From: Takashi Iwai Date: Wed, 13 Aug 2008 13:27:43 +0000 (+0200) Subject: ALSA: Add missing description of usb-audio parameters X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8a8f2662c535e1dedced896cc68cb8473fd98fa0;p=linux-beck.git ALSA: Add missing description of usb-audio parameters Added the missing description of module parameters of usb-audio driver to ALSA-Configuration.txt. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index dd083b2a5bd3..68bbc25ff39e 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -1978,12 +1978,20 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. vid - Vendor ID for the device (optional) pid - Product ID for the device (optional) + nrpacks - Max. number of packets per URB (default: 8) + async_unlink - Use async unlink mode (default: yes) device_setup - Device specific magic number (optional) - Influence depends on the device - Default: 0x0000 This module supports multiple devices, autoprobe and hotplugging. + NB: nrpacks parameter can be modified dynamically via sysfs. + Don't put the value over 20. Changing via sysfs has no sanity + check. + NB: async_unlink=0 would cause Oops. It remains just for + debugging purpose (if any). + Module snd-usb-caiaq --------------------