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author | Igor Pashev <pashev.igor@gmail.com> | 2013-05-03 21:08:42 +0400 |
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committer | Igor Pashev <pashev.igor@gmail.com> | 2013-05-03 21:08:42 +0400 |
commit | 1058def8e7827e56ce4a70afb4aeacb5dc44148f (patch) | |
tree | 4495d23e7b54ab5700e3839081e797c1eafe0db9 /kernel/drv/oss_cmi878x/oss_cmi878x.man | |
download | oss4-upstream.tar.gz |
Imported Upstream version 4.2-build2006upstream/4.2-build2006upstream
Diffstat (limited to 'kernel/drv/oss_cmi878x/oss_cmi878x.man')
-rw-r--r-- | kernel/drv/oss_cmi878x/oss_cmi878x.man | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/kernel/drv/oss_cmi878x/oss_cmi878x.man b/kernel/drv/oss_cmi878x/oss_cmi878x.man new file mode 100644 index 0000000..316d4c4 --- /dev/null +++ b/kernel/drv/oss_cmi878x/oss_cmi878x.man @@ -0,0 +1,54 @@ +NAME +oss_cmi878x - CMedia CMI8788 audio driver. + +DESCRIPTION +Open Sound System driver for CMedia Electronics CMI8788 audio + +CMI87xx device characteristics: + o 8/16/24/32 bit playback/record + o mono/stereo/4ch/5.1/7.1 playback + o 8KHz to 192Khz sample rate. + +The CMedia 8788 device provides 3 types of devices. The first devices is +a Multichannel full duplex device. The second device provides Front Panel +audio access and the SPDIF device provide SPDIF (Digital) audio I/O. + + MIXER PANEL +The CMedia chip provides some unique features that are set up +by the Mixer chip. There are 3 mixer devices presented to the user. + +Main Mixer Panel (/dev/mixer0) + +o Master Mixer panel is for controlling output volumes for each of the 8 +channels. + +o Monitor buttons will allow you to monitor the input from the Rear Panel +inputs, Front Panel Inputs and SPDIF IN. + +o Speaker-Spread function duplicates the front channel output on all 8 +speakers. + +o SPDIF Loopback simply takes SPDIF Input and Plays it out the SPDIF Output. +panel. + + +AC97 Input Mixer Panel (/dev/mixer1) +This mixer panel is used to switch between the various inputs like line-in, +mic, cd. When the Rear Panel Monitor button is check marked in the Main +mixer panel, the IGAIN slider in this panel controls the level of the input +that can be hear on the speakers. + + +AC97 Front Panel Mixer (/dev/mixer2) +This mixer controls the front panel ac97 device. It can be used to control +all the volumes and inputs as well as SPDIF output on the front panel device. + +OPTIONS +None + +FILES +CONFIGFILEPATH/oss_cmi878x.conf Device configuration file + +AUTHOR +4Front Technologies + |