1 files changed, 30 insertions, 10 deletions

diff --git a/kernel/drivers/regulator/arizona-ldo1.c b/kernel/drivers/regulator/arizona-ldo1.c
index a1d07d347..f7c88ff90 100644
--- a/kernel/drivers/regulator/arizona-ldo1.c
+++ b/kernel/drivers/regulator/arizona-ldo1.c
@@ -17,6 +17,7 @@
 #include <linux/bitops.h>
 #include <linux/err.h>
 #include <linux/of.h>
+#include <linux/of_gpio.h>
 #include <linux/platform_device.h>
 #include <linux/regulator/driver.h>
 #include <linux/regulator/machine.h>
@@ -78,11 +79,6 @@ static int arizona_ldo1_hc_set_voltage_sel(struct regulator_dev *rdev,
 	if (ret != 0)
 		return ret;
 
-	ret = regmap_update_bits(regmap, ARIZONA_DYNAMIC_FREQUENCY_SCALING_1,
-				 ARIZONA_SUBSYS_MAX_FREQ, val);
-	if (ret != 0)
-		return ret;
-
 	if (val)
 		return 0;
 
@@ -178,19 +174,38 @@ static const struct regulator_init_data arizona_ldo1_default = {
 	.num_consumer_supplies = 1,
 };
 
+static const struct regulator_init_data arizona_ldo1_wm5110 = {
+	.constraints = {
+		.min_uV = 1175000,
+		.max_uV = 1200000,
+		.valid_ops_mask = REGULATOR_CHANGE_STATUS |
+				  REGULATOR_CHANGE_VOLTAGE,
+	},
+	.num_consumer_supplies = 1,
+};
+
 static int arizona_ldo1_of_get_pdata(struct arizona *arizona,
 				     struct regulator_config *config,
 				     const struct regulator_desc *desc)
 {
 	struct arizona_pdata *pdata = &arizona->pdata;
 	struct arizona_ldo1 *ldo1 = config->driver_data;
+	struct device_node *np = arizona->dev->of_node;
 	struct device_node *init_node, *dcvdd_node;
 	struct regulator_init_data *init_data;
 
-	pdata->ldoena = arizona_of_get_named_gpio(arizona, "wlf,ldoena", true);
+	pdata->ldoena = of_get_named_gpio(np, "wlf,ldoena", 0);
+	if (pdata->ldoena < 0) {
+		dev_warn(arizona->dev,
+			 "LDOENA GPIO property missing/malformed: %d\n",
+			 pdata->ldoena);
+		pdata->ldoena = 0;
+	} else {
+		config->ena_gpio_initialized = true;
+	}
 
-	init_node = of_get_child_by_name(arizona->dev->of_node, "ldo1");
-	dcvdd_node = of_parse_phandle(arizona->dev->of_node, "DCVDD-supply", 0);
+	init_node = of_get_child_by_name(np, "ldo1");
+	dcvdd_node = of_parse_phandle(np, "DCVDD-supply", 0);
 
 	if (init_node) {
 		config->of_node = init_node;
@@ -240,9 +255,16 @@ static int arizona_ldo1_probe(struct platform_device *pdev)
 	switch (arizona->type) {
 	case WM5102:
 	case WM8997:
+	case WM8998:
+	case WM1814:
 		desc = &arizona_ldo1_hc;
 		ldo1->init_data = arizona_ldo1_dvfs;
 		break;
+	case WM5110:
+	case WM8280:
+		desc = &arizona_ldo1;
+		ldo1->init_data = arizona_ldo1_wm5110;
+		break;
 	default:
 		desc = &arizona_ldo1;
 		ldo1->init_data = arizona_ldo1_default;
@@ -262,8 +284,6 @@ static int arizona_ldo1_probe(struct platform_device *pdev)
 			ret = arizona_ldo1_of_get_pdata(arizona, &config, desc);
 			if (ret < 0)
 				return ret;
-
-			config.ena_gpio_initialized = true;
 		}
 	}