[alsa-devel] DM365 McBSP as Master

Clemens Ladisch clemens at ladisch.de
Mon Oct 17 14:47:57 CEST 2011


implementations; you should open the device twice.
the device in full duplex mode.  This is not supported by most OSS
O_RDWR indicates that you want to use the same file handle to use

Appalayagari Sreedhar wrote:
> root at dm368-evm:/# ./myoss
> Audio Driver failed to open, oss_fd = -1 errno = 22
> On 10/17/11, Appalayagari Sreedhar <sreecha01 at gmail.com> wrote:
>> i found that if i open the device O_WRONLY and O_RDONLY mode it works.
>> if i try to open the device using the O_RDWR mode it fails.

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