lkml.org 
[lkml]   [2012]   [Oct]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Subject[PATCH] hwmon: da9052: Use da9052_reg_update for rmw operations
From
Date
Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
drivers/hwmon/da9052-hwmon.c | 27 +++++++--------------------
1 file changed, 7 insertions(+), 20 deletions(-)

diff --git a/drivers/hwmon/da9052-hwmon.c b/drivers/hwmon/da9052-hwmon.c
index b8d01c5..1970494 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,
--
1.7.9.5




\
 
 \ /
  Last update: 2012-10-11 16:41    [W:0.112 / U:0.116 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site