[PATCH v5 5/5] platform/x86: touchscreen_dmi: Add info for the Chuwi Vi8 Plus tablet

[Hans de Goede <hdegoede@redhat.com>]

Add touchscreen info for the Chuwi Vi8 Plus tablet. This tablet uses a
Chipone ICN8505 touchscreen controller, with the firmware used by the
touchscreen embedded in the EFI firmware.

Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
 drivers/platform/x86/touchscreen_dmi.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c
index 6488cd50ba79..5fdb6fe878f4 100644
--- a/drivers/platform/x86/touchscreen_dmi.c
+++ b/drivers/platform/x86/touchscreen_dmi.c
@@ -301,6 +301,22 @@ static const struct ts_dmi_data teclast_x3_plus_data = {
 	.properties	= teclast_x3_plus_props,
 };
 
+static const struct property_entry efi_embedded_fw_props[] = {
+	PROPERTY_ENTRY_BOOL("efi-embedded-firmware"),
+	{ }
+};
+
+static const struct ts_dmi_data chuwi_vi8_plus_data = {
+	.embedded_fw = {
+		.name	= "chipone/icn8505-HAMP0002.fw",
+		.prefix = { 0xb0, 0x07, 0x00, 0x00, 0xe4, 0x07, 0x00, 0x00 },
+		.length	= 35012,
+		.crc	= 0x74dfd3fc,
+	},
+	.acpi_name	= "CHPN0001:00",
+	.properties	= efi_embedded_fw_props,
+};
+
 const struct dmi_system_id touchscreen_dmi_table[] = {
 	{
 		/* CUBE iwork8 Air */
@@ -487,6 +503,15 @@ const struct dmi_system_id touchscreen_dmi_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "Y8W81"),
 		},
 	},
+	{
+		/* Chuwi Vi8 Plus (CWI506) */
+		.driver_data = (void *)&chuwi_vi8_plus_data,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "D2D3_Vi8A1"),
+			DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
+		},
+	},
 	{ },
 };
 
-- 
2.17.0