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authorAlex Shi <alex.shi@linaro.org>2016-05-05 13:36:03 +0800
committerAlex Shi <alex.shi@linaro.org>2016-05-05 13:36:03 +0800
commite91b1cc90283c1b9b75670b027a18afbd20fe070 (patch)
tree81c395406a3774775a183d544aee9c5ced1c31d6 /sound/usb/mixer_maps.c
parentd83731cf53fd3af7173cab5e3f573d06ebc852be (diff)
parent0b3df30dcadcddc56aed56c3c2d2de2ca963e81d (diff)
Merge branch 'linux-linaro-lsk-v4.1' into linux-linaro-lsk-v4.1-rtlsk-v4.1-16.06-rtlsk-v4.1-16.05-rt
Diffstat (limited to 'sound/usb/mixer_maps.c')
-rw-r--r--sound/usb/mixer_maps.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c
index ddca6547399b..1f8fb0d904e0 100644
--- a/sound/usb/mixer_maps.c
+++ b/sound/usb/mixer_maps.c
@@ -349,6 +349,16 @@ static struct usbmix_name_map bose_companion5_map[] = {
};
/*
+ * Dell usb dock with ALC4020 codec had a firmware problem where it got
+ * screwed up when zero volume is passed; just skip it as a workaround
+ */
+static const struct usbmix_name_map dell_alc4020_map[] = {
+ { 16, NULL },
+ { 19, NULL },
+ { 0 }
+};
+
+/*
* Control map entries
*/
@@ -431,6 +441,10 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = {
.map = aureon_51_2_map,
},
{
+ .id = USB_ID(0x0bda, 0x4014),
+ .map = dell_alc4020_map,
+ },
+ {
.id = USB_ID(0x0dba, 0x1000),
.map = mbox1_map,
},