summaryrefslogtreecommitdiffstats
path: root/sound/usb/mixer.h
diff options
context:
space:
mode:
authorChris J Arges <chris.j.arges@canonical.com>2014-11-12 12:07:00 -0600
committerTakashi Iwai <tiwai@suse.de>2014-11-13 07:31:52 +0100
commitf41d6049d18694e8b3d938464432d0e51f671089 (patch)
tree33a9895b690e00d37d7c7a836db0161a69617b1a /sound/usb/mixer.h
parentef9566a3a1c0e46dadfa6c722e8a685ac0cea081 (diff)
downloadlinux-f41d6049d18694e8b3d938464432d0e51f671089.tar.bz2
ALSA: usb-audio: Add private_data pointer to usb_mixer_elem_info
Add a private_data pointer to usb_mixer_elem_info to allow other mixer implementations to extend the structure as necessary. Signed-off-by: Chris J Arges <chris.j.arges@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/mixer.h')
-rw-r--r--sound/usb/mixer.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h
index 2c7b9c9c2aa6..7423f998cfb5 100644
--- a/sound/usb/mixer.h
+++ b/sound/usb/mixer.h
@@ -53,6 +53,7 @@ struct usb_mixer_elem_info {
int cached;
int cache_val[MAX_CHANNELS];
u8 initialized;
+ void *private_data;
};
int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,