iio: tsl2772: Use regulator_bulk_() APIs
Use regulator_bulk_() APIs to shrink driver size.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Reviewed-by: Brian Masney <masneyb@onstation.org>
Tested-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
diff --git a/drivers/iio/light/tsl2772.c b/drivers/iio/light/tsl2772.c
index 680afdb..be37fcb 100644
--- a/drivers/iio/light/tsl2772.c
+++ b/drivers/iio/light/tsl2772.c
@@ -134,6 +134,12 @@
TSL2772_CHIP_SUSPENDED = 2
};
+enum {
+ TSL2772_SUPPLY_VDD = 0,
+ TSL2772_SUPPLY_VDDIO = 1,
+ TSL2772_NUM_SUPPLIES = 2
+};
+
/* Per-device data */
struct tsl2772_als_info {
u16 als_ch0;
@@ -161,8 +167,7 @@
struct mutex prox_mutex;
struct mutex als_mutex;
struct i2c_client *client;
- struct regulator *vdd_supply;
- struct regulator *vddio_supply;
+ struct regulator_bulk_data supplies[TSL2772_NUM_SUPPLIES];
u16 prox_data;
struct tsl2772_als_info als_cur_info;
struct tsl2772_settings settings;
@@ -697,46 +702,7 @@
{
struct tsl2772_chip *chip = _data;
- regulator_disable(chip->vdd_supply);
- regulator_disable(chip->vddio_supply);
-}
-
-static int tsl2772_enable_regulator(struct tsl2772_chip *chip,
- struct regulator *regulator)
-{
- int ret;
-
- ret = regulator_enable(regulator);
- if (ret < 0) {
- dev_err(&chip->client->dev, "Failed to enable regulator: %d\n",
- ret);
- return ret;
- }
-
- return 0;
-}
-
-static struct regulator *tsl2772_get_regulator(struct tsl2772_chip *chip,
- char *name)
-{
- struct regulator *regulator;
- int ret;
-
- regulator = devm_regulator_get(&chip->client->dev, name);
- if (IS_ERR(regulator)) {
- if (PTR_ERR(regulator) != -EPROBE_DEFER)
- dev_err(&chip->client->dev,
- "Failed to get %s regulator %d\n",
- name, (int)PTR_ERR(regulator));
-
- return regulator;
- }
-
- ret = tsl2772_enable_regulator(chip, regulator);
- if (ret < 0)
- return ERR_PTR(ret);
-
- return regulator;
+ regulator_bulk_disable(ARRAY_SIZE(chip->supplies), chip->supplies);
}
static int tsl2772_chip_on(struct iio_dev *indio_dev)
@@ -1804,14 +1770,26 @@
chip->client = clientp;
i2c_set_clientdata(clientp, indio_dev);
- chip->vddio_supply = tsl2772_get_regulator(chip, "vddio");
- if (IS_ERR(chip->vddio_supply))
- return PTR_ERR(chip->vddio_supply);
+ chip->supplies[TSL2772_SUPPLY_VDD].supply = "vdd";
+ chip->supplies[TSL2772_SUPPLY_VDDIO].supply = "vddio";
- chip->vdd_supply = tsl2772_get_regulator(chip, "vdd");
- if (IS_ERR(chip->vdd_supply)) {
- regulator_disable(chip->vddio_supply);
- return PTR_ERR(chip->vdd_supply);
+ ret = devm_regulator_bulk_get(&clientp->dev,
+ ARRAY_SIZE(chip->supplies),
+ chip->supplies);
+ if (ret < 0) {
+ if (ret != -EPROBE_DEFER)
+ dev_err(&clientp->dev,
+ "Failed to get regulators: %d\n",
+ ret);
+
+ return ret;
+ }
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(chip->supplies), chip->supplies);
+ if (ret < 0) {
+ dev_err(&clientp->dev, "Failed to enable regulators: %d\n",
+ ret);
+ return ret;
}
ret = devm_add_action_or_reset(&clientp->dev,
@@ -1900,8 +1878,7 @@
int ret;
ret = tsl2772_chip_off(indio_dev);
- regulator_disable(chip->vdd_supply);
- regulator_disable(chip->vddio_supply);
+ regulator_bulk_disable(ARRAY_SIZE(chip->supplies), chip->supplies);
return ret;
}
@@ -1912,16 +1889,10 @@
struct tsl2772_chip *chip = iio_priv(indio_dev);
int ret;
- ret = tsl2772_enable_regulator(chip, chip->vddio_supply);
+ ret = regulator_bulk_enable(ARRAY_SIZE(chip->supplies), chip->supplies);
if (ret < 0)
return ret;
- ret = tsl2772_enable_regulator(chip, chip->vdd_supply);
- if (ret < 0) {
- regulator_disable(chip->vddio_supply);
- return ret;
- }
-
usleep_range(TSL2772_BOOT_MIN_SLEEP_TIME, TSL2772_BOOT_MAX_SLEEP_TIME);
return tsl2772_chip_on(indio_dev);
