OSS emul in ALSA: no full duplex support?

[Laurent <ldesegur@mac.com>]

Hi,

Under OSS, if I want to open a sound device (/dev/dsp) for both capture 
and playback at the same time (full duplex), I can specify O_RDWR mode 
in the open call mode parameter. Under ALSA/OSS emulation, I can only 
use O_WRONLY (playback) for mode. Can someone please tell me why is it 
happening and how I can work around this?

Thanks,

LdS


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