platform/x86: touchscreen_dmi: Update info for the Chuwi Hi10 Plus (CWI527) tablet

[ Upstream commit 196159d278ae3b49e7bbb7c76822e6008fd89b97 ]

Add info for getting the firmware directly from the UEFI for the Chuwi Hi10
Plus (CWI527), 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.

Also tweak the min and width/height values a bit for more accurate position
reporting.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210905130210.32810-2-hdegoede@redhat.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c
index 4f5d53b..59b7e90 100644 (file)
--- a/drivers/platform/x86/touchscreen_dmi.c
+++ b/drivers/platform/x86/touchscreen_dmi.c
@@ -100,10 +100,10 @@ static const struct ts_dmi_data chuwi_hi10_air_data = {
 };
 
 static const struct property_entry chuwi_hi10_plus_props[] = {
-       PROPERTY_ENTRY_U32("touchscreen-min-x", 0),
-       PROPERTY_ENTRY_U32("touchscreen-min-y", 5),
-       PROPERTY_ENTRY_U32("touchscreen-size-x", 1914),
-       PROPERTY_ENTRY_U32("touchscreen-size-y", 1283),
+       PROPERTY_ENTRY_U32("touchscreen-min-x", 12),
+       PROPERTY_ENTRY_U32("touchscreen-min-y", 10),
+       PROPERTY_ENTRY_U32("touchscreen-size-x", 1908),
+       PROPERTY_ENTRY_U32("touchscreen-size-y", 1270),
        PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hi10plus.fw"),
        PROPERTY_ENTRY_U32("silead,max-fingers", 10),
        PROPERTY_ENTRY_BOOL("silead,home-button"),
@@ -111,6 +111,15 @@ static const struct property_entry chuwi_hi10_plus_props[] = {
 };
 
 static const struct ts_dmi_data chuwi_hi10_plus_data = {
+       .embedded_fw = {
+               .name   = "silead/gsl1680-chuwi-hi10plus.fw",
+               .prefix = { 0xf0, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00 },
+               .length = 34056,
+               .sha256 = { 0xfd, 0x0a, 0x08, 0x08, 0x3c, 0xa6, 0x34, 0x4e,
+                           0x2c, 0x49, 0x9c, 0xcd, 0x7d, 0x44, 0x9d, 0x38,
+                           0x10, 0x68, 0xb5, 0xbd, 0xb7, 0x2a, 0x63, 0xb5,
+                           0x67, 0x0b, 0x96, 0xbd, 0x89, 0x67, 0x85, 0x09 },
+       },
        .acpi_name      = "MSSL0017:00",
        .properties     = chuwi_hi10_plus_props,
 };