diff options
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/atc260x-regulator.c | 1 | ||||
| -rw-r--r-- | drivers/regulator/qcom_smd-regulator.c | 4 | ||||
| -rw-r--r-- | drivers/regulator/rpi-panel-attiny-regulator.c | 56 | ||||
| -rw-r--r-- | drivers/regulator/rtq2134-regulator.c | 1 |
4 files changed, 51 insertions, 11 deletions
diff --git a/drivers/regulator/atc260x-regulator.c b/drivers/regulator/atc260x-regulator.c index 05147d2c3842..485e58b264c0 100644 --- a/drivers/regulator/atc260x-regulator.c +++ b/drivers/regulator/atc260x-regulator.c @@ -292,6 +292,7 @@ enum atc2603c_reg_ids { .bypass_mask = BIT(5), \ .active_discharge_reg = ATC2603C_PMU_SWITCH_CTL, \ .active_discharge_mask = BIT(1), \ + .active_discharge_on = BIT(1), \ .owner = THIS_MODULE, \ } diff --git a/drivers/regulator/qcom_smd-regulator.c b/drivers/regulator/qcom_smd-regulator.c index 8e077792bddd..b6287f7e78f4 100644 --- a/drivers/regulator/qcom_smd-regulator.c +++ b/drivers/regulator/qcom_smd-regulator.c @@ -1268,8 +1268,10 @@ static int rpm_reg_probe(struct platform_device *pdev) for_each_available_child_of_node(dev->of_node, node) { vreg = devm_kzalloc(&pdev->dev, sizeof(*vreg), GFP_KERNEL); - if (!vreg) + if (!vreg) { + of_node_put(node); return -ENOMEM; + } ret = rpm_regulator_init_vreg(vreg, dev, node, rpm, vreg_data); diff --git a/drivers/regulator/rpi-panel-attiny-regulator.c b/drivers/regulator/rpi-panel-attiny-regulator.c index ee46bfbf5eee..991b4730d768 100644 --- a/drivers/regulator/rpi-panel-attiny-regulator.c +++ b/drivers/regulator/rpi-panel-attiny-regulator.c @@ -37,11 +37,24 @@ static const struct regmap_config attiny_regmap_config = { static int attiny_lcd_power_enable(struct regulator_dev *rdev) { unsigned int data; + int ret, i; regmap_write(rdev->regmap, REG_POWERON, 1); + msleep(80); + /* Wait for nPWRDWN to go low to indicate poweron is done. */ - regmap_read_poll_timeout(rdev->regmap, REG_PORTB, data, - data & BIT(0), 10, 1000000); + for (i = 0; i < 20; i++) { + ret = regmap_read(rdev->regmap, REG_PORTB, &data); + if (!ret) { + if (data & BIT(0)) + break; + } + usleep_range(10000, 12000); + } + usleep_range(10000, 12000); + + if (ret) + pr_err("%s: regmap_read_poll_timeout failed %d\n", __func__, ret); /* Default to the same orientation as the closed source * firmware used for the panel. Runtime rotation @@ -57,23 +70,34 @@ static int attiny_lcd_power_disable(struct regulator_dev *rdev) { regmap_write(rdev->regmap, REG_PWM, 0); regmap_write(rdev->regmap, REG_POWERON, 0); - udelay(1); + msleep(30); return 0; } static int attiny_lcd_power_is_enabled(struct regulator_dev *rdev) { unsigned int data; - int ret; + int ret, i; - ret = regmap_read(rdev->regmap, REG_POWERON, &data); + for (i = 0; i < 10; i++) { + ret = regmap_read(rdev->regmap, REG_POWERON, &data); + if (!ret) + break; + usleep_range(10000, 12000); + } if (ret < 0) return ret; if (!(data & BIT(0))) return 0; - ret = regmap_read(rdev->regmap, REG_PORTB, &data); + for (i = 0; i < 10; i++) { + ret = regmap_read(rdev->regmap, REG_PORTB, &data); + if (!ret) + break; + usleep_range(10000, 12000); + } + if (ret < 0) return ret; @@ -103,20 +127,32 @@ static int attiny_update_status(struct backlight_device *bl) { struct regmap *regmap = bl_get_data(bl); int brightness = bl->props.brightness; + int ret, i; if (bl->props.power != FB_BLANK_UNBLANK || bl->props.fb_blank != FB_BLANK_UNBLANK) brightness = 0; - return regmap_write(regmap, REG_PWM, brightness); + for (i = 0; i < 10; i++) { + ret = regmap_write(regmap, REG_PWM, brightness); + if (!ret) + break; + } + + return ret; } static int attiny_get_brightness(struct backlight_device *bl) { struct regmap *regmap = bl_get_data(bl); - int ret, brightness; + int ret, brightness, i; + + for (i = 0; i < 10; i++) { + ret = regmap_read(regmap, REG_PWM, &brightness); + if (!ret) + break; + } - ret = regmap_read(regmap, REG_PWM, &brightness); if (ret) return ret; @@ -166,7 +202,7 @@ static int attiny_i2c_probe(struct i2c_client *i2c, } regmap_write(regmap, REG_POWERON, 0); - mdelay(1); + msleep(30); config.dev = &i2c->dev; config.regmap = regmap; diff --git a/drivers/regulator/rtq2134-regulator.c b/drivers/regulator/rtq2134-regulator.c index f21e3f8b21f2..8e13dea354a2 100644 --- a/drivers/regulator/rtq2134-regulator.c +++ b/drivers/regulator/rtq2134-regulator.c @@ -285,6 +285,7 @@ static const unsigned int rtq2134_buck_ramp_delay_table[] = { .enable_mask = RTQ2134_VOUTEN_MASK, \ .active_discharge_reg = RTQ2134_REG_BUCK##_id##_CFG0, \ .active_discharge_mask = RTQ2134_ACTDISCHG_MASK, \ + .active_discharge_on = RTQ2134_ACTDISCHG_MASK, \ .ramp_reg = RTQ2134_REG_BUCK##_id##_RSPCFG, \ .ramp_mask = RTQ2134_RSPUP_MASK, \ .ramp_delay_table = rtq2134_buck_ramp_delay_table, \ |