Add a regulator supply request for the controller power
Signed-off-by: Martijn Braam <martijn@xxxxxxxxx>
---
drivers/input/touchscreen/edt-ft5x06.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index 702bfda7ee77..226c623f8d46 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -29,6 +29,7 @@
#include <linux/ratelimit.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
+#include <linux/regulator/consumer.h>
#include <linux/input.h>
#include <linux/i2c.h>
#include <linux/kernel.h>
@@ -103,6 +104,7 @@ struct edt_ft5x06_ts_data {
struct gpio_desc *reset_gpio;
struct gpio_desc *wake_gpio;
+ struct regulator *vdd;
#if defined(CONFIG_DEBUG_FS)
struct dentry *debug_dir;
@@ -1092,6 +1094,22 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client,
return error;
}
+ tsdata->vdd = devm_regulator_get(&client->dev, "vdd");
+ if (IS_ERR(tsdata->vdd)) {
+ error = PTR_ERR(tsdata->vdd);
+ if (error != -EPROBE_DEFER)
+ dev_err(&client->dev,
+ "Failed to get vdd regulator: %d\n", error);
+ return error;
+ }
+
+ /* power the controller */
+ error = regulator_enable(tsdata->vdd);
+ if (error) {
+ dev_err(&client->dev, "Controller fail to enable vdd\n");
+ return error;
+ }
+
tsdata->wake_gpio = devm_gpiod_get_optional(&client->dev,
"wake", GPIOD_OUT_LOW);
if (IS_ERR(tsdata->wake_gpio)) {
@@ -1204,6 +1222,7 @@ static int edt_ft5x06_ts_remove(struct i2c_client *client)
{
struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client);
+ regulator_disable(tsdata->vdd);
edt_ft5x06_ts_teardown_debugfs(tsdata);
return 0;
--
2.21.0
