media: ov5645: Remove unneeded regulator_set_voltage()
authorFabio Estevam <festevam@gmail.com>
Thu, 27 Jun 2019 18:22:30 +0000 (14:22 -0400)
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Thu, 25 Jul 2019 10:35:36 +0000 (06:35 -0400)
There is no need to call regulator_set_voltage() for each regulator
that powers the camera.

The voltage value for each regulator should be retrieved from the
device tree, so remove the unneeded regulator_set_voltage().

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
drivers/media/i2c/ov5645.c

index 124c8df..4e302dc 100644 (file)
 #include <media/v4l2-fwnode.h>
 #include <media/v4l2-subdev.h>
 
-#define OV5645_VOLTAGE_ANALOG               2800000
-#define OV5645_VOLTAGE_DIGITAL_CORE         1500000
-#define OV5645_VOLTAGE_DIGITAL_IO           1800000
-
 #define OV5645_SYSTEM_CTRL0            0x3008
 #define                OV5645_SYSTEM_CTRL0_START       0x02
 #define                OV5645_SYSTEM_CTRL0_STOP        0x42
@@ -1156,42 +1152,18 @@ static int ov5645_probe(struct i2c_client *client,
                return PTR_ERR(ov5645->io_regulator);
        }
 
-       ret = regulator_set_voltage(ov5645->io_regulator,
-                                   OV5645_VOLTAGE_DIGITAL_IO,
-                                   OV5645_VOLTAGE_DIGITAL_IO);
-       if (ret < 0) {
-               dev_err(dev, "cannot set io voltage\n");
-               return ret;
-       }
-
        ov5645->core_regulator = devm_regulator_get(dev, "vddd");
        if (IS_ERR(ov5645->core_regulator)) {
                dev_err(dev, "cannot get core regulator\n");
                return PTR_ERR(ov5645->core_regulator);
        }
 
-       ret = regulator_set_voltage(ov5645->core_regulator,
-                                   OV5645_VOLTAGE_DIGITAL_CORE,
-                                   OV5645_VOLTAGE_DIGITAL_CORE);
-       if (ret < 0) {
-               dev_err(dev, "cannot set core voltage\n");
-               return ret;
-       }
-
        ov5645->analog_regulator = devm_regulator_get(dev, "vdda");
        if (IS_ERR(ov5645->analog_regulator)) {
                dev_err(dev, "cannot get analog regulator\n");
                return PTR_ERR(ov5645->analog_regulator);
        }
 
-       ret = regulator_set_voltage(ov5645->analog_regulator,
-                                   OV5645_VOLTAGE_ANALOG,
-                                   OV5645_VOLTAGE_ANALOG);
-       if (ret < 0) {
-               dev_err(dev, "cannot set analog voltage\n");
-               return ret;
-       }
-
        ov5645->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH);
        if (IS_ERR(ov5645->enable_gpio)) {
                dev_err(dev, "cannot get enable gpio\n");