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.shevche...@gmail.com>
Signed-off-by: Hans de Goede <hdego...@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

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