ALSA: hda - Update HD-Audio.txt

Fixed typos and added a section about codecgraph.
Thanks to Vedran Miletić and Daniel T Chen for suggestions.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2008-12-11 07:44:18 +01:00
parent d2afbe78a2
commit 623b9f6738
1 changed files with 15 additions and 2 deletions

View File

@ -266,7 +266,7 @@ submit the improvement patch to the author.
Direct Debugging
~~~~~~~~~~~~~~~~
If no model option gives you a better result, and you are a touch guy
to fight again the evil, try debugging via hitting the raw HD-audio
to fight against evil, try debugging via hitting the raw HD-audio
codec verbs to the device. Some tools are available: hda-emu and
hda-analyzer. The detailed description is found in the sections
below. You'd need to enable hwdep for using these tools. See "Kernel
@ -389,7 +389,7 @@ power-down/up depending on the device. Some of them might be
solvable, but some are hard, I'm afraid. Some distros such as
openSUSE enables the power-saving feature automatically when the power
cable is unplugged. Thus, if you hear noises, suspect first the
power-saving. See /sys/modules/snd_hda_intel/parameters/power_save to
power-saving. See /sys/module/snd_hda_intel/parameters/power_save to
check the current value. If it's non-zero, the feature is turned on.
@ -503,6 +503,19 @@ alsa-project.org:
- http://git.alsa-project.org/?p=alsa.git;a=tree;f=hda-analyzer
Codecgraph
~~~~~~~~~~
Codecgraph is a utility program to generate a graph and visualizes the
codec-node connection of a codec chip. It's especially useful when
you analyze or debug a codec without a proper datasheet. The program
parses the given codec proc file and converts to SVG via graphiz
program.
The tarball and GIT trees are found in the web page at:
- http://helllabs.org/codecgraph/
hda-emu
~~~~~~~
hda-emu is an HD-audio emulator. The main purpose of this program is