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authorJeffrey Hugo <jeffrey.l.hugo@gmail.com>2019-06-14 00:25:31 +0300
committerMark Brown <broonie@kernel.org>2019-06-17 17:50:11 +0300
commitba576a6232dc06605f4edfaeea9b526ba7724f84 (patch)
treef269ddb88b285247254ea34ed302cf8424e9120a /drivers/regulator
parent86f4ff7a0c0cd8e391ffa4dd0edb82ae0eedcc9e (diff)
downloadlinux-ba576a6232dc06605f4edfaeea9b526ba7724f84.tar.xz
regulator: qcom_spmi: Refactor get_mode/set_mode
spmi_regulator_common_get_mode and spmi_regulator_common_set_mode use multi-level ifs which mirror a switch statement. Refactor to use a switch statement to make the code flow more clear. Signed-off-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/qcom_spmi-regulator.c26
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/regulator/qcom_spmi-regulator.c b/drivers/regulator/qcom_spmi-regulator.c
index 42c429d50743..1b3383a24c9d 100644
--- a/drivers/regulator/qcom_spmi-regulator.c
+++ b/drivers/regulator/qcom_spmi-regulator.c
@@ -911,13 +911,16 @@ static unsigned int spmi_regulator_common_get_mode(struct regulator_dev *rdev)
spmi_vreg_read(vreg, SPMI_COMMON_REG_MODE, &reg, 1);
- if (reg & SPMI_COMMON_MODE_HPM_MASK)
- return REGULATOR_MODE_NORMAL;
+ reg &= SPMI_COMMON_MODE_HPM_MASK | SPMI_COMMON_MODE_AUTO_MASK;
- if (reg & SPMI_COMMON_MODE_AUTO_MASK)
+ switch (reg) {
+ case SPMI_COMMON_MODE_HPM_MASK:
+ return REGULATOR_MODE_NORMAL;
+ case SPMI_COMMON_MODE_AUTO_MASK:
return REGULATOR_MODE_FAST;
-
- return REGULATOR_MODE_IDLE;
+ default:
+ return REGULATOR_MODE_IDLE;
+ }
}
static int
@@ -925,12 +928,19 @@ spmi_regulator_common_set_mode(struct regulator_dev *rdev, unsigned int mode)
{
struct spmi_regulator *vreg = rdev_get_drvdata(rdev);
u8 mask = SPMI_COMMON_MODE_HPM_MASK | SPMI_COMMON_MODE_AUTO_MASK;
- u8 val = 0;
+ u8 val;
- if (mode == REGULATOR_MODE_NORMAL)
+ switch (mode) {
+ case REGULATOR_MODE_NORMAL:
val = SPMI_COMMON_MODE_HPM_MASK;
- else if (mode == REGULATOR_MODE_FAST)
+ break;
+ case REGULATOR_MODE_FAST:
val = SPMI_COMMON_MODE_AUTO_MASK;
+ break;
+ default:
+ val = 0;
+ break;
+ }
return spmi_vreg_update_bits(vreg, SPMI_COMMON_REG_MODE, val, mask);
}