Commit 908fee51 authored by Basavaraj Natikar's avatar Basavaraj Natikar Committed by Jonathan Cameron
Browse files

HID: amd_sfh: Add support for light color temperature 



In most cases, ambient color sensors also support light color temperature.
As a result, add support of light color temperature.

Signed-off-by: default avatarBasavaraj Natikar <Basavaraj.Natikar@amd.com>
Acked-by: default avatarJiri Kosina <jkosina@suse.cz>
Link: https://lore.kernel.org/r/20230919081054.2050714-5-Basavaraj.Natikar@amd.com


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 5f05285d

drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c

+4 −0
Original line number Diff line number Diff line
@@ -257,6 +257,10 @@ static u8 get_input_report(u8 current_index, int sensor_idx, int report_id, 
		else

			als_input.illuminance_value =

				(int)sensor_virt_addr[0] / AMD_SFH_FW_MULTIPLIER;



		if (sensor_idx == ACS_IDX)

			als_input.light_color_temp = sensor_virt_addr[1];



		report_size = sizeof(als_input);

		memcpy(input_report, &als_input, sizeof(als_input));

		break;

drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.h

+1 −0
Original line number Diff line number Diff line
@@ -99,6 +99,7 @@ struct als_input_report { 
	struct common_input_property common_property;

	/* values specific to this sensor */

	int illuminance_value;

	int light_color_temp;

} __packed;



struct hpd_feature_report {

drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_report_desc.h

+7 −0
Original line number Diff line number Diff line
@@ -641,6 +641,13 @@ static const u8 als_report_descriptor[] = { 
0x75, 32,		/* HID report size(32) */

0x95, 1,		/* HID report count (1) */

0X81, 0x02,		/* HID Input (Data_Arr_Abs) */

0x0A, 0xD2, 0x04,	/* HID usage sensor data light temperature */

0x17, 0x00, 0x00, 0x01, 0x80,	 /* HID logical Min_32 */

0x27, 0xFF, 0xFF, 0xFF, 0x7F,	 /* HID logical Max_32 */

0x55, 0x0,		/* HID unit exponent(0x0) */

0x75, 32,		/* HID report size(32) */

0x95, 1,		/* HID report count (1) */

0X81, 0x02,		/* HID Input (Data_Arr_Abs) */

0xC0			/* HID end collection */

};