On 28/10/16 02:20, Song Hongyan wrote:
> In parse report function it only support to parse absolute data type
> reported. Some platforms which report realtime data cannot be parsed,
> they will get "Invalid Argument" when try to get sensor data.
>
> Add realtime data type support to match different platforms.
I'm not 100% sure that rel stands for real time here...
Relative percent? There is also a percent of range option though no
idea if any hardware actually uses that.
Srinivas, could you take a look at this one as well.
thanks,
Jonathan
>
> Signed-off-by: Song Hongyan <hongyan.song@xxxxxxxxx>
> ---
> drivers/iio/light/hid-sensor-als.c | 11 +++++++++++
> include/linux/hid-sensor-ids.h | 1 +
> 2 files changed, 12 insertions(+)
>
> diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c
> index 8bb1f90..3b3aa66 100644
> --- a/drivers/iio/light/hid-sensor-als.c
> +++ b/drivers/iio/light/hid-sensor-als.c
> @@ -252,6 +252,17 @@ static int als_parse_report(struct platform_device *pdev,
> st->common_attributes.sensitivity.index,
> st->common_attributes.sensitivity.report_id);
> }
> + if (st->common_attributes.sensitivity.index < 0) {
> + sensor_hub_input_get_attribute_info(hsdev,
> + HID_FEATURE_REPORT, usage_id,
> + HID_USAGE_SENSOR_DATA_MOD_CHANGE_SENSITIVITY_REL_PCT |
> + HID_USAGE_SENSOR_LIGHT_ILLUM,
> + &st->common_attributes.sensitivity);
> + dev_dbg(&pdev->dev, "Sensitivity index:report %d:%d\n",
> + st->common_attributes.sensitivity.index,
> + st->common_attributes.sensitivity.report_id);
> + }
> +
> return ret;
> }
>
> diff --git a/include/linux/hid-sensor-ids.h b/include/linux/hid-sensor-ids.h
> index f2ee90a..755f5e2 100644
> --- a/include/linux/hid-sensor-ids.h
> +++ b/include/linux/hid-sensor-ids.h
> @@ -141,6 +141,7 @@
> /* Per data field properties */
> #define HID_USAGE_SENSOR_DATA_MOD_NONE 0x00
> #define HID_USAGE_SENSOR_DATA_MOD_CHANGE_SENSITIVITY_ABS 0x1000
> +#define HID_USAGE_SENSOR_DATA_MOD_CHANGE_SENSITIVITY_REL_PCT 0xE000
>
> /* Power state enumerations */
> #define HID_USAGE_SENSOR_PROP_POWER_STATE_UNDEFINED_ENUM 0x200850
>
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