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From: Takashi Iwai <>
Subject: [PATCH RFC 3/3] ALSA: doc: Update option descriptions for snd-usb-audio
Date: Mon, 11 Jan 2016 17:59:16 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

The autoclock and quirk_alias options have been added.

Signed-off-by: Takashi Iwai <>
 Documentation/sound/alsa/ALSA-Configuration.txt | 9 +++++++++
 1 file changed, 9 insertions(+)

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

      parent reply	other threads:[~2016-01-11 16:59 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-11 16:59 [PATCH RFC 0/3] Add USB-audio quirk alias option Takashi Iwai
2016-01-11 16:59 ` [PATCH RFC 1/3] ALSA: usb-audio: Refer to chip->usb_id for quirks and MIDI creation Takashi Iwai
2016-01-11 16:59 ` [PATCH RFC 2/3] ALSA: usb-audio: Add quirk_alias option Takashi Iwai
2016-01-11 16:59 ` Takashi Iwai [this message]

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