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platform/x86: x86-android-tablets: Add support for extra buttons on Cyberbook T116

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The Cyberbook T116 rugged tablet comes in both Windows and Android versions
and even on the Android version the DSDT is mostly sane. This tablet has
2 extra general purpose buttons in the row with the power + volume-buttons,
labeled P and F.

Use the x86-android-tablets infra to create a gpio-button device for these
2 extra buttons.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20230505205901.42649-2-hdegoede@redhat.com
This commit is contained in:
Hans de Goede 2023-05-05 22:59:01 +02:00
parent 6dc6c0c13d
commit 24f7b9a065
3 changed files with 51 additions and 0 deletions
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11
drivers/platform/x86/x86-android-tablets/dmi.c
View File

@ -58,6 +58,17 @@ const struct dmi_system_id x86_android_tablet_ids[] __initconst = {
},
.driver_data = (void *)&chuwi_hi8_info,
},
{
/* Cyberbook T116 Android version */
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Default string"),
DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
/* Above strings are much too generic, also match on SKU + BIOS date */
DMI_MATCH(DMI_PRODUCT_SKU, "20170531"),
DMI_MATCH(DMI_BIOS_DATE, "07/12/2017"),
},
.driver_data = (void *)&cyberbook_t116_info,
},
{
/* CZC P10T */
.ident = "CZC ODEON TPC-10 (\"P10T\")",

39
drivers/platform/x86/x86-android-tablets/other.c
View File

@ -197,6 +197,45 @@ const struct x86_dev_info chuwi_hi8_info __initconst = {
.init = chuwi_hi8_init,
};
/*
* Cyberbook T116 Android version
* This comes in both Windows and Android versions and even on Android
* the DSDT is mostly sane. This tablet has 2 extra general purpose buttons
* in the button row with the power + volume-buttons labeled P and F.
* Use the x86-android-tablets infra to create a gpio-button device for these.
*/
static const struct x86_gpio_button cyberbook_t116_buttons[] __initconst = {
{
.button = {
.code = KEY_PROG1,
.active_low = true,
.desc = "prog1_key",
.type = EV_KEY,
.wakeup = false,
.debounce_interval = 50,
},
.chip = "INT33FF:00",
.pin = 30,
},
{
.button = {
.code = KEY_PROG2,
.active_low = true,
.desc = "prog2_key",
.type = EV_KEY,
.wakeup = false,
.debounce_interval = 50,
},
.chip = "INT33FF:03",
.pin = 48,
},
};
const struct x86_dev_info cyberbook_t116_info __initconst = {
.gpio_button = cyberbook_t116_buttons,
.gpio_button_count = ARRAY_SIZE(cyberbook_t116_buttons),
};
#define CZC_EC_EXTRA_PORT 0x68
#define CZC_EC_ANDROID_KEYS 0x63

1
drivers/platform/x86/x86-android-tablets/x86-android-tablets.h
View File

@ -94,6 +94,7 @@ extern const struct x86_dev_info advantech_mica_071_info;
extern const struct x86_dev_info asus_me176c_info;
extern const struct x86_dev_info asus_tf103c_info;
extern const struct x86_dev_info chuwi_hi8_info;
extern const struct x86_dev_info cyberbook_t116_info;
extern const struct x86_dev_info czc_p10t;
extern const struct x86_dev_info lenovo_yogabook_x90_info;
extern const struct x86_dev_info lenovo_yogabook_x91_info;