Input: tm2-touchkey - report scan codes

Report the index of pressed touch key as MSC_SCAN code to userspace so it is possible to identify which of the keys was pressed (not just the function that is currently assigned to the key). This is done similarly also in mcs_touchkey and mpr121_touchkey. Signed-off-by: Stephan Gerhold <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
tprrt · Oct 16, 2021 · f041a7a · f041a7a
1 parent 804f354
commit f041a7a
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/drivers/input/keyboard/tm2-touchkey.c b/drivers/input/keyboard/tm2-touchkey.c
@@ -156,6 +156,8 @@ static irqreturn_t tm2_touchkey_irq_handler(int irq, void *devid)
 		goto out;
 	}
 
+	input_event(touchkey->input_dev, EV_MSC, MSC_SCAN, index);
+
 	if (data & TM2_TOUCHKEY_BIT_PRESS_EV) {
 		for (i = 0; i < touchkey->num_keycodes; i++)
 			input_report_key(touchkey->input_dev,
@@ -250,6 +252,7 @@ static int tm2_touchkey_probe(struct i2c_client *client,
 	touchkey->input_dev->name = TM2_TOUCHKEY_DEV_NAME;
 	touchkey->input_dev->id.bustype = BUS_I2C;
 
+	input_set_capability(touchkey->input_dev, EV_MSC, MSC_SCAN);
 	for (i = 0; i < touchkey->num_keycodes; i++)
 		input_set_capability(touchkey->input_dev, EV_KEY,
 				     touchkey->keycodes[i]);