> > Try ./speaker_test -Dplug:surround51 -c 6
>
> Nope, I still get the same result. My /etc/asound.conf consists of
> what I copied from the ALSA soundcard tips page:
>
> # PCM Definition (ice1724)
> pcm.ice1724 {
> type hw
> card 0
> }
>
> ctl.ice1724 {
> type hw
> card 0
> }
Maybe your installation of ALSA is corrupted? The Revo works perfectly with a
2.4.22 kernel and ALSA 1.0.0rc2.
Try routing the audio to the surrounds as follows:-
1) Add the following to your .asoundrc:
pcm.ice1724_51 {
type plug
slave {
pcm "hw:0,0"
channels 6
}
ttable.0.0 1
ttable.1.1 1
ttable.0.2 1
ttable.1.3 1
ttable.0.4 1
ttable.1.5 1
}
2) Check that ice1724_51 is defined in the output of:
# aplay -L
3) Play a 2 channel wav:
# aplay -v -Dice1724_51 2channel.wav
You should get audio on all 6 channels (perhaps with xruns!) with the
following output:
# aplay -v -Dice1724_51 2channel.wav
Playing WAVE 'track01.cdda.wav' : Signed 16 bit Little Endian, Rate 44100 Hz,
Stereo
Plug PCM: Route conversion PCM (sformat=S32_LE)
Transformation table:
0 <- 0
1 <- 1
2 <- 0
3 <- 1
4 <- 0
5 <- 1
Its setup is:
stream : PLAYBACK
access : RW_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 44100
exact rate : 44100 (44100/1)
msbits : 16
buffer_size : 10920
period_size : 5512
period_time : 124988
tick_time : 10000
tstamp_mode : NONE
period_step : 1
sleep_min : 0
avail_min : 5512
xfer_align : 5512
start_threshold : 5512
stop_threshold : 10920
silence_threshold: 0
silence_size : 0
boundary : 1431306240
Slave: Hardware PCM card 0 'M Audio Revolution-7.1' device 0 subdevice 0
Its setup is:
stream : PLAYBACK
access : MMAP_INTERLEAVED
format : S32_LE
subformat : STD
channels : 6
rate : 44100
exact rate : 44100 (44100/1)
msbits : 24
buffer_size : 10920
period_size : 5512
period_time : 124988
tick_time : 10000
tstamp_mode : NONE
period_step : 1
sleep_min : 0
avail_min : 5512
xfer_align : 5512
start_threshold : 5512
stop_threshold : 10920
silence_threshold: 0
silence_size : 0
boundary : 1431306240
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