From e311334ee6bdd173d53be52f4fdffa5f39652e26 Mon Sep 17 00:00:00 2001
From: Thibault LE MEUR <Thibault.LeMeur@supelec.fr>
Date: Tue, 14 Mar 2006 11:44:53 +0100
Subject: [ALSA] Fixes audiophile usb analog capture with the new device_setup
 parameter

Modules: Documentation,USB generic driver

The patch adds the 'device_setup' module parameter and a specific
quirk to correctly initialize the audiophile usb device: this fixes
the distorted sound bug on the Analog capture port. Backward
compatibility is achieved by simply omitting the new parameter.

Signed-off-by: Thibault LE MEUR <Thibault.LeMeur@supelec.fr>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 Documentation/sound/alsa/ALSA-Configuration.txt | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'Documentation/sound/alsa/ALSA-Configuration.txt')

diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 1065beed8d7..f947c4b04ab 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -1411,6 +1411,9 @@ 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)
+    device_setup    - Device specific magic number (optional)
+                    - Influence depends on the device
+                    - Default: 0x0000 
 
     This module supports multiple devices, autoprobe and hotplugging.
 
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