Signed-off-by: Alban Bedel <alban.bedel@xxxxxxxxxxxxxxxxx>
---
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 fc9cc94..5adc655 100644
--- a/drivers/input/keyboard/tca8418_keypad.c
+++ b/drivers/input/keyboard/tca8418_keypad.c
@@ -225,16 +225,18 @@ 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);
@@ -377,7 +379,9 @@ static int __devinit 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,
--
1.7.0.4
--
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