path: root/Documentation
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authorTakashi Iwai <tiwai@suse.de>2008-01-07 15:16:37 +0100
committerJaroslav Kysela <perex@perex.cz>2008-01-31 17:29:45 +0100
commit5aba4f8ec72b2b880c694b5ce58e67be508f7b7a (patch)
treef1b2ddb355c434d27e17bf78de9e8cd2d8e1a4a1 /Documentation
parentf11b799282201fbd8c88b51815176a902b1f15b8 (diff)
[ALSA] hda-intel - Support multiple devices
It turned out that there can be multiple HD-audio devices on a single machine (e.g. on-board audio and HDMI on graphic cards), so we need to support multiple devices with snd-hda-intel driver. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'Documentation')
1 files changed, 5 insertions, 2 deletions
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index aded3b4f088..afdb6ffeae5 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -744,9 +744,12 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
VIA VT8251/VT8237A,
SIS966, ULI M5461
+ [Multiple options for each card instance]
model - force the model name
position_fix - Fix DMA pointer (0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size)
probe_mask - Bitmask to probe codecs (default = -1, meaning all slots)
+ [Single (global) options]
single_cmd - Use single immediate commands to communicate with
codecs (for debugging only)
enable_msi - Enable Message Signaled Interrupt (MSI) (default = off)
@@ -755,8 +758,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
power_save_controller - Reset HD-audio controller in power-saving mode
(default = on)
- This module supports one card and autoprobe.
+ This module supports multiple cards and autoprobe.
Each codec may have a model table for different configurations.
If your machine isn't listed there, the default (usually minimal)
configuration is set up. You can pass "model=<name>" option to