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: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Link: https://lore.kernel.org/r/20230919081054.2050714-5-Basavaraj.Natikar@amd.comSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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

@@ -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

@@ -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

@@ -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 */
 };