intel · mjchen20220511 · Jul 21, 2023
diff --git a/patch_5.15_lts/0001-int3472-Add-LT6911UXC-support-to-INT3472-driver.patch b/patch_5.15_lts/0001-int3472-Add-LT6911UXC-support-to-INT3472-driver.patch
@@ -0,0 +1,105 @@
+From ec60164a73a3b4eecf16f9bb2caf36fc5c30b8b4 Mon Sep 17 00:00:00 2001
+From: Ng Khai Wen <[email protected]>
+Date: Wed, 11 Jan 2023 15:27:18 +0800
+Subject: [PATCH 1/3] int3472: Add LT6911UXC support to INT3472 driver
+
+Signed-off-by: Ng Khai Wen <[email protected]>
+Signed-off-by: zouxiaoh <[email protected]>
+---
+ drivers/platform/x86/intel/int3472/common.h   |  5 +++-
+ drivers/platform/x86/intel/int3472/discrete.c | 24 +++++++++++++++++--
+ 2 files changed, 26 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/platform/x86/intel/int3472/common.h b/drivers/platform/x86/intel/int3472/common.h
+index d14944ee8586..61938a2fc909 100644
+--- a/drivers/platform/x86/intel/int3472/common.h
++++ b/drivers/platform/x86/intel/int3472/common.h
+@@ -21,9 +21,11 @@
+ #define INT3472_GPIO_TYPE_POWER_ENABLE				0x0b
+ #define INT3472_GPIO_TYPE_CLK_ENABLE				0x0c
+ #define INT3472_GPIO_TYPE_PRIVACY_LED				0x0d
++#define INT3472_GPIO_TYPE_READY_STAT				0x13
++#define INT3472_GPIO_TYPE_HDMI_DETECT				0x14
+
+ #define INT3472_PDEV_MAX_NAME_LEN				23
+-#define INT3472_MAX_SENSOR_GPIOS				3
++#define INT3472_MAX_SENSOR_GPIOS				4
+
+ #define GPIO_REGULATOR_NAME_LENGTH				21
+ #define GPIO_REGULATOR_SUPPLY_NAME_LENGTH			9
+@@ -73,6 +75,7 @@ struct int3472_sensor_config {
+ 	const char *sensor_module_name;
+ 	struct regulator_consumer_supply supply_map;
+ 	const struct int3472_gpio_function_remap *function_maps;
++	const bool independent_clk_gpios;
+ };
+
+ struct int3472_discrete_device {
+diff --git a/drivers/platform/x86/intel/int3472/discrete.c b/drivers/platform/x86/intel/int3472/discrete.c
+index 401fa8f223d6..bafc3e5dbd3e 100644
+--- a/drivers/platform/x86/intel/int3472/discrete.c
++++ b/drivers/platform/x86/intel/int3472/discrete.c
+@@ -62,6 +62,8 @@ static const struct int3472_sensor_config int3472_sensor_configs[] = {
+ 	{ "GEFF150023R", REGULATOR_SUPPLY("avdd", NULL), NULL },
+ 	/* Surface Go 1&2 - OV5693, Front */
+ 	{ "YHCU", REGULATOR_SUPPLY("avdd", NULL), NULL },
++	/* Lontium Display Bridge */
++	{ "LT6911UXC", { 0 }, NULL, true },
+ };
+
+ static const struct int3472_sensor_config *
+@@ -230,6 +232,8 @@ static int skl_int3472_handle_gpio_resources(struct acpi_resource *ares,
+ 	const char *err_msg;
+ 	int ret;
+ 	u8 type;
++	u8 active_value;
++	u32 polarity = GPIO_LOOKUP_FLAGS_DEFAULT;
+
+ 	if (!acpi_gpio_get_io_resource(ares, &agpio))
+ 		return 1;
+@@ -251,17 +255,21 @@ static int skl_int3472_handle_gpio_resources(struct acpi_resource *ares,
+
+ 	type = obj->integer.value & 0xff;
+
++	active_value = obj->integer.value >> 24;
++	if (!active_value)
++		polarity = GPIO_ACTIVE_LOW;
++
+ 	switch (type) {
+ 	case INT3472_GPIO_TYPE_RESET:
+ 		ret = skl_int3472_map_gpio_to_sensor(int3472, agpio, "reset",
+-						     GPIO_ACTIVE_LOW);
++							polarity);
+ 		if (ret)
+ 			err_msg = "Failed to map reset pin to sensor\n";
+
+ 		break;
+ 	case INT3472_GPIO_TYPE_POWERDOWN:
+ 		ret = skl_int3472_map_gpio_to_sensor(int3472, agpio, "powerdown",
+-						     GPIO_ACTIVE_LOW);
++							polarity);
+ 		if (ret)
+ 			err_msg = "Failed to map powerdown pin to sensor\n";
+
+@@ -279,6 +287,18 @@ static int skl_int3472_handle_gpio_resources(struct acpi_resource *ares,
+ 			err_msg = "Failed to map regulator to sensor\n";
+
+ 		break;
++	case INT3472_GPIO_TYPE_READY_STAT:
++		ret = skl_int3472_map_gpio_to_sensor(int3472, agpio, "readystat",
++							polarity);
++		if (ret)
++			err_msg = "Failed to map hdmi_detect to sensor\n";
++		break;
++	case INT3472_GPIO_TYPE_HDMI_DETECT:
++		ret = skl_int3472_map_gpio_to_sensor(int3472, agpio, "hdmidetect",
++							polarity);
++		if (ret)
++			err_msg = "Failed to map hdmi_detect to sensor\n";
++		break;
+ 	default:
+ 		dev_warn(int3472->dev,
+ 			 "GPIO type 0x%02x unknown; the sensor may not work\n",
+-- 
+2.17.1
+
diff --git a/patch_5.15_lts/0002-platform-x86-intel-Support-lt6911uxc-by-INT3472.patch b/patch_5.15_lts/0002-platform-x86-intel-Support-lt6911uxc-by-INT3472.patch
@@ -0,0 +1,38 @@
+From 1cfba870d393409b6ed9eeb245de847081dec3a7 Mon Sep 17 00:00:00 2001
+From: zouxiaoh <[email protected]>
+Date: Tue, 23 Aug 2022 13:33:47 +0800
+Subject: [PATCH 2/3] platform: x86: intel: Support lt6911uxc by INT3472
+
+Change Description:
+Message for Open Source:
+Support lt6911uxc by INT3472.
