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SubjectRe: [PATCH 07/21] ASoC: io: Prevent use of regmap if request fails
On 26/07/12 16:25, Mark Brown wrote:
> On Thu, Jul 26, 2012 at 04:23:33PM +0100, Lee Jones wrote:
>
>> What's my 'control data'? It's not used in the original codec patch.
>
>> The old way wants to go:
>
>> snd_soc_update_bits() -> snd_soc_read() -> ab8500_codec_read_reg()
>
>> When then calls back into the abx500.
>
>> So what 'control data' should I be storing in the codec struct?
>
> You're supposed to use it for the data you use to call back into the
> underlying I/O code.

I don't understand. What 'data'?

Surely if .read and .write are populated in 'struct
snd_soc_codec_driver', then it should just call back into those?

--
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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