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authorTakashi Iwai <tiwai@suse.de>2016-01-11 14:57:56 +0100
committerTakashi Iwai <tiwai@suse.de>2016-01-29 07:36:10 +0100
commit1f5e35636cc2737ccf1f67815cb33b978621f0f6 (patch)
treee5b08c2bb8086bc35a8af035175350e2b4a44a9d /Documentation/sound/alsa
parente2703363316278cd4a8880671d38f783f7de18ba (diff)
ALSA: doc: Update option descriptions for snd-usb-audio
The autoclock and quirk_alias options have been added. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'Documentation/sound/alsa')
-rw-r--r--Documentation/sound/alsa/ALSA-Configuration.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 48148d6d9307..fc53ccd9a629 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -1910,6 +1910,12 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
- Default: 0x0000
ignore_ctl_error - Ignore any USB-controller regarding mixer
interface (default: no)
+ autoclock - Enable auto-clock selection for UAC2 devices
+ (default: yes)
+ quirk_alias - Quirk alias list, pass strings like
+ "0123abcd:5678beef", which applies the existing
+ quirk for the device 5678:beef to a new device
+ 0123:abcd.
This module supports multiple devices, autoprobe and hotplugging.
@@ -1919,6 +1925,9 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
NB: ignore_ctl_error=1 may help when you get an error at accessing
the mixer element such as URB error -22. This happens on some
buggy USB device or the controller.
+ NB: quirk_alias option is provided only for testing / development.
+ If you want to have a proper support, contact to upstream for
+ adding the matching quirk in the driver code statically.
Module snd-usb-caiaq
--------------------