diff options
Diffstat (limited to 'drivers/iio/pressure')
| -rw-r--r-- | drivers/iio/pressure/hid-sensor-press.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/iio/pressure/hid-sensor-press.c b/drivers/iio/pressure/hid-sensor-press.c index 39df50c45dab..1cd190c73788 100644 --- a/drivers/iio/pressure/hid-sensor-press.c +++ b/drivers/iio/pressure/hid-sensor-press.c @@ -21,6 +21,7 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/slab.h> +#include <linux/delay.h> #include <linux/hid-sensor-hub.h> #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> @@ -79,6 +80,7 @@ static int press_read_raw(struct iio_dev *indio_dev, u32 address; int ret; int ret_type; + s32 poll_value; *val = 0; *val2 = 0; @@ -94,12 +96,23 @@ static int press_read_raw(struct iio_dev *indio_dev, report_id = -1; break; } - if (report_id >= 0) + if (report_id >= 0) { + poll_value = hid_sensor_read_poll_value( + &press_state->common_attributes); + if (poll_value < 0) + return -EINVAL; + hid_sensor_power_state(&press_state->common_attributes, + true); + + msleep_interruptible(poll_value * 2); + *val = sensor_hub_input_attr_get_raw_value( press_state->common_attributes.hsdev, HID_USAGE_SENSOR_PRESSURE, address, report_id); - else { + hid_sensor_power_state(&press_state->common_attributes, + false); + } else { *val = 0; return -EINVAL; } |