Re: [PATCH 01/10] ASoC: wm8510: Convert to snd_soc_cache_sync

[Mark Brown]

On Thu, Oct 06, 2011 at 02:11:43PM +0800, Axel Lin wrote:

> +static int wm8510_volatile_register(struct snd_soc_codec *codec,
> +				    unsigned int reg)
> +{
> +	switch (reg) {
> +	case WM8510_RESET:
> +		return 1;
> +	default:
> +		return 0;
> +	}
> +}
> +

This is wrong in quite a few of the patches - all the 7, 9 CODECs are
write only, there's no readback support at all (in general if the driver
isn't actully verifying a device ID or otherwise doing a physical read
then it probably doesn't support readback).
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