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

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2011/4/2 adq <adq@xxxxxxxxxxxxx>:
> 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.

Forgot to mention - its the tuner attached to the internal af9013
(fe0) that is having the problem. The one attached to the external one
(fe1) is still fine. I don't know if this is always the case though.

>>> 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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