[linux-dvb] opening dvr for writing

[Andrea]

Andrea wrote:
> Steven Dorigotti wrote:
>> Hello,
>>
>>
>>    If the open() mode is changed to RDWR instead of WRONLY, errno  
>> changes to "Operation not supported".
> 
> The only 2 supported modes are O_RDONLY and O_WRONLY.
> 
> in dmxdev.c around line 160.

sorry...

... unless the device has the capability DMXDEV_CAP_DUPLEX which I can't really see what it is.