diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index d187be05955f97b276cf116d504db547f8cd45e9..532279cda0e4989de8aa45e3791f920d5c82c92b 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -822,6 +822,9 @@ static int ads7846_suspend(struct spi_device *spi, pm_message_t message) spin_unlock_irq(&ts->lock); + if (device_may_wakeup(&ts->spi->dev)) + enable_irq_wake(ts->spi->irq); + return 0; } @@ -830,6 +833,9 @@ static int ads7846_resume(struct spi_device *spi) { struct ads7846 *ts = dev_get_drvdata(&spi->dev); + if (device_may_wakeup(&ts->spi->dev)) + disable_irq_wake(ts->spi->irq); + spin_lock_irq(&ts->lock); ts->is_suspended = 0; @@ -1201,6 +1207,8 @@ static int __devinit ads7846_probe(struct spi_device *spi) if (err) goto err_remove_attr_group; + device_init_wakeup(&spi->dev, pdata->wakeup); + return 0; err_remove_attr_group: @@ -1230,6 +1238,8 @@ static int __devexit ads7846_remove(struct spi_device *spi) { struct ads7846 *ts = dev_get_drvdata(&spi->dev); + device_init_wakeup(&spi->dev, false); + ads784x_hwmon_unregister(spi, ts); input_unregister_device(ts->input); diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h index 5710c15d394a5c2857958414aede709dbb45e671..b4ae570d3c9876b090a4446f42a7ccc5c001c189 100644 --- a/include/linux/spi/ads7846.h +++ b/include/linux/spi/ads7846.h @@ -53,5 +53,6 @@ struct ads7846_platform_data { int (*filter) (void *filter_data, int data_idx, int *val); void (*filter_cleanup)(void *filter_data); void (*wait_for_sync)(void); + bool wakeup; };