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authorJens Axboe <axboe@kernel.dk>2017-08-28 13:00:44 -0600
committerJens Axboe <axboe@kernel.dk>2017-08-28 13:00:44 -0600
commitcd996fb47c360320cf25ac9503c16de085ea9cfc (patch)
tree38a4730b2c031afe7daf632064f9687f1e09194e /sound/usb/mixer_quirks.c
parente9a823fb34a8b0fcba6e112aa1003258a1a5af50 (diff)
parentcc4a41fe5541a73019a864883297bd5043aa6d98 (diff)
Merge tag 'v4.13-rc7' into for-4.14/block-postmerge
Linux 4.13-rc7 Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'sound/usb/mixer_quirks.c')
-rw-r--r--sound/usb/mixer_quirks.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index e3d1dec48ee4..e1e7ce9ab217 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -1878,6 +1878,12 @@ void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,
if (unitid == 7 && cval->control == UAC_FU_VOLUME)
snd_dragonfly_quirk_db_scale(mixer, cval, kctl);
break;
+ /* lowest playback value is muted on C-Media devices */
+ case USB_ID(0x0d8c, 0x000c):
+ case USB_ID(0x0d8c, 0x0014):
+ if (strstr(kctl->id.name, "Playback"))
+ cval->min_mute = 1;
+ break;
}
}