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-rw-r--r--drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c4
1 files changed, 3 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 be41f83b0289..76095bd53c65 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
@@ -27,6 +27,7 @@
#define HID_USAGE_SENSOR_STATE_READY_ENUM 0x02
#define HID_USAGE_SENSOR_STATE_INITIALIZING_ENUM 0x05
#define HID_USAGE_SENSOR_EVENT_DATA_UPDATED_ENUM 0x04
+#define ILLUMINANCE_MASK GENMASK(14, 0)
int get_report_descriptor(int sensor_idx, u8 *rep_desc)
{
@@ -246,7 +247,8 @@ u8 get_input_report(u8 current_index, int sensor_idx, int report_id, struct amd_
get_common_inputs(&als_input.common_property, report_id);
/* For ALS ,V2 Platforms uses C2P_MSG5 register instead of DRAM access method */
if (supported_input == V2_STATUS)
- als_input.illuminance_value = (int)readl(privdata->mmio + AMD_C2P_MSG(5));
+ als_input.illuminance_value =
+ readl(privdata->mmio + AMD_C2P_MSG(5)) & ILLUMINANCE_MASK;
else
als_input.illuminance_value =
(int)sensor_virt_addr[0] / AMD_SFH_FW_MULTIPLIER;