[PATCH] regulator: qcom_spmi: Improve readability for setting up enable/mode pin control

From: Axel Lin
Date: Sat Aug 01 2020 - 01:49:28 EST


By checking data->pin_ctrl_enable / data->pin_ctrl_hpm flags first, then
use switch-case to improve readability.

Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx>
---
drivers/regulator/qcom_spmi-regulator.c | 70 ++++++++++++-------------
1 file changed, 34 insertions(+), 36 deletions(-)

diff --git a/drivers/regulator/qcom_spmi-regulator.c b/drivers/regulator/qcom_spmi-regulator.c
index 5ee7c5305d95..05080483fe1b 100644
--- a/drivers/regulator/qcom_spmi-regulator.c
+++ b/drivers/regulator/qcom_spmi-regulator.c
@@ -1633,45 +1633,43 @@ static int spmi_regulator_init_registers(struct spmi_regulator *vreg,
return ret;

/* Set up enable pin control. */
- if ((type == SPMI_REGULATOR_LOGICAL_TYPE_SMPS
- || type == SPMI_REGULATOR_LOGICAL_TYPE_LDO
- || type == SPMI_REGULATOR_LOGICAL_TYPE_VS)
- && !(data->pin_ctrl_enable
- & SPMI_REGULATOR_PIN_CTRL_ENABLE_HW_DEFAULT)) {
- ctrl_reg[SPMI_COMMON_IDX_ENABLE] &=
- ~SPMI_COMMON_ENABLE_FOLLOW_ALL_MASK;
- ctrl_reg[SPMI_COMMON_IDX_ENABLE] |=
- data->pin_ctrl_enable & SPMI_COMMON_ENABLE_FOLLOW_ALL_MASK;
+ if (!(data->pin_ctrl_enable & SPMI_REGULATOR_PIN_CTRL_ENABLE_HW_DEFAULT)) {
+ switch (type) {
+ case SPMI_REGULATOR_LOGICAL_TYPE_SMPS:
+ case SPMI_REGULATOR_LOGICAL_TYPE_LDO:
+ case SPMI_REGULATOR_LOGICAL_TYPE_VS:
+ ctrl_reg[SPMI_COMMON_IDX_ENABLE] &=
+ ~SPMI_COMMON_ENABLE_FOLLOW_ALL_MASK;
+ ctrl_reg[SPMI_COMMON_IDX_ENABLE] |=
+ data->pin_ctrl_enable & SPMI_COMMON_ENABLE_FOLLOW_ALL_MASK;
+ break;
+ default:
+ break;
+ }
}

/* Set up mode pin control. */
- if ((type == SPMI_REGULATOR_LOGICAL_TYPE_SMPS
- || type == SPMI_REGULATOR_LOGICAL_TYPE_LDO)
- && !(data->pin_ctrl_hpm
- & SPMI_REGULATOR_PIN_CTRL_HPM_HW_DEFAULT)) {
- ctrl_reg[SPMI_COMMON_IDX_MODE] &=
- ~SPMI_COMMON_MODE_FOLLOW_ALL_MASK;
- ctrl_reg[SPMI_COMMON_IDX_MODE] |=
- data->pin_ctrl_hpm & SPMI_COMMON_MODE_FOLLOW_ALL_MASK;
- }
-
- if (type == SPMI_REGULATOR_LOGICAL_TYPE_VS
- && !(data->pin_ctrl_hpm & SPMI_REGULATOR_PIN_CTRL_HPM_HW_DEFAULT)) {
- ctrl_reg[SPMI_COMMON_IDX_MODE] &=
- ~SPMI_COMMON_MODE_FOLLOW_AWAKE_MASK;
- ctrl_reg[SPMI_COMMON_IDX_MODE] |=
- data->pin_ctrl_hpm & SPMI_COMMON_MODE_FOLLOW_AWAKE_MASK;
- }
-
- if ((type == SPMI_REGULATOR_LOGICAL_TYPE_ULT_LO_SMPS
- || type == SPMI_REGULATOR_LOGICAL_TYPE_ULT_HO_SMPS
- || type == SPMI_REGULATOR_LOGICAL_TYPE_ULT_LDO)
- && !(data->pin_ctrl_hpm
- & SPMI_REGULATOR_PIN_CTRL_HPM_HW_DEFAULT)) {
- ctrl_reg[SPMI_COMMON_IDX_MODE] &=
- ~SPMI_COMMON_MODE_FOLLOW_AWAKE_MASK;
- ctrl_reg[SPMI_COMMON_IDX_MODE] |=
- data->pin_ctrl_hpm & SPMI_COMMON_MODE_FOLLOW_AWAKE_MASK;
+ if (!(data->pin_ctrl_hpm & SPMI_REGULATOR_PIN_CTRL_HPM_HW_DEFAULT)) {
+ switch (type) {
+ case SPMI_REGULATOR_LOGICAL_TYPE_SMPS:
+ case SPMI_REGULATOR_LOGICAL_TYPE_LDO:
+ ctrl_reg[SPMI_COMMON_IDX_MODE] &=
+ ~SPMI_COMMON_MODE_FOLLOW_ALL_MASK;
+ ctrl_reg[SPMI_COMMON_IDX_MODE] |=
+ data->pin_ctrl_hpm & SPMI_COMMON_MODE_FOLLOW_ALL_MASK;
+ break;
+ case SPMI_REGULATOR_LOGICAL_TYPE_VS:
+ case SPMI_REGULATOR_LOGICAL_TYPE_ULT_LO_SMPS:
+ case SPMI_REGULATOR_LOGICAL_TYPE_ULT_HO_SMPS:
+ case SPMI_REGULATOR_LOGICAL_TYPE_ULT_LDO:
+ ctrl_reg[SPMI_COMMON_IDX_MODE] &=
+ ~SPMI_COMMON_MODE_FOLLOW_AWAKE_MASK;
+ ctrl_reg[SPMI_COMMON_IDX_MODE] |=
+ data->pin_ctrl_hpm & SPMI_COMMON_MODE_FOLLOW_AWAKE_MASK;
+ break;
+ default:
+ break;
+ }
}

/* Write back any control register values that were modified. */
--
2.25.1