ASoC: tlv320aic26: use DEVICE_ATTR_RW macro
Use DEVICE_ATTR_RW() helper instead of plain DEVICE_ATTR(), which makes the code a bit shorter and easier to read. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Message-Id: <20210524115131.46288-1-yuehaibing@huawei.com> Signed-off-by: Mark Brown <broonie@sirena.org.uk>
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