ALSA : au88x0 - Limit number of channels to fix Oops via OSS emu
Fix playback/capture channels patch to change supported playback channels of au8830 to 1,2,4 and capture channels to 1,2. This prevent oops when oss emulation use SNDCTL_DSP_CHANNELS to set 3 Channels Signed-off-by: NRaymond Yau <superquad.vortex2@gmail.com> Cc: <stable@kernel.org> Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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