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authorAxel Lin <axel.lin@ingics.com>2012-10-11 22:03:51 +0800
committerGuenter Roeck <linux@roeck-us.net>2012-12-05 10:55:55 -0800
commitd9b24e373d160ffd56633cc9a4b2e4013c2682d1 (patch)
treeb6b3ff4d07309a29f8cad97e673ff04bbeb10513 /drivers/hwmon/da9052-hwmon.c
parent72cbdddcc158fa52056619b81624df0cd9125a26 (diff)
hwmon: da9052: Use da9052_reg_update for rmw operations
Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/da9052-hwmon.c')
-rw-r--r--drivers/hwmon/da9052-hwmon.c27
1 files changed, 7 insertions, 20 deletions
diff --git a/drivers/hwmon/da9052-hwmon.c b/drivers/hwmon/da9052-hwmon.c
index b8d01c5f5713..19704948801c 100644
--- a/drivers/hwmon/da9052-hwmon.c
+++ b/drivers/hwmon/da9052-hwmon.c
@@ -60,30 +60,17 @@ static inline int vbbat_reg_to_mV(int value)
return DIV_ROUND_CLOSEST(value * 2500, 512);
}
-static int da9052_enable_vddout_channel(struct da9052 *da9052)
+static inline int da9052_enable_vddout_channel(struct da9052 *da9052)
{
- int ret;
-
- ret = da9052_reg_read(da9052, DA9052_ADC_CONT_REG);
- if (ret < 0)
- return ret;
-
- ret |= DA9052_ADCCONT_AUTOVDDEN;
-
- return da9052_reg_write(da9052, DA9052_ADC_CONT_REG, ret);
+ return da9052_reg_update(da9052, DA9052_ADC_CONT_REG,
+ DA9052_ADCCONT_AUTOVDDEN,
+ DA9052_ADCCONT_AUTOVDDEN);
}
-static int da9052_disable_vddout_channel(struct da9052 *da9052)
+static inline int da9052_disable_vddout_channel(struct da9052 *da9052)
{
- int ret;
-
- ret = da9052_reg_read(da9052, DA9052_ADC_CONT_REG);
- if (ret < 0)
- return ret;
-
- ret &= ~DA9052_ADCCONT_AUTOVDDEN;
-
- return da9052_reg_write(da9052, DA9052_ADC_CONT_REG, ret);
+ return da9052_reg_update(da9052, DA9052_ADC_CONT_REG,
+ DA9052_ADCCONT_AUTOVDDEN, 0);
}
static ssize_t da9052_read_vddout(struct device *dev,