[ALSA] Change some timer ioctls due to confliction

Timer Midlevel,ALSA Core
Change values of some timer ioctls to avoid confliction with FIO* ioctls.
The protocol version is increased to indicate this change.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/core/timer.c b/sound/core/timer.c
index 48aebdf..305e39d 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -1690,6 +1690,13 @@
 	return (err = snd_timer_continue(tu->timeri)) < 0 ? err : 0;
 }
 
+enum {
+	SNDRV_TIMER_IOCTL_START_OLD = _IO('T', 0x20),
+	SNDRV_TIMER_IOCTL_STOP_OLD = _IO('T', 0x21),
+	SNDRV_TIMER_IOCTL_CONTINUE_OLD = _IO('T', 0x22),
+	SNDRV_TIMER_IOCTL_PAUSE_OLD = _IO('T', 0x23),
+};
+
 static long snd_timer_user_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	snd_timer_user_t *tu;
@@ -1734,12 +1741,16 @@
 	case SNDRV_TIMER_IOCTL_STATUS:
 		return snd_timer_user_status(file, argp);
 	case SNDRV_TIMER_IOCTL_START:
+	case SNDRV_TIMER_IOCTL_START_OLD:
 		return snd_timer_user_start(file);
 	case SNDRV_TIMER_IOCTL_STOP:
+	case SNDRV_TIMER_IOCTL_STOP_OLD:
 		return snd_timer_user_stop(file);
 	case SNDRV_TIMER_IOCTL_CONTINUE:
+	case SNDRV_TIMER_IOCTL_CONTINUE_OLD:
 		return snd_timer_user_continue(file);
 	case SNDRV_TIMER_IOCTL_PAUSE:
+	case SNDRV_TIMER_IOCTL_PAUSE_OLD:
 		return snd_timer_user_pause(file);
 	}
 	return -ENOTTY;