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path: root/drivers/input/touchscreen/ili210x.c
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Diffstat (limited to 'drivers/input/touchscreen/ili210x.c')
-rw-r--r--drivers/input/touchscreen/ili210x.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c
index 2bd407d86bae..e9bd36adbe47 100644
--- a/drivers/input/touchscreen/ili210x.c
+++ b/drivers/input/touchscreen/ili210x.c
@@ -756,15 +756,12 @@ static int ili251x_firmware_reset(struct i2c_client *client)
return ili251x_firmware_busy(client);
}
-static void ili251x_hardware_reset(struct device *dev)
+static void ili210x_hardware_reset(struct gpio_desc *reset_gpio)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct ili210x *priv = i2c_get_clientdata(client);
-
/* Reset the controller */
- gpiod_set_value_cansleep(priv->reset_gpio, 1);
- usleep_range(10000, 15000);
- gpiod_set_value_cansleep(priv->reset_gpio, 0);
+ gpiod_set_value_cansleep(reset_gpio, 1);
+ usleep_range(12000, 15000);
+ gpiod_set_value_cansleep(reset_gpio, 0);
msleep(300);
}
@@ -773,6 +770,7 @@ static ssize_t ili210x_firmware_update_store(struct device *dev,
const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
+ struct ili210x *priv = i2c_get_clientdata(client);
const char *fwname = ILI251X_FW_FILENAME;
const struct firmware *fw;
u16 ac_end, df_end;
@@ -803,7 +801,7 @@ static ssize_t ili210x_firmware_update_store(struct device *dev,
dev_dbg(dev, "Firmware update started, firmware=%s\n", fwname);
- ili251x_hardware_reset(dev);
+ ili210x_hardware_reset(priv->reset_gpio);
error = ili251x_firmware_reset(client);
if (error)
@@ -858,7 +856,7 @@ static ssize_t ili210x_firmware_update_store(struct device *dev,
error = count;
exit:
- ili251x_hardware_reset(dev);
+ ili210x_hardware_reset(priv->reset_gpio);
dev_dbg(dev, "Firmware update ended, error=%i\n", error);
enable_irq(client->irq);
kfree(fwbuf);
@@ -951,9 +949,7 @@ static int ili210x_i2c_probe(struct i2c_client *client,
if (error)
return error;
- usleep_range(50, 100);
- gpiod_set_value_cansleep(reset_gpio, 0);
- msleep(100);
+ ili210x_hardware_reset(reset_gpio);
}
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);