[PATCH -next] ASoC: cs42l56: use DEVICE_ATTR_WO macro

[Charles Keepax]

On Mon, May 24, 2021 at 07:45:03PM +0800, YueHaibing wrote:
> Use DEVICE_ATTR_WO() helper instead of plain DEVICE_ATTR(),
> which makes the code a bit shorter and easier to read.
> 
> Signed-off-by: YueHaibing <yuehaibing at huawei.com>
> ---

Reviewed-by: Charles Keepax <ckeepax at opensource.cirrus.com>

Thanks,
Charles