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Input: adp5588-keys - add optional reset gpio

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Optionally reset the device during probe.

Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220829131553.690063-9-nuno.sa@analog.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Nuno Sá 2022-08-30 21:12:54 -07:00 committed by Dmitry Torokhov
parent e22d21d31f
commit cfacae5864
1 changed files with 12 additions and 0 deletions
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12
drivers/input/keyboard/adp5588-keys.c
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@ -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;