+
+Message for Internal:
+Support lt6911uxc by INT3472.
+
+Test Platform:
+RPL-P RVP
+
+Signed-off-by: zouxiaoh <[email protected]>
+Signed-off-by: khaiwenn <[email protected]>
+Signed-off-by: Sun Jia <[email protected]>
+---
+ drivers/platform/x86/intel/int3472/discrete.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/platform/x86/intel/int3472/discrete.c b/drivers/platform/x86/intel/int3472/discrete.c
+index bafc3e5dbd3e..3f320a1bfcd3 100644
+--- a/drivers/platform/x86/intel/int3472/discrete.c
++++ b/drivers/platform/x86/intel/int3472/discrete.c
+@@ -371,7 +371,7 @@ static int skl_int3472_discrete_probe(struct platform_device *pdev)
+ 		return ret;
+ 	}
+
+-	if (cldb.control_logic_type != 1) {
++	if (cldb.control_logic_type != 1 && cldb.control_logic_type != 5) {
+ 		dev_err(&pdev->dev, "Unsupported control logic type %u\n",
+ 			cldb.control_logic_type);
+ 		return -EINVAL;
+-- 
+2.17.1
+
diff --git a/patch_5.15_lts/0003-media-v4l2-Support-line-based-metadata-capture.patch b/patch_5.15_lts/0003-media-v4l2-Support-line-based-metadata-capture.patch
@@ -0,0 +1,46 @@
+From a21922f7ad1acd008e15b0ff570178ca6a372ae5 Mon Sep 17 00:00:00 2001
+From: Hongju Wang <[email protected]>
+Date: Wed, 19 Apr 2023 15:35:29 +0800
+Subject: [PATCH 3/3] media: v4l2:Support line-based metadata capture
+
+Signed-off-by: Hongju Wang <[email protected]>
+Signed-off-by: zouxiaoh <[email protected]>
+---
+ include/uapi/linux/videodev2.h | 10 ++++++++++
+ 1 file changed, 10 insertions(+)
+
+diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
+index 61c5011dfc13..41e9a7e69efa 100644
+--- a/include/uapi/linux/videodev2.h
++++ b/include/uapi/linux/videodev2.h
+@@ -801,6 +801,7 @@ struct v4l2_fmtdesc {
+ #define V4L2_FMT_FLAG_CSC_YCBCR_ENC		0x0080
+ #define V4L2_FMT_FLAG_CSC_HSV_ENC		V4L2_FMT_FLAG_CSC_YCBCR_ENC
+ #define V4L2_FMT_FLAG_CSC_QUANTIZATION		0x0100
++#define V4L2_FMT_FLAG_META_LINE_BASED		0x0200
+
+ 	/* Frame Size and frame rate enumeration */
+ /*
+@@ -2311,10 +2312,19 @@ struct v4l2_sdr_format {
+  * struct v4l2_meta_format - metadata format definition
+  * @dataformat:		little endian four character code (fourcc)
+  * @buffersize:		maximum size in bytes required for data
++ * @width:		number of bytes of data per line (valid for line based
++ *			formats only, see format documentation)
++ * @height:		number of lines of data per buffer (valid for line based
++ *			formats only)
++ * @bytesperline:	offset between the beginnings of two adjacent lines in
++ *			bytes (valid for line based formats only)
+  */
+ struct v4l2_meta_format {
+ 	__u32				dataformat;
+ 	__u32				buffersize;
++	__u32				width;
++	__u32				height;
++	__u32				bytesperline;
+ } __attribute__ ((packed));
+
+ /**
+-- 
+2.17.1
+