From: Axel Lin <axel.lin@ingics.com>
To: linux-kernel@vger.kernel.org
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>,
Chanwoo Choi <cw00.choi@samsung.com>
Subject: [PATCH] extcon: max77693: Use max77693_update_reg for rmw operations
Date: Tue, 02 Oct 2012 23:59:44 +0800 [thread overview]
Message-ID: <1349193584.14338.3.camel@phoenix> (raw)
This simplifies the code.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
drivers/extcon/extcon-max77693.c | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)
diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c
index e21387e..e0ed622 100644
--- a/drivers/extcon/extcon-max77693.c
+++ b/drivers/extcon/extcon-max77693.c
@@ -239,25 +239,19 @@ const char *max77693_extcon_cable[] = {
static int max77693_muic_set_debounce_time(struct max77693_muic_info *info,
enum max77693_muic_adc_debounce_time time)
{
- int ret = 0;
- u8 ctrl3;
+ int ret;
switch (time) {
case ADC_DEBOUNCE_TIME_5MS:
case ADC_DEBOUNCE_TIME_10MS:
case ADC_DEBOUNCE_TIME_25MS:
case ADC_DEBOUNCE_TIME_38_62MS:
- ret = max77693_read_reg(info->max77693->regmap_muic,
- MAX77693_MUIC_REG_CTRL3, &ctrl3);
- ctrl3 &= ~CONTROL3_ADCDBSET_MASK;
- ctrl3 |= (time << CONTROL3_ADCDBSET_SHIFT);
-
- ret = max77693_write_reg(info->max77693->regmap_muic,
- MAX77693_MUIC_REG_CTRL3, ctrl3);
- if (ret) {
+ ret = max77693_update_reg(info->max77693->regmap_muic,
+ MAX77693_MUIC_REG_CTRL3,
+ time << CONTROL3_ADCDBSET_SHIFT,
+ CONTROL3_ADCDBSET_MASK);
+ if (ret)
dev_err(info->dev, "failed to set ADC debounce time\n");
- ret = -EINVAL;
- }
break;
default:
dev_err(info->dev, "invalid ADC debounce time\n");
--
1.7.9.5
next reply other threads:[~2012-10-02 15:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-02 15:59 Axel Lin [this message]
2012-10-04 1:33 ` [PATCH] extcon: max77693: Use max77693_update_reg for rmw operations Chanwoo Choi
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