linux-pikaos-template/patches/asuslinux/amd-tablet-sfh.patch

diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_client.c b/drivers/hid/amd-sfh-hid/amd_sfh_client.c
index bdb578e0899f..f98a02eee783 100644
--- a/drivers/hid/amd-sfh-hid/amd_sfh_client.c
+++ b/drivers/hid/amd-sfh-hid/amd_sfh_client.c
@@ -146,6 +146,8 @@ static const char *get_sensor_name(int idx)
 		return "gyroscope";
 	case mag_idx:
 		return "magnetometer";
+	case tms_idx:
+		return "tablet-mode-switch";
 	case als_idx:
 	case ACS_IDX: /* ambient color sensor */
 		return "ALS";
diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_hid.h b/drivers/hid/amd-sfh-hid/amd_sfh_hid.h
index 97296f587bc7..cea7ec6f6288 100644
--- a/drivers/hid/amd-sfh-hid/amd_sfh_hid.h
+++ b/drivers/hid/amd-sfh-hid/amd_sfh_hid.h
@@ -11,7 +11,7 @@
 #ifndef AMDSFH_HID_H
 #define AMDSFH_HID_H
 
-#define MAX_HID_DEVICES		6
+#define MAX_HID_DEVICES		7
 #define AMD_SFH_HID_VENDOR	0x1022
 #define AMD_SFH_HID_PRODUCT	0x0001
 
diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
index 2530fa98b568..af5b37a62b10 100644
--- a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
+++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
@@ -27,6 +27,7 @@
 #define ACEL_EN		BIT(0)
 #define GYRO_EN		BIT(1)
 #define MAGNO_EN	BIT(2)
+#define TMS_EN		BIT(15)
 #define HPD_EN		BIT(16)
 #define ALS_EN		BIT(19)
 #define ACS_EN		BIT(22)
@@ -228,6 +229,9 @@ int amd_mp2_get_sensor_num(struct amd_mp2_dev *privdata, u8 *sensor_id)
 	if (MAGNO_EN & activestatus)
 		sensor_id[num_of_sensors++] = mag_idx;
 
+	if (TMS_EN & activestatus)
+		sensor_id[num_of_sensors++] = tms_idx;
+
 	if (ALS_EN & activestatus)
 		sensor_id[num_of_sensors++] = als_idx;
 
diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h
index 70add75fc506..60130ad846a4 100644
--- a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h
+++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h
@@ -79,6 +79,7 @@ enum sensor_idx {
 	accel_idx = 0,
 	gyro_idx = 1,
 	mag_idx = 2,
+	tms_idx = 15,
 	als_idx = 19
 };
 
