hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

IIO: call sensor hub open close function 

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 <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Srinivas Pandruvada 2013-09-18 18:13:00 +01:00 committed by Jonathan Cameron
parent 1df3a40115
commit 7d3c192df0
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/iio/common/hid-sensors/hid-sensor-trigger.c
View File

@ -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;