Support feeding VCC through a regulator.
Signed-off-by: Nuno Sá <nuno.sa@xxxxxxxxxx>
---
drivers/input/keyboard/adp5588-keys.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c
index 57bc4e52ec21..b4414f5f3cfb 100644
--- a/drivers/input/keyboard/adp5588-keys.c
+++ b/drivers/input/keyboard/adp5588-keys.c
@@ -23,6 +23,7 @@
#include <linux/pinctrl/pinconf-generic.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
+#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <linux/timekeeping.h>
@@ -698,12 +699,18 @@ static int adp5588_fw_parse(struct adp5588_kpad *kpad)
return 0;
}
+static void adp5588_disable_regulator(void *reg)
+{
+ regulator_disable(reg);
+}
+
static int adp5588_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct adp5588_kpad *kpad;
struct input_dev *input;
struct gpio_desc *gpio;
+ struct regulator *vcc;
unsigned int revid;
int ret;
int error;
@@ -729,6 +736,19 @@ static int adp5588_probe(struct i2c_client *client,
if (error)
return error;
+ vcc = devm_regulator_get(&client->dev, "vcc");
+ if (IS_ERR(vcc))
+ return PTR_ERR(vcc);
+
+ ret = regulator_enable(vcc);
+ if (ret)
+ return ret;
+
+ ret = devm_add_action_or_reset(&client->dev, adp5588_disable_regulator,
+ vcc);
+ if (ret)
+ return ret;
+
gpio = devm_gpiod_get_optional(&client->dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(gpio))
return PTR_ERR(gpio);
--
2.37.0
