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authorTakashi Iwai <tiwai@suse.de>2008-01-07 09:16:37 -0500
committerJaroslav Kysela <perex@perex.cz>2008-01-31 11:29:45 -0500
commit5aba4f8ec72b2b880c694b5ce58e67be508f7b7a (patch)
treef1b2ddb355c434d27e17bf78de9e8cd2d8e1a4a1 /Documentation/sound
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/sound')
-rw-r--r--Documentation/sound/alsa/ALSA-Configuration.txt7
1 files changed, 5 insertions, 2 deletions
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index aded3b4f0889..afdb6ffeae55 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.
744 VIA VT8251/VT8237A, 744 VIA VT8251/VT8237A,
745 SIS966, ULI M5461 745 SIS966, ULI M5461
746 746
747 [Multiple options for each card instance]
747 model - force the model name 748 model - force the model name
748 position_fix - Fix DMA pointer (0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size) 749 position_fix - Fix DMA pointer (0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size)
749 probe_mask - Bitmask to probe codecs (default = -1, meaning all slots) 750 probe_mask - Bitmask to probe codecs (default = -1, meaning all slots)
751
752 [Single (global) options]
750 single_cmd - Use single immediate commands to communicate with 753 single_cmd - Use single immediate commands to communicate with
751 codecs (for debugging only) 754 codecs (for debugging only)
752 enable_msi - Enable Message Signaled Interrupt (MSI) (default = off) 755 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.
755 power_save_controller - Reset HD-audio controller in power-saving mode 758 power_save_controller - Reset HD-audio controller in power-saving mode
756 (default = on) 759 (default = on)
757 760
758 This module supports one card and autoprobe. 761 This module supports multiple cards and autoprobe.
759 762
760 Each codec may have a model table for different configurations. 763 Each codec may have a model table for different configurations.
761 If your machine isn't listed there, the default (usually minimal) 764 If your machine isn't listed there, the default (usually minimal)
762 configuration is set up. You can pass "model=<name>" option to 765 configuration is set up. You can pass "model=<name>" option to