ALSA: usb-audio: work around KEF X300A firmware bug

[pandora-kernel.git] / sound / usb / mixer_maps.c

diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c
index f1324c4..0e4e909 100644 (file)
--- a/sound/usb/mixer_maps.c
+++ b/sound/usb/mixer_maps.c
@@ -304,6 +304,11 @@ static struct usbmix_name_map hercules_usb51_map[] = {
        { 0 }                           /* terminator */
 };
 
+static const struct usbmix_name_map kef_x300a_map[] = {
+       { 10, NULL }, /* firmware locks up (?) when we try to access this FU */
+       { 0 }
+};
+
 /*
  * Control map entries
  */
@@ -371,6 +376,10 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = {
                .map = scratch_live_map,
                .ignore_ctl_error = 1,
        },
+       {
+               .id = USB_ID(0x27ac, 0x1000),
+               .map = kef_x300a_map,
+       },
        { 0 } /* terminator */
 };