[PATCH] Input: tca8418 - Add support for shared interrupt
From: Alban Bedel <hidden>
Date: 2012-11-05 16:14:14
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
Signed-off-by: Alban Bedel <redacted> --- 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