARDS; card++) {
                 list_for_each(list, &snd_minors_hash[card]) {
                         mptr = list_entry(list, snd_minor_t, list);
-                        if (SNDRV_MINOR_DEVICE(mptr->number) != SNDRV_MINOR_SEQUENCER) {
+                        if (SNDRV_MINOR_DEVICE(mptr->number) != SNDRV_MINOR_GLOBAL) {
                                 if ((device = mptr->device) >= 0)
                                         snd_iprintf(buffer, "%3i: [%i-%2i]: %s\n", mptr->number, card, device, mptr->comment);
                                 else