diff options
| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2022-11-15 14:11:42 -0800 |
|---|---|---|
| committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2022-12-07 17:58:47 +0100 |
| commit | 87b5aeeb49980fb0c10a4d1b6590066e96f4801b (patch) | |
| tree | cdb1dc7461ea821b37f5fc2b1766d521a820ca63 /drivers/media/i2c/s5k6a3.c | |
| parent | 932d87c6eaa18469fbb51dd67a8ff0f09ea2c0d8 (diff) | |
| download | linux-87b5aeeb49980fb0c10a4d1b6590066e96f4801b.tar.bz2 | |
media: i2c: s5k6a3: switch to using gpiod API
This patch switches the driver away from legacy gpio/of_gpio API to
gpiod API, and removes one of the last uses of of_get_gpio_flags().
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Tommaso Merciai <tommaso.merciai@amarulasolutions.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'drivers/media/i2c/s5k6a3.c')
| -rw-r--r-- | drivers/media/i2c/s5k6a3.c | 30 |
1 files changed, 11 insertions, 19 deletions
diff --git a/drivers/media/i2c/s5k6a3.c b/drivers/media/i2c/s5k6a3.c index a4efd6d10b43..ef6673b10580 100644 --- a/drivers/media/i2c/s5k6a3.c +++ b/drivers/media/i2c/s5k6a3.c @@ -9,12 +9,12 @@ #include <linux/clk.h> #include <linux/delay.h> #include <linux/device.h> +#include <linux/err.h> #include <linux/errno.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/kernel.h> #include <linux/module.h> -#include <linux/of_gpio.h> #include <linux/pm_runtime.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> @@ -59,7 +59,7 @@ struct s5k6a3 { struct v4l2_subdev subdev; struct media_pad pad; struct regulator_bulk_data supplies[S5K6A3_NUM_SUPPLIES]; - int gpio_reset; + struct gpio_desc *gpio_reset; struct mutex lock; struct v4l2_mbus_framefmt format; struct clk *clock; @@ -216,11 +216,11 @@ static int __s5k6a3_power_on(struct s5k6a3 *sensor) goto error_clk; } - gpio_set_value(sensor->gpio_reset, 1); + gpiod_set_value_cansleep(sensor->gpio_reset, 0); usleep_range(600, 800); - gpio_set_value(sensor->gpio_reset, 0); + gpiod_set_value_cansleep(sensor->gpio_reset, 1); usleep_range(600, 800); - gpio_set_value(sensor->gpio_reset, 1); + gpiod_set_value_cansleep(sensor->gpio_reset, 0); /* Delay needed for the sensor initialization */ msleep(20); @@ -240,7 +240,7 @@ static int __s5k6a3_power_off(struct s5k6a3 *sensor) { int i; - gpio_set_value(sensor->gpio_reset, 0); + gpiod_set_value_cansleep(sensor->gpio_reset, 1); for (i = S5K6A3_NUM_SUPPLIES - 1; i >= 0; i--) regulator_disable(sensor->supplies[i].consumer); @@ -285,32 +285,24 @@ static int s5k6a3_probe(struct i2c_client *client) struct device *dev = &client->dev; struct s5k6a3 *sensor; struct v4l2_subdev *sd; - int gpio, i, ret; + int i, ret; sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); if (!sensor) return -ENOMEM; mutex_init(&sensor->lock); - sensor->gpio_reset = -EINVAL; - sensor->clock = ERR_PTR(-EINVAL); sensor->dev = dev; sensor->clock = devm_clk_get(sensor->dev, S5K6A3_CLK_NAME); if (IS_ERR(sensor->clock)) return PTR_ERR(sensor->clock); - gpio = of_get_gpio_flags(dev->of_node, 0, NULL); - if (!gpio_is_valid(gpio)) - return gpio; - - ret = devm_gpio_request_one(dev, gpio, GPIOF_OUT_INIT_LOW, - S5K6A3_DRV_NAME); - if (ret < 0) + sensor->gpio_reset = devm_gpiod_get(dev, NULL, GPIOD_OUT_HIGH); + ret = PTR_ERR_OR_ZERO(sensor->gpio_reset); + if (ret) return ret; - sensor->gpio_reset = gpio; - if (of_property_read_u32(dev->of_node, "clock-frequency", &sensor->clock_frequency)) { sensor->clock_frequency = S5K6A3_DEFAULT_CLK_FREQ; |