Re: [patch] Fix AF9015 Dual tuner i2c write failures

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2011/4/2 Antti Palosaari <crope@xxxxxx>:
> On 04/02/2011 04:24 AM, adq wrote:
>>
>> Hi, just been trying it out, with no success. On my test machine, FE0
>> no longer tunes, but FE1 is still fine, so I've just been testing FE0.
>
> You try to say other frontend / tuner is physically dead? Which one?

No no - I can revive it by simply unplugging and replugging the
device, but I was avoiding doing that to see if we could either track
down something erroneous, or be able to reset it from software.

It'd be /really/ handy if they'd connected that reset tuner GPIO :(
There isn't a way to completely reset the device from software I take
it? Or any other GPIOs hanging about I could test with?

I have an MXL5005R tuner apparently - id 30 - BTW.

>> I've tried your suggestions, mainly concentrating on the af9013's
>> GPIOs, but I also tried your power management suggestion.
>>
>> Since I was just using FE0, I've just been setting all the GPIOs at
>> the start of af9013.c's set_frontend() implementation; I've tried
>> turning them all off, all on, on->mdelay->off, and also
>> off->mdelay->on. Nothing works.
>
> So GPIOs are blocked out.
>
> I wonder if someone can ran similar many day tuning stress test using
> Windows drivers to see if that happen.

Might be hard to script under windows I suppose...
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