[PATCH v5 1/3] media: ipu-bridge: Add DMI information of Lenovo X9 to the image upside-down list

[Kate Hsuan]

The Lenovo X9 has an upside-down-mounted Sony IMX471 sensor so the image
was displayed upside-down. Add the DMI information of Lenovo X9 to
resolve the issue.

Signed-off-by: Kate Hsuan <hpa@xxxxxxxxxx>
---
 drivers/media/pci/intel/ipu-bridge.c | 39 ++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/drivers/media/pci/intel/ipu-bridge.c b/drivers/media/pci/intel/ipu-bridge.c
index 88581a4c081d..2474452b3015 100644
--- a/drivers/media/pci/intel/ipu-bridge.c
+++ b/drivers/media/pci/intel/ipu-bridge.c
@@ -134,6 +134,45 @@ static const struct dmi_system_id upside_down_sensor_dmi_ids[] = {
 		},
 		.driver_data = "OVTI02C1",
 	},
+	/*
+	 * The first four characters of DMI_BOARD_NAME identify the Lenovo
+	 * machine type/model. For example, a DMI_BOARD_NAME starting with
+	 * "21Q6" indicates a ThinkPad X9-15.
+	 *
+	 * Reference: https://psref.lenovo.com/
+	 */
+	{
+		/* Lenovo X9-14 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_BOARD_NAME, "21QA"),
+		},
+		.driver_data = "SONY471A",
+	},
+	{
+		/* Lenovo X9-14 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_BOARD_NAME, "21QB"),
+		},
+		.driver_data = "SONY471A",
+	},
+	{
+		/* Lenovo X9-15 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_BOARD_NAME, "21Q6"),
+		},
+		.driver_data = "SONY471A",
+	},
+	{
+		/* Lenovo X9-15 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_BOARD_NAME, "21Q7"),
+		},
+		.driver_data = "SONY471A",
+	},
 	{} /* Terminating entry */
 };
 
-- 
2.54.0