mfd: ucb1x00-assabet: Use DEVICE_ATTR_RO macro

Use DEVICE_ATTR_RO macro helper instead of plain DEVICE_ATTR, which makes
the code a bit shorter and easier to read.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Zhen Lei 2021-06-02 19:43:32 +08:00 committed by Lee Jones
parent 981ce06ab8
commit 47ed390bac

View File

@ -28,7 +28,7 @@ static ssize_t name##_show(struct device *dev, struct device_attribute *attr, \
ucb1x00_adc_disable(ucb); \
return sprintf(buf, "%d\n", val); \
} \
static DEVICE_ATTR(name,0444,name##_show,NULL)
static DEVICE_ATTR_RO(name)
UCB1X00_ATTR(vbatt, UCB_ADC_INP_AD1);
UCB1X00_ATTR(vcharger, UCB_ADC_INP_AD0);