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HID: hid-sensor-hub: Extend API for async reads

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Add additional flag to read in async mode. In this mode the caller will get
reply via registered callback for capture_sample. Callbacks can be registered
using sensor_hub_register_callback function. The usage id parameter of the
capture_sample can be matched with the usage id of the requested attribute.

Signed-off-by: Srinivas Pandruvada <[email protected]>
Acked-by: Jonathan Cameron <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
This commit is contained in:
Srinivas Pandruvada 2015-02-19 15:33:56 -08:00 • committed by Jiri Kosina
commit b3f4737d00
10 changed files with 64 additions and 44 deletions
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2
drivers/rtc/rtc-hid-sensor-time.c
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@ -213,7 +213,7 @@ static int hid_rtc_read_time(struct device *dev, struct rtc_time *tm)
/* get a report with all values through requesting one value */
sensor_hub_input_attr_get_raw_value(time_state->common_attributes.hsdev,
HID_USAGE_SENSOR_TIME, hid_time_addresses[0],
time_state->info[0].report_id);
time_state->info[0].report_id, SENSOR_HUB_SYNC);
/* wait for all values (event) */
ret = wait_for_completion_killable_timeout(
&time_state->comp_last_time, HZ*6);