diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2020-01-15 17:35:54 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-03-20 14:57:54 +0100 |
| commit | b94b807e8cd98b5269772537270c2b16e593b082 (patch) | |
| tree | 1a0e526b7e6b5ba60b8ae4a877b2b82c5c02816e /drivers/platform | |
| parent | 835e1b86ef8c9b466df5c9c949319690df700760 (diff) | |
platform/x86: touchscreen_dmi: Add info for the Chuwi Vi8 Plus tablet
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>
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/touchscreen_dmi.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c index a92198a06fb2..6ec8923dec1a 100644 --- a/drivers/platform/x86/touchscreen_dmi.c +++ b/drivers/platform/x86/touchscreen_dmi.c @@ -132,6 +132,18 @@ static const struct ts_dmi_data chuwi_vi8_data = { .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[] = { PROPERTY_ENTRY_U32("touchscreen-min-x", 0), PROPERTY_ENTRY_U32("touchscreen-min-y", 4), @@ -743,6 +755,15 @@ const struct dmi_system_id touchscreen_dmi_table[] = { }, }, { + /* 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) */ .driver_data = (void *)&chuwi_vi10_data, .matches = { @@ -1145,6 +1166,9 @@ static int __init ts_dmi_init(void) return 0; /* Not an error */ 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); if (error) |