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[ALSA] Adding support for ATI IXP450 HD Audio device support

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Documentation,HDA Intel driver
This patch changes the Intel HD Audio device driver to include
the support of HD Audio device embedded in ATI south bridge
IXP450. Because the design of ATI chipset follows intel HD Audio
specification 1.0, the programming method is the same as that
of intel HD Audio device exception one minor change which requires
to enable snoop for DMA transport. There are 3 changes that have been
made to hda_intel.c file.
  1. Added device ID for ATI HD Audio device;
  2. Increase maximum CODEC supported to 4;
  3. Enable snoop during the driver initialization.

Signed-off-by: Frederick Li <fli@ati.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Frederick Li
2005-05-12 14:55:20 +02:00
committed by Jaroslav Kysela
parent 2fa522bed8
commit f5d40b30ed
2 changed files with 21 additions and 4 deletions
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2
Documentation/sound/alsa/ALSA-Configuration.txt
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@@ -615,7 +615,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
Module snd-hda-intel
--------------------
Module for Intel HD Audio (ICH6, ICH6M, ICH7)
Module for Intel HD Audio (ICH6, ICH6M, ICH7), ATI SB450
model - force the model name
position_fix - Fix DMA pointer (0 = FIFO size, 1 = none, 2 = POSBUF)