Re: v4l2_fops - poll and open

2014-09-15 Thread Shuah Khan
On 09/13/2014 02:36 AM, Hans Verkuil wrote: > On 09/13/2014 02:34 AM, Shuah Khan wrote: >> Mauro/Hans, >> >> It turns out au0828 driver does init tuner from its >> v4l2_fops read and poll. If an analog app comes in >> and does a read or poll, digital could get disrupted. >> Do you recommend adding

Re: v4l2_fops - poll and open

2014-09-13 Thread Hans Verkuil
On 09/13/2014 02:34 AM, Shuah Khan wrote: > Mauro/Hans, > > It turns out au0828 driver does init tuner from its > v4l2_fops read and poll. If an analog app comes in > and does a read or poll, digital could get disrupted. > Do you recommend adding token access to these?? Yes. read() and poll() are

v4l2_fops - poll and open

2014-09-12 Thread Shuah Khan
Mauro/Hans, It turns out au0828 driver does init tuner from its v4l2_fops read and poll. If an analog app comes in and does a read or poll, digital could get disrupted. Do you recommend adding token access to these?? -- Shuah -- Shuah Khan Sr. Linux Kernel Developer Samsung Research America (Si