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authorMartin Kepplinger <martin.kepplinger@ginzinger.com>2019-02-09 19:53:13 +0300
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2019-02-17 08:39:39 +0300
commite3dd12f0eacc52ddf5cd4e6651e09daebcb25f0e (patch)
tree719312e901f35f4187680a71c7ec015777b5f80c /drivers/input/touchscreen
parentf67cc3e927d8414ad3872e046764534ea1f5db0d (diff)
downloadlinux-e3dd12f0eacc52ddf5cd4e6651e09daebcb25f0e.tar.xz
Input: st1232 - switch to gpiod API
Use devm_gpiod_get_optional() and gpiod_set_value_cansleep() instead of the old API. The st1232_ts_power() now passes on the inverted "poweron" value to reflect the correct logical value. Signed-off-by: Martin Kepplinger <martin.kepplinger@ginzinger.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/touchscreen')
-rw-r--r--drivers/input/touchscreen/st1232.c25
1 files changed, 11 insertions, 14 deletions
diff --git a/drivers/input/touchscreen/st1232.c b/drivers/input/touchscreen/st1232.c
index 634d6c243845..32819ee6ec4b 100644
--- a/drivers/input/touchscreen/st1232.c
+++ b/drivers/input/touchscreen/st1232.c
@@ -11,13 +11,12 @@
*/
#include <linux/delay.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/of.h>
-#include <linux/of_gpio.h>
#include <linux/pm_qos.h>
#include <linux/slab.h>
#include <linux/types.h>
@@ -45,7 +44,7 @@ struct st1232_ts_data {
struct i2c_client *client;
struct input_dev *input_dev;
struct dev_pm_qos_request low_latency_req;
- int reset_gpio;
+ struct gpio_desc *reset_gpio;
const struct st_chip_info *chip_info;
int read_buf_len;
u8 *read_buf;
@@ -142,8 +141,8 @@ end:
static void st1232_ts_power(struct st1232_ts_data *ts, bool poweron)
{
- if (gpio_is_valid(ts->reset_gpio))
- gpio_direction_output(ts->reset_gpio, poweron);
+ if (ts->reset_gpio)
+ gpiod_set_value_cansleep(ts->reset_gpio, !poweron);
}
static const struct st_chip_info st1232_chip_info = {
@@ -215,15 +214,13 @@ static int st1232_ts_probe(struct i2c_client *client,
ts->client = client;
ts->input_dev = input_dev;
- ts->reset_gpio = of_get_gpio(client->dev.of_node, 0);
- if (gpio_is_valid(ts->reset_gpio)) {
- error = devm_gpio_request(&client->dev, ts->reset_gpio, NULL);
- if (error) {
- dev_err(&client->dev,
- "Unable to request GPIO pin %d.\n",
- ts->reset_gpio);
- return error;
- }
+ ts->reset_gpio = devm_gpiod_get_optional(&client->dev, NULL,
+ GPIOD_OUT_HIGH);
+ if (IS_ERR(ts->reset_gpio)) {
+ error = PTR_ERR(ts->reset_gpio);
+ dev_err(&client->dev, "Unable to request GPIO pin: %d.\n",
+ error);
+ return error;
}
st1232_ts_power(ts, true);