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platform/x86: touchscreen_dmi: Add info for the Chuwi Vi8 Plus tablet

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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>
Link: https://lore.kernel.org/r/20200115163554.101315-11-hdegoede@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hans de Goede 2020-01-15 17:35:54 +01:00 committed by Greg Kroah-Hartman
parent 835e1b86ef
commit b94b807e8c
1 changed files with 24 additions and 0 deletions
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24
drivers/platform/x86/touchscreen_dmi.c
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@ -132,6 +132,18 @@ static const struct ts_dmi_data chuwi_vi8_data = {
.properties = chuwi_vi8_props, .properties = chuwi_vi8_props,
}; };
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,
.sha256 = { 0x93, 0xe5, 0x49, 0xe0, 0xb6, 0xa2, 0xb4, 0xb3,
0x88, 0x96, 0x34, 0x97, 0x5e, 0xa8, 0x13, 0x78,
0x72, 0x98, 0xb8, 0x29, 0xeb, 0x5c, 0xa7, 0xf1,
0x25, 0x13, 0x43, 0xf4, 0x30, 0x7c, 0xfc, 0x7c },
},
};
static const struct property_entry chuwi_vi10_props[] = { static const struct property_entry chuwi_vi10_props[] = {
PROPERTY_ENTRY_U32("touchscreen-min-x", 0), PROPERTY_ENTRY_U32("touchscreen-min-x", 0),
PROPERTY_ENTRY_U32("touchscreen-min-y", 4), PROPERTY_ENTRY_U32("touchscreen-min-y", 4),
@ -742,6 +754,15 @@ const struct dmi_system_id touchscreen_dmi_table[] = {
DMI_MATCH(DMI_BIOS_VERSION, "CHUWI.D86JLBNR"), DMI_MATCH(DMI_BIOS_VERSION, "CHUWI.D86JLBNR"),
}, },
}, },
{
/* Chuwi Vi8 Plus (CWI519) */
.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"),
},
},
{ {
/* Chuwi Vi10 (CWI505) */ /* Chuwi Vi10 (CWI505) */
.driver_data = (void *)&chuwi_vi10_data, .driver_data = (void *)&chuwi_vi10_data,
@ -1145,6 +1166,9 @@ static int __init ts_dmi_init(void)
return 0; /* Not an error */ return 0; /* Not an error */
ts_data = dmi_id->driver_data; ts_data = dmi_id->driver_data;
/* Some dmi table entries only provide an efi_embedded_fw_desc */
if (!ts_data->properties)
return 0;
error = bus_register_notifier(&i2c_bus_type, &ts_dmi_notifier); error = bus_register_notifier(&i2c_bus_type, &ts_dmi_notifier);
if (error) if (error)