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Diffstat (limited to 'Documentation/sound/alsa/ALSA-Configuration.txt')
| -rw-r--r-- | Documentation/sound/alsa/ALSA-Configuration.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index 68bbc25ff39e..b33e030509fb 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -1983,6 +1983,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. device_setup - Device specific magic number (optional) - Influence depends on the device - Default: 0x0000 + ignore_ctl_error - Ignore any USB-controller regarding mixer + interface (default: no) This module supports multiple devices, autoprobe and hotplugging. @@ -1991,6 +1993,9 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. check. NB: async_unlink=0 would cause Oops. It remains just for debugging purpose (if any). + 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. Module snd-usb-caiaq -------------------- |