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 8716a05950c8..b6725e8daf0c 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
@@ -47,6 +47,11 @@ static int get_report_descriptor(int sensor_idx, u8 *rep_desc)
 		memcpy(rep_desc, comp3_report_descriptor,
 		       sizeof(comp3_report_descriptor));
 		break;
+	case tms_idx: /* tablet mode switch */
+		memset(rep_desc, 0, sizeof(tms_report_descriptor));
+		memcpy(rep_desc, tms_report_descriptor,
+		       sizeof(tms_report_descriptor));
+		break;
 	case als_idx: /* ambient light sensor */
 	case ACS_IDX: /* ambient color sensor */
 		memset(rep_desc, 0, sizeof(als_report_descriptor));
@@ -97,6 +102,16 @@ static u32 get_descr_sz(int sensor_idx, int descriptor_name)
 			return sizeof(struct magno_feature_report);
 		}
 		break;
+	case tms_idx:
+		switch (descriptor_name) {
+		case descr_size:
+			return sizeof(tms_report_descriptor);
+		case input_size:
+			return sizeof(struct tms_input_report);
+		case feature_size:
+			return sizeof(struct tms_feature_report);
+		}
+		break;
 	case als_idx:
 	case ACS_IDX: /* ambient color sensor */
 		switch (descriptor_name) {
@@ -140,6 +155,7 @@ static u8 get_feature_report(int sensor_idx, int report_id, u8 *feature_report)
 	struct accel3_feature_report acc_feature;
 	struct gyro_feature_report gyro_feature;
 	struct magno_feature_report magno_feature;
+	struct tms_feature_report tms_feature;
 	struct hpd_feature_report hpd_feature;
 	struct als_feature_report als_feature;
 	u8 report_size = 0;
@@ -175,6 +191,11 @@ static u8 get_feature_report(int sensor_idx, int report_id, u8 *feature_report)
 		memcpy(feature_report, &magno_feature, sizeof(magno_feature));
 		report_size = sizeof(magno_feature);
 		break;
+	case tms_idx:  /* tablet mode switch */
+		get_common_features(&tms_feature.common_property, report_id);
+		memcpy(feature_report, &tms_feature, sizeof(tms_feature));
+		report_size = sizeof(tms_feature);
+		break;
 	case als_idx:  /* ambient light sensor */
 	case ACS_IDX: /* ambient color sensor */
 		get_common_features(&als_feature.common_property, report_id);
@@ -214,6 +235,7 @@ static u8 get_input_report(u8 current_index, int sensor_idx, int report_id,
 	struct accel3_input_report acc_input;
 	struct gyro_input_report gyro_input;
 	struct hpd_input_report hpd_input;
+	struct tms_input_report tms_input;
 	struct als_input_report als_input;
 	struct hpd_status hpdstatus;
 	u8 report_size = 0;
@@ -247,6 +269,11 @@ static u8 get_input_report(u8 current_index, int sensor_idx, int report_id,
 		memcpy(input_report, &magno_input, sizeof(magno_input));
 		report_size = sizeof(magno_input);
 		break;
+	case tms_idx: /* tablet mode switch */
+		get_common_inputs(&tms_input.common_property, report_id);
+		report_size = sizeof(tms_input);
+		memcpy(input_report, &tms_input, sizeof(tms_input));
+		break;
 	case als_idx: /* Als */
 	case ACS_IDX: /* ambient color sensor */
 		get_common_inputs(&als_input.common_property, report_id);
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 ebd55675eb62..b22068a47429 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
@@ -111,4 +111,11 @@ struct hpd_input_report {
 	u8 human_presence;
 } __packed;
 
+struct tms_feature_report {
+	struct common_feature_property common_property;
+} __packed;
+
+struct tms_input_report {
+	struct common_input_property common_property;
+} __packed;
 #endif
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 697f2791ea9c..96cbc1e5b9a7 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
@@ -644,6 +644,27 @@ static const u8 als_report_descriptor[] = {
 0xC0			/* HID end collection */
 };
 
+
+/* TABLET MODE SWITCH */
+__maybe_unused // Used by sfh1.0, but not yet implemented in sfh1.1
+static const u8 tms_report_descriptor[] = {
+0x06, 0x43, 0xFF,  // Usage Page (Vendor Defined 0xFF43)
+0x0A, 0x02, 0x02,  // Usage (0x0202)
+0xA1, 0x01, // Collection (Application)
+0x85, 0x11, //   Report ID (17)
+0x15, 0x00, //   Logical Minimum (0)
+0x25, 0x01, //   Logical Maximum (1)
+0x35, 0x00, //   Physical Minimum (0)
+0x45, 0x01, //   Physical Maximum (1)
+0x65, 0x00, //   Unit (None)
+0x55, 0x00, //   Unit Exponent (0)
+0x75, 0x01, //   Report Size (1)
+0x95, 0x98, //   Report Count (-104)
+0x81, 0x03, //   Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
+0x91, 0x03, //   Output (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
+0xC1, 0x00, // End Collection
+};
+
 /* BIOMETRIC PRESENCE*/
 static const u8 hpd_report_descriptor[] = {
 0x05, 0x20,          /* Usage page */