ALSA: control: Define SNDRV_CTL_TLV_OP_* constants

Instead of hard-coded magic numbers, define constants for op_flag to
tlv callbacks.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 3 insertions, 3 deletions

diff --git a/sound/core/control.c b/sound/core/control.c
index f0b0e14497a5..b9611344ff9e 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -1406,11 +1406,11 @@ static long snd_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg
         case SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS:
                 return snd_ctl_subscribe_events(ctl, ip);
         case SNDRV_CTL_IOCTL_TLV_READ:
-                return snd_ctl_tlv_ioctl(ctl, argp, 0);
+                return snd_ctl_tlv_ioctl(ctl, argp, SNDRV_CTL_TLV_OP_READ);
         case SNDRV_CTL_IOCTL_TLV_WRITE:
-                return snd_ctl_tlv_ioctl(ctl, argp, 1);
+                return snd_ctl_tlv_ioctl(ctl, argp, SNDRV_CTL_TLV_OP_WRITE);
         case SNDRV_CTL_IOCTL_TLV_COMMAND:
-                return snd_ctl_tlv_ioctl(ctl, argp, -1);
+                return snd_ctl_tlv_ioctl(ctl, argp, SNDRV_CTL_TLV_OP_CMD);
         case SNDRV_CTL_IOCTL_POWER:
                 return -ENOPROTOOPT;
         case SNDRV_CTL_IOCTL_POWER_STATE: