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Commit bf7f5316 authored by Alban Bedel's avatar Alban Bedel Committed by Dmitry Torokhov
Browse files

Input: tca8418_keypad - add support for shared interrupt 



Signed-off-by: default avatarAlban Bedel <alban.bedel@avionic-design.de>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent e89e29b8

drivers/input/keyboard/tca8418_keypad.c

+7 −3
Original line number Diff line number Diff line
@@ -224,16 +224,18 @@ static irqreturn_t tca8418_irq_handler(int irq, void *dev_id) 
	if (error) {

		dev_err(&keypad_data->client->dev,

			"unable to read REG_INT_STAT\n");

		goto exit;

		return IRQ_NONE;

	}



	if (!reg)

		return IRQ_NONE;



	if (reg & INT_STAT_OVR_FLOW_INT)

		dev_warn(&keypad_data->client->dev, "overflow occurred\n");



	if (reg & INT_STAT_K_INT)

		tca8418_read_keypad(keypad_data);



exit:

	/* Clear all interrupts, even IRQs we didn't check (GPI, CAD, LCK) */

	reg = 0xff;

	error = tca8418_write_byte(keypad_data, REG_INT_STAT, reg);
@@ -374,7 +376,9 @@ static int tca8418_keypad_probe(struct i2c_client *client, 
		client->irq = gpio_to_irq(client->irq);



	error = request_threaded_irq(client->irq, NULL, tca8418_irq_handler,

				     IRQF_TRIGGER_FALLING | IRQF_ONESHOT,

				     IRQF_TRIGGER_FALLING |

				     IRQF_SHARED |

				     IRQF_ONESHOT,

				     client->name, keypad_data);

	if (error) {

		dev_dbg(&client->dev,