[PATCH 1/2] Input: atmel_mxt_ts: Add wake-up support
STALE1930d
From: Loic Poulain <hidden>
Date: 2021-06-23 13:46:46
Subsystem:
atmel maxtouch driver, input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Nick Dyer, Dmitry Torokhov, Linus Torvalds
Add capability for the touchscreen to wakeup the host on touch event. Signed-off-by: Loic Poulain <redacted> --- drivers/input/touchscreen/atmel_mxt_ts.c | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-)
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 05de92c..807f449 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c@@ -3223,6 +3223,8 @@ static int mxt_probe(struct i2c_client *client, const struct i2c_device_id *id) return error; } + device_set_wakeup_capable(&client->dev, true); + error = regulator_bulk_enable(ARRAY_SIZE(data->regulators), data->regulators); if (error) {
@@ -3309,8 +3311,12 @@ static int __maybe_unused mxt_suspend(struct device *dev) mutex_lock(&input_dev->mutex); - if (input_device_enabled(input_dev)) - mxt_stop(data); + if (input_device_enabled(input_dev)) { + if (device_may_wakeup(dev)) + enable_irq_wake(data->irq); + else + mxt_stop(data); + } mutex_unlock(&input_dev->mutex);
@@ -3332,8 +3338,12 @@ static int __maybe_unused mxt_resume(struct device *dev) mutex_lock(&input_dev->mutex); - if (input_device_enabled(input_dev)) - mxt_start(data); + if (input_device_enabled(input_dev)) { + if (device_may_wakeup(dev)) + disable_irq_wake(data->irq); + else + mxt_start(data); + } mutex_unlock(&input_dev->mutex);
--
2.7.4