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The Advanced Linux Sound Architecture (ALSA) - library
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Hans de Goede 15ccbf303d conf/ucm: bytcr-rt5651: Document mono speaker wiring 
During my recent work on the bytcht-es8316 UCM profile I realized that the
bytcr-rt5651 devices with a single speaker use a differential setup just
like the es8316 does. The tell-tale here is the speaker going quiet when
playing the exact same sound on both channels when things are configured
for stereo speakers.

I've run some tests and the rt5651 does have a special mono balanced out
mode for its line-out but using this results in the same sound (and the
same loudness / volume of the sound) as our current solution, so adding
support for this to the kernel buys us nothing.

This commit makes no changes, it just documents my findings in a big
comment for future reference.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-01-01 20:38:29 +01:00
alsalisp Change FSF address (Franklin Street) 2017-11-14 14:29:26 +01:00
aserver a set of fixes to reduce gcc warnings 2018-03-27 15:16:41 +02:00
doc doxygen: Suppress timestamp 2016-06-23 16:29:07 +02:00
include pcm: extplug: Keep format and channels the same if requested 2018-12-10 11:53:41 +01:00
m4 Add the attributes.m4 macro file from xine/lscube. 2008-11-21 13:04:19 +01:00
modules modules: smixer_python - add support for python3 2018-03-27 14:51:39 +02:00
src conf/ucm: bytcr-rt5651: Document mono speaker wiring 2019-01-01 20:38:29 +01:00
test test/audio_time: remove unused variables 2018-10-24 12:07:33 +02:00
utils utils/alsa.m4: conditionally enable libdl in AM_PATH_ALSA m4 macro 2018-11-02 14:57:50 +01:00
.gitignore initial version of .travis.yml file 2018-10-24 16:07:58 +02:00
.travis.yml initial version of .travis.yml file 2018-10-24 16:07:58 +02:00
acinclude.m4 fixed for the recent autoconf. 2004-01-26 15:52:17 +00:00
ChangeLog * update to libtool 1.3.3 1999-07-22 12:18:42 +00:00
configure.ac conf/ucm: bytcr-rt5651: Add bytcr-rt5651-stereo-spk-dmic-mic config 2019-01-01 20:37:16 +01:00
COPYING Change FSF address (Franklin Street) 2017-11-14 14:29:26 +01:00
gitcompile a set of fixes to reduce gcc warnings 2018-03-27 15:16:41 +02:00
INSTALL pcm: Add thread-safety to PCM API 2016-07-11 15:25:30 +02:00
Makefile.am autotools: update style 2014-02-26 08:16:22 +01:00
MEMORY-LEAK Initial version 2003-02-04 14:56:07 +00:00
NOTES Change assert condition in error message handler 2007-10-24 12:53:08 +02:00
README.md README.md: add link to www.alsa-project.org 2018-10-24 17:33:10 +02:00
TODO Added snd_config_load_override(). 2002-01-09 21:28:15 +00:00

README.md

alsa-lib

Advanced Linux Sound Architecture (ALSA) project

The alsa-lib is a library to interface with ALSA in the Linux kernel and virtual devices using a plugin system.

The up-to-date reference generated from sources can be accessed here:

http://www.alsa-project.org/alsa-doc/alsa-lib/

You may give a look for more information about the ALSA project to URL http://www.alsa-project.org.