Hi Lorenz,
On 11/10/2013 09:35 AM, Lorenz Röhrl wrote:
> Hi Hans,
>
>
> On 11/10/2013 12:00 AM, Hans Verkuil wrote:
>>
>> Can you try this patch? I'm not 100% but I think this might be the cause of
>> the problem.
>>
>> diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c
>> index c6532de..4f0aaa5 100644
>> --- a/drivers/media/pci/bt8xx/bttv-driver.c
>> +++ b/drivers/media/pci/bt8xx/bttv-driver.c
>> @@ -4182,7 +4182,8 @@ static int bttv_probe(struct pci_dev *dev, const struct pci_device_id *pci_id)
>> }
>> btv->std = V4L2_STD_PAL;
>> init_irqreg(btv);
>> - v4l2_ctrl_handler_setup(hdl);
>> + if (!bttv_tvcards[btv->c.type].no_video)
>> + v4l2_ctrl_handler_setup(hdl);
>> if (hdl->error) {
>> result = hdl->error;
>> goto fail2;
>>
>>
>
> I tried the patch and indeed it's working :)
> No freeze on loading the module and the dvb-device is also working.
Thanks for testing this! Good news that it fixed the problem.
>
> lolo@hurra ~ % ls /dev/dvb/adapter0
> demux0 dvr0 frontend0
>
> lolo@hurra ~ % dmesg |grep bttv
> [ 0.871060] bttv: driver version 0.9.19 loaded
> [ 0.872005] bttv: using 8 buffers with 2080k (520 pages) each for capture
> [ 0.873137] bttv: Bt8xx card found (0)
> [ 0.874186] bttv: 0: Bt878 (rev 17) at 0000:04:01.0, irq: 16,
> latency: 32, mmio: 0xf0401000
> [ 0.875156] bttv: 0: detected: Twinhan VisionPlus DVB [card=113], PCI
> subsystem ID is 1822:0001
> [ 0.876138] bttv: 0: using: Twinhan DST + clones [card=113,autodetected]
> [ 0.884082] bttv: 0: tuner absent
> [ 0.894011] bttv: 0: add subdevice "dvb0"
> [ 0.901398] DVB: registering new adapter (bttv0)
>
>
> Will this patch be included upstream? When will it appear in official
> kernel sources?
I'll make a pull request for this tomorrow for 3.13 with a CC to the stable kernel
mailinglist. It will probably take a few weeks before it appears in the mainline
kernel and in the older, stable, kernels. I would expect this to be fixed by the
end of the year.
Regards,
Hans
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