From mboxrd@z Thu Jan 1 00:00:00 1970 From: daniel@zonque.org (Daniel Mack) Date: Wed, 16 May 2018 14:28:28 +0200 Subject: [PATCH 2/3] input: touchscreen: edt-ft5x06: assert reset during suspend In-Reply-To: <20180516122829.23694-1-daniel@zonque.org> References: <20180516122829.23694-1-daniel@zonque.org> Message-ID: <20180516122829.23694-3-daniel@zonque.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org If the device is not configured as wakeup source, it can be put in reset during suspend to save some power. Signed-off-by: Daniel Mack --- drivers/input/touchscreen/edt-ft5x06.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index 955f085627fa..c34a0b23f90a 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -1036,9 +1036,12 @@ static int edt_ft5x06_ts_remove(struct i2c_client *client) static int __maybe_unused edt_ft5x06_ts_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); + struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); if (device_may_wakeup(dev)) enable_irq_wake(client->irq); + else if (tsdata->reset_gpio) + gpiod_set_value_cansleep(tsdata->reset_gpio, 1); return 0; } @@ -1046,9 +1049,12 @@ static int __maybe_unused edt_ft5x06_ts_suspend(struct device *dev) static int __maybe_unused edt_ft5x06_ts_resume(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); + struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); if (device_may_wakeup(dev)) disable_irq_wake(client->irq); + else if (tsdata->reset_gpio) + gpiod_set_value_cansleep(tsdata->reset_gpio, 0); return 0; } -- 2.14.3