Re: [PATCH 07/21] ASoC: io: Prevent use of regmap if request fails

[Lee Jones]

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 â Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/