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path: root/drivers/media/i2c/mt9p031.c
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Diffstat (limited to 'drivers/media/i2c/mt9p031.c')
-rw-r--r--drivers/media/i2c/mt9p031.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/drivers/media/i2c/mt9p031.c b/drivers/media/i2c/mt9p031.c
index 1abc86e..4734836 100644
--- a/drivers/media/i2c/mt9p031.c
+++ b/drivers/media/i2c/mt9p031.c
@@ -125,9 +125,7 @@ struct mt9p031 {
int power_count;
struct clk *clk;
- struct regulator *vaa;
- struct regulator *vdd;
- struct regulator *vdd_io;
+ struct regulator_bulk_data regulators[3];
enum mt9p031_model model;
struct aptina_pll pll;
@@ -272,6 +270,8 @@ static inline int mt9p031_pll_disable(struct mt9p031 *mt9p031)
static int mt9p031_power_on(struct mt9p031 *mt9p031)
{
+ int ret;
+
/* Ensure RESET_BAR is low */
if (gpio_is_valid(mt9p031->reset)) {
gpio_set_value(mt9p031->reset, 0);
@@ -279,9 +279,10 @@ static int mt9p031_power_on(struct mt9p031 *mt9p031)
}
/* Bring up the supplies */
- regulator_enable(mt9p031->vdd);
- regulator_enable(mt9p031->vdd_io);
- regulator_enable(mt9p031->vaa);
+ ret = regulator_bulk_enable(ARRAY_SIZE(mt9p031->regulators),
+ mt9p031->regulators);
+ if (ret < 0)
+ return ret;
/* Emable clock */
if (mt9p031->clk)
@@ -303,9 +304,8 @@ static void mt9p031_power_off(struct mt9p031 *mt9p031)
usleep_range(1000, 2000);
}
- regulator_disable(mt9p031->vaa);
- regulator_disable(mt9p031->vdd_io);
- regulator_disable(mt9p031->vdd);
+ regulator_bulk_disable(ARRAY_SIZE(mt9p031->regulators),
+ mt9p031->regulators);
if (mt9p031->clk)
clk_disable_unprepare(mt9p031->clk);
@@ -985,14 +985,14 @@ static int mt9p031_probe(struct i2c_client *client,
mt9p031->model = did->driver_data;
mt9p031->reset = -1;
- mt9p031->vaa = devm_regulator_get(&client->dev, "vaa");
- mt9p031->vdd = devm_regulator_get(&client->dev, "vdd");
- mt9p031->vdd_io = devm_regulator_get(&client->dev, "vdd_io");
+ mt9p031->regulators[0].supply = "vdd";
+ mt9p031->regulators[1].supply = "vdd_io";
+ mt9p031->regulators[2].supply = "vaa";
- if (IS_ERR(mt9p031->vaa) || IS_ERR(mt9p031->vdd) ||
- IS_ERR(mt9p031->vdd_io)) {
+ ret = devm_regulator_bulk_get(&client->dev, 3, mt9p031->regulators);
+ if (ret < 0) {
dev_err(&client->dev, "Unable to get regulators\n");
- return -ENODEV;
+ return ret;
}
v4l2_ctrl_handler_init(&mt9p031->ctrls, ARRAY_SIZE(mt9p031_ctrls) + 6);