Optionally reset the device during probe.
Signed-off-by: Nuno Sá <nuno.sa@xxxxxxxxxx>
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
---
drivers/input/keyboard/adp5588-keys.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c
index 3a234ec37fd4..b2bb7c6702e1 100644
--- a/drivers/input/keyboard/adp5588-keys.c
+++ b/drivers/input/keyboard/adp5588-keys.c
@@ -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>
@@ -715,6 +716,7 @@ 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;
@@ -740,6 +742,16 @@ 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;
--
2.37.2
