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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2022-11-15 23:11:42 +0100
committerHans Verkuil <hverkuil-cisco@xs4all.nl>2022-12-07 17:58:47 +0100
commit87b5aeeb49980fb0c10a4d1b6590066e96f4801b (patch)
treecdb1dc7461ea821b37f5fc2b1766d521a820ca63 /drivers/media
parentmedia: imx: remove code for non-existing config IMX_GPT_ICAP (diff)
downloadlinux-87b5aeeb49980fb0c10a4d1b6590066e96f4801b.tar.xz
linux-87b5aeeb49980fb0c10a4d1b6590066e96f4801b.zip
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')
-rw-r--r--drivers/media/i2c/s5k6a3.c30
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;