Comment 38 for bug 986817

seem bug if your card support 10 channels

lt-pulseaudio] alsa-util.c: Managed to open hw:2
I: [lt-pulseaudio] alsa-util.c: Disabling tsched mode since BATCH flag is set
D: [lt-pulseaudio] alsa-util.c: snd_pcm_hw_params_set_format(Signed 16 bit Little Endian) failed: Invalid argument
D: [lt-pulseaudio] alsa-util.c: snd_pcm_hw_params_set_format(Signed 16 bit Big Endian) failed: Invalid argument
D: [lt-pulseaudio] alsa-util.c: snd_pcm_hw_params_set_format(Float 32 bit Little Endian) failed: Invalid argument
D: [lt-pulseaudio] alsa-util.c: snd_pcm_hw_params_set_format(Float 32 bit Big Endian) failed: Invalid argument
D: [lt-pulseaudio] alsa-util.c: Maximum hw buffer size is 227 ms
D: [lt-pulseaudio] alsa-util.c: Set buffer size first (to 7680 samples), period size second (to 960 samples).
I: [lt-pulseaudio] alsa-util.c: Device hw:2 doesn't support 44100 Hz, changed to 96000 Hz.
I: [lt-pulseaudio] alsa-util.c: Device hw:2 doesn't support 4 channels, changed to 12.
I: [lt-pulseaudio] alsa-util.c: Device hw:2 doesn't support sample format s16le, changed to s32le.
D: [lt-pulseaudio] alsa-mixer.c: Channel map for mapping 'multichannel' permanently changed to 'front-left,front-right,rear-left,rear-right,front-center,lfe,side-left,side-right,aux0,aux1,aux2,aux3'
D: [lt-pulseaudio] alsa-mixer.c: Profile input:multichannel supported.