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| author | Clemens Ladisch <clemens@ladisch.de> | 2007-08-22 09:45:03 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2007-10-16 15:59:22 +0200 |
| commit | 45c41b4868c9dbec5d43a4023e77994afa94470f (patch) | |
| tree | cdf019b41ae2462d5dc63dcf65d879890c9208b5 /Documentation/sound/alsa/CMIPCI.txt | |
| parent | [ALSA] wavefront - Use standard firmware loader (diff) | |
| download | linux-45c41b4868c9dbec5d43a4023e77994afa94470f.tar.xz linux-45c41b4868c9dbec5d43a4023e77994afa94470f.zip | |
[ALSA] cmipci: fix handling of FM/MIDI port addresses
Make sure that the MPU-401 MIDI and OPL-3 FM devices are used only on
those chips where they are supported, and that the correct port
addresses are used.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'Documentation/sound/alsa/CMIPCI.txt')
| -rw-r--r-- | Documentation/sound/alsa/CMIPCI.txt | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/Documentation/sound/alsa/CMIPCI.txt b/Documentation/sound/alsa/CMIPCI.txt index 4b2b15387056..664be46566b8 100644 --- a/Documentation/sound/alsa/CMIPCI.txt +++ b/Documentation/sound/alsa/CMIPCI.txt @@ -1,5 +1,5 @@ - Brief Notes on C-Media 8738/8338 Driver - ======================================= + Brief Notes on C-Media 8338/8738/8768/8770 Driver + ================================================= Takashi Iwai <tiwai@suse.de> @@ -212,7 +212,9 @@ MIDI CONTROLLER The MPU401-UART interface is disabled as default. You need to set module option "mpu_port" with a valid I/O port address to enable the MIDI support. The valid I/O ports are 0x300, 0x310, 0x320 and 0x330. -Choose the value which doesn't conflict with other cards. +Choose the value which doesn't conflict with other cards. With +CMI8738 and newer chips, you can use "mpu_port=1" to use a PCI port +address that does not conflict with any other card. There is _no_ hardware wavetable function on this chip (except for OPL3 synth below). @@ -230,6 +232,8 @@ Set "fm_port" module option for more cards. The output quality of FM OPL/3 is, however, very weird. I don't know why.. +CMI8768 and newer chips do not have the FM synth. + Joystick and Modem ------------------ |