aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorBasavaraj Natikar <Basavaraj.Natikar@amd.com>2023-09-19 13:40:53 +0530
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2023-09-24 13:31:33 +0100
commit3244d44a7c5e6961d79eafa44370ff13c909d670 (patch)
treee99562bc96e228d90a90c255683251b9616e4801
parentee3710f39f9d0ae5137a866138d005fe1ad18132 (diff)
downloadiio-3244d44a7c5e6961d79eafa44370ff13c909d670.tar.gz
HID: amd_sfh: Add light chromaticity support
In most cases, ambient color sensors also support the x and y light colors, which represent the coordinates on the CIE 1931 chromaticity diagram. Thus, add light chromaticity x and y. Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com> Acked-by: Jiri Kosina <jkosina@suse.cz> Link: https://lore.kernel.org/r/20230919081054.2050714-9-Basavaraj.Natikar@amd.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
-rw-r--r--drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c5
-rw-r--r--drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.h2
-rw-r--r--drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_report_desc.h14
3 files changed, 20 insertions, 1 deletions
diff --git a/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c b/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c
index b7e732ec480682..ef1f9be8b89383 100644
--- a/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c
+++ b/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c
@@ -258,8 +258,11 @@ static u8 get_input_report(u8 current_index, int sensor_idx, int report_id,
als_input.illuminance_value =
(int)sensor_virt_addr[0] / AMD_SFH_FW_MULTIPLIER;
- if (sensor_idx == ACS_IDX)
+ if (sensor_idx == ACS_IDX) {
als_input.light_color_temp = sensor_virt_addr[1];
+ als_input.chromaticity_x_value = sensor_virt_addr[2];
+ als_input.chromaticity_y_value = sensor_virt_addr[3];
+ }
report_size = sizeof(als_input);
memcpy(input_report, &als_input, sizeof(als_input));
diff --git a/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.h b/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.h
index a7fc50deca4dc2..882434b1501ff1 100644
--- a/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.h
+++ b/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.h
@@ -100,6 +100,8 @@ struct als_input_report {
/* values specific to this sensor */
int illuminance_value;
int light_color_temp;
+ int chromaticity_x_value;
+ int chromaticity_y_value;
} __packed;
struct hpd_feature_report {
diff --git a/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_report_desc.h b/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_report_desc.h
index 26e994e54dedbd..67ec2d6a417de5 100644
--- a/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_report_desc.h
+++ b/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_report_desc.h
@@ -648,6 +648,20 @@ 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, 0xD4, 0x04, /* HID usage sensor data light chromaticity_x */
+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_Var_Abs) */
+0x0A, 0xD5, 0x04, /* HID usage sensor data light chromaticity_y */
+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_Var_Abs) */
0xC0 /* HID end collection */
};