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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

parent e89e29b8
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+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,