From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jonathan Cameron Subject: Re: [PATCH 2/3] IIO: call sensor hub open close function Date: Tue, 01 Oct 2013 09:42:31 +0100 Message-ID: <524A8AF7.8030304@kernel.org> References: <1379524399-16995-1-git-send-email-srinivas.pandruvada@linux.intel.com> <1379524399-16995-2-git-send-email-srinivas.pandruvada@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1379524399-16995-2-git-send-email-srinivas.pandruvada-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> Sender: linux-iio-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Srinivas Pandruvada , linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: jkosina-AlSwsSmVLrQ@public.gmane.org, holler-SXC+2es9fhnfWeYVQQPykw@public.gmane.org List-Id: linux-input@vger.kernel.org On 09/18/13 18:13, Srinivas Pandruvada wrote: > Call hid_sensor_hub_device_open when user space opens device and call > hid_sensor_hub_device_close when device is closed. This helps in > saving power. > > Signed-off-by: Srinivas Pandruvada Applied to the togreg branch of iio.git Thanks, > --- > drivers/iio/common/hid-sensors/hid-sensor-trigger.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c > index 87419c4..b6e77e0 100644 > --- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c > +++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c > @@ -34,6 +34,12 @@ static int hid_sensor_data_rdy_trigger_set_state(struct iio_trigger *trig, > struct hid_sensor_common *st = iio_trigger_get_drvdata(trig); > int state_val; > > + if (state) { > + if (sensor_hub_device_open(st->hsdev)) > + return -EIO; > + } else > + sensor_hub_device_close(st->hsdev); > + > state_val = state ? 1 : 0; > if (IS_ENABLED(CONFIG_HID_SENSOR_ENUM_BASE_QUIRKS)) > ++state_val; >