From 408bffd01cfcda2907b07fb86b3666e3db86fd82 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Thu, 14 Jan 2010 09:19:46 +0100
Subject: ALSA: ctxfi - Add subsystem option

Added a new option "subsystem" to override the PCI SSID for identifying
the card type.

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 c540637eb16a..c83fd7b64201 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -482,6 +482,9 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
 
     reference_rate	- reference sample rate, 44100 or 48000 (default)
     multiple		- multiple to ref. sample rate, 1 or 2 (default)
+    subsystem		- override the PCI SSID for probing; the value
+			  consists of SSVID << 16 | SSDID.  The default is
+			  zero, which means no override.
 
     This module supports multiple cards.
 
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