Commit cfacae58 authored by Nuno Sá's avatar Nuno Sá Committed by Dmitry Torokhov
Browse files

Input: adp5588-keys - add optional reset gpio 



Optionally reset the device during probe.

Signed-off-by: default avatarNuno Sá <nuno.sa@analog.com>
Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Reviewed-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220829131553.690063-9-nuno.sa@analog.com


Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent e22d21d3

drivers/input/keyboard/adp5588-keys.c

+12 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
#include <linux/bits.h>

#include <linux/delay.h>

#include <linux/errno.h>

#include <linux/gpio/consumer.h>

#include <linux/gpio/driver.h>

#include <linux/i2c.h>

#include <linux/input.h>
@@ -716,6 +717,7 @@ static int adp5588_probe(struct i2c_client *client, 
{

	struct adp5588_kpad *kpad;

	struct input_dev *input;

	struct gpio_desc *gpio;

	unsigned int revid;

	int ret;

	int error;
@@ -741,6 +743,16 @@ static int adp5588_probe(struct i2c_client *client, 
	if (error)

		return error;



	gpio = devm_gpiod_get_optional(&client->dev, "reset", GPIOD_OUT_HIGH);

	if (IS_ERR(gpio))

		return PTR_ERR(gpio);



	if (gpio) {

		fsleep(30);

		gpiod_set_value_cansleep(gpio, 0);

		fsleep(60);

	}



	ret = adp5588_read(client, DEV_ID);

	if (ret < 0)

		return ret;