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

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Date:	Tue, 27 Aug 2013 11:35:59 +0200
From:	Knut Petersen <Knut_Petersen@...nline.de>
To:	Hans Verkuil <hansverk@...co.com>
CC:	Mauro Carvalho Chehab <mchehab@...radead.org>,
	linux-kernel@...r.kernel.org, linux-media@...r.kernel.org
Subject: Re: [REGRESSION 3.11-rc] wm8775 9-001b: I2C: cannot write ??? to
 register R??

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@...nline.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,
>   };
>   
>
>

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