At Sun, 16 Feb 2014 17:11:10 +0100, Clemens Ladisch wrote:
When the driver tries to access Function Unit 10, the KEF X300A speakers' firmware apparently locks up, making even PCM streaming impossible. Work around this by ignoring this FU.
Cc: stable@vger.kernel.org Signed-off-by: Clemens Ladisch clemens@ladisch.de
Thanks, applied.
Takashi
sound/usb/mixer_maps.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c index 32af6b7..d1d72ff 100644 --- a/sound/usb/mixer_maps.c +++ b/sound/usb/mixer_maps.c @@ -328,6 +328,11 @@ static struct usbmix_name_map gamecom780_map[] = { {} };
+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
*/ @@ -419,6 +424,10 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = { .id = USB_ID(0x200c, 0x1018), .map = ebox44_map, },
- {
.id = USB_ID(0x27ac, 0x1000),.map = kef_x300a_map,- }, { 0 } /* terminator */
};