From: Hans de Goede hdegoede@redhat.com
stable inclusion from stable-5.10.72 commit e5611503249fd0cfa0c8262ee18cca39865ed972 bugzilla: 182982 https://gitee.com/openeuler/kernel/issues/I4I3L1
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 3bf1669b0e033c885ebcb1ddc2334088dd125f2d ]
Add touchscreen info for the Chuwi HiBook (CWI514) tablet. This includes info for getting the firmware directly from the UEFI, so that the user does not need to manually install the firmware in /lib/firmware/silead.
This change will make the touchscreen on these devices work OOTB, without requiring any manual setup.
Signed-off-by: Hans de Goede hdegoede@redhat.com Link: https://lore.kernel.org/r/20210905130210.32810-1-hdegoede@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Chen Jun chenjun102@huawei.com Acked-by: Weilong Chen chenweilong@huawei.com
Signed-off-by: Chen Jun chenjun102@huawei.com --- drivers/platform/x86/touchscreen_dmi.c | 37 ++++++++++++++++++++++++++ 1 file changed, 37 insertions(+)
diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c index 99260915122c..4f5d53b585db 100644 --- a/drivers/platform/x86/touchscreen_dmi.c +++ b/drivers/platform/x86/touchscreen_dmi.c @@ -141,6 +141,33 @@ static const struct ts_dmi_data chuwi_hi10_pro_data = { .properties = chuwi_hi10_pro_props, };
+static const struct property_entry chuwi_hibook_props[] = { + PROPERTY_ENTRY_U32("touchscreen-min-x", 30), + PROPERTY_ENTRY_U32("touchscreen-min-y", 4), + PROPERTY_ENTRY_U32("touchscreen-size-x", 1892), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1276), + PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"), + PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"), + PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hibook.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + PROPERTY_ENTRY_BOOL("silead,home-button"), + { } +}; + +static const struct ts_dmi_data chuwi_hibook_data = { + .embedded_fw = { + .name = "silead/gsl1680-chuwi-hibook.fw", + .prefix = { 0xf0, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00 }, + .length = 40392, + .sha256 = { 0xf7, 0xc0, 0xe8, 0x5a, 0x6c, 0xf2, 0xeb, 0x8d, + 0x12, 0xc4, 0x45, 0xbf, 0x55, 0x13, 0x4c, 0x1a, + 0x13, 0x04, 0x31, 0x08, 0x65, 0x73, 0xf7, 0xa8, + 0x1b, 0x7d, 0x59, 0xc9, 0xe6, 0x97, 0xf7, 0x38 }, + }, + .acpi_name = "MSSL0017:00", + .properties = chuwi_hibook_props, +}; + static const struct property_entry chuwi_vi8_props[] = { PROPERTY_ENTRY_U32("touchscreen-min-x", 4), PROPERTY_ENTRY_U32("touchscreen-min-y", 6), @@ -936,6 +963,16 @@ const struct dmi_system_id touchscreen_dmi_table[] = { DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"), }, }, + { + /* Chuwi HiBook (CWI514) */ + .driver_data = (void *)&chuwi_hibook_data, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"), + DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"), + /* Above matches are too generic, add bios-date match */ + DMI_MATCH(DMI_BIOS_DATE, "05/07/2016"), + }, + }, { /* Chuwi Vi8 (CWI506) */ .driver_data = (void *)&chuwi_vi8_data,