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path: root/drivers/input/touchscreen/zforce_ts.c
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Diffstat (limited to 'drivers/input/touchscreen/zforce_ts.c')
-rw-r--r--drivers/input/touchscreen/zforce_ts.c21
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/input/touchscreen/zforce_ts.c b/drivers/input/touchscreen/zforce_ts.c
index 75762d6ff3ba..aa127ba392a4 100644
--- a/drivers/input/touchscreen/zforce_ts.c
+++ b/drivers/input/touchscreen/zforce_ts.c
@@ -455,7 +455,18 @@ static void zforce_complete(struct zforce_ts *ts, int cmd, int result)
455 } 455 }
456} 456}
457 457
458static irqreturn_t zforce_interrupt(int irq, void *dev_id) 458static irqreturn_t zforce_irq(int irq, void *dev_id)
459{
460 struct zforce_ts *ts = dev_id;
461 struct i2c_client *client = ts->client;
462
463 if (ts->suspended && device_may_wakeup(&client->dev))
464 pm_wakeup_event(&client->dev, 500);
465
466 return IRQ_WAKE_THREAD;
467}
468
469static irqreturn_t zforce_irq_thread(int irq, void *dev_id)
459{ 470{
460 struct zforce_ts *ts = dev_id; 471 struct zforce_ts *ts = dev_id;
461 struct i2c_client *client = ts->client; 472 struct i2c_client *client = ts->client;
@@ -465,12 +476,10 @@ static irqreturn_t zforce_interrupt(int irq, void *dev_id)
465 u8 *payload; 476 u8 *payload;
466 477
467 /* 478 /*
468 * When suspended, emit a wakeup signal if necessary and return. 479 * When still suspended, return.
469 * Due to the level-interrupt we will get re-triggered later. 480 * Due to the level-interrupt we will get re-triggered later.
470 */ 481 */
471 if (ts->suspended) { 482 if (ts->suspended) {
472 if (device_may_wakeup(&client->dev))
473 pm_wakeup_event(&client->dev, 500);
474 msleep(20); 483 msleep(20);
475 return IRQ_HANDLED; 484 return IRQ_HANDLED;
476 } 485 }
@@ -763,8 +772,8 @@ static int zforce_probe(struct i2c_client *client,
763 * Therefore we can trigger the interrupt anytime it is low and do 772 * Therefore we can trigger the interrupt anytime it is low and do
764 * not need to limit it to the interrupt edge. 773 * not need to limit it to the interrupt edge.
765 */ 774 */
766 ret = devm_request_threaded_irq(&client->dev, client->irq, NULL, 775 ret = devm_request_threaded_irq(&client->dev, client->irq,
767 zforce_interrupt, 776 zforce_irq, zforce_irq_thread,
768 IRQF_TRIGGER_LOW | IRQF_ONESHOT, 777 IRQF_TRIGGER_LOW | IRQF_ONESHOT,
769 input_dev->name, ts); 778 input_dev->name, ts);
770 if (ret) { 779 if (ret) {