Re: [PATCH 1/3] ASoC: twl4030: don't report EBUSY if no change requested.

[Mark Brown]

On Sat, Nov 08, 2014 at 11:38:03AM +1100, NeilBrown wrote:

> +	int val = ucontrol->value.integer.value[0];
> +
> +	if (!!(twl4030_read(codec, TWL4030_REG_CODEC_MODE)
> +	       & TWL4030_OPTION_1) == !!val)
> +		/* No change */
> +		return 0;

We shouldn't be accepting attempts to set out of range values so there
should be no need for the !! on val (which confused me when I was
reading this).

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