Re: [REGRESSION 3.11-rc] wm8775 9-001b: I2C: cannot write ??? to register R??

Knut Petersen
2013-08-27T09:55:08Z

On 27.08.2013 09:26, Hans Verkuil wrote:
> On 08/25/2013 05:45 PM, Knut Petersen wrote:
>> Booting current git kernel dmesg shows a set of new warnings:
>>
>> "wm8775 9-001b: I2C: cannot write ??? to register R??"
>>
>> Nevertheless, the hardware seems to work fine.
>>
>> This is a new problem, introduced after kernel 3.10.
>> If necessary I can bisect.
> Can you try this patch? I'm pretty sure this will fix it.

Indeed, it does cure the problem. Thanks.

Tested-by: Knut Petersen <Knut_Petersen@t-online.de>

>
> Regards,
>
> Hans
>
> diff --git a/drivers/media/pci/cx88/cx88.h b/drivers/media/pci/cx88/cx88.h
> index afe0eae..28893a6 100644
> --- a/drivers/media/pci/cx88/cx88.h
> +++ b/drivers/media/pci/cx88/cx88.h
> @@ -259,7 +259,7 @@ struct cx88_input {
> };
>
> enum cx88_audio_chip {
> - CX88_AUDIO_WM8775,
> + CX88_AUDIO_WM8775 = 1,
> CX88_AUDIO_TVAUDIO,
> };
>
>
>