Input: atmel_mxt_ts - allow reset GPIO to sleep

The reset GPIO is not toggled in any critical section where it couldn't
sleep, allow the reset GPIO to sleep. This allows the driver to operate
reset GPIOs connected to I2C GPIO expanders.

Signed-off-by: Marek Vasut <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Cc: [e-mail]
Signed-off-by: Dmitry Torokhov <[e-mail]>

drivers/input/touchscreen/atmel_mxt_ts.c

···
 	if (data->reset_gpio) {
 		/* Wait a while and then de-assert the RESET GPIO line */
 		msleep(MXT_RESET_GPIO_TIME);
-		gpiod_set_value(data->reset_gpio, 0);
+		gpiod_set_value_cansleep(data->reset_gpio, 0);
 		msleep(MXT_RESET_INVALID_CHG);
 	}