diff options
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/keyboard/tca8418_keypad.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/input/keyboard/tca8418_keypad.c b/drivers/input/keyboard/tca8418_keypad.c index 1a2894dd03ca..ac4ff13f51cc 100644 --- a/drivers/input/keyboard/tca8418_keypad.c +++ b/drivers/input/keyboard/tca8418_keypad.c @@ -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, |