The Advantech MICA-071 is a standard Windows tablet, but it has an extra
"quick launch" button which is not described in the ACPI tables in anyway.
Use the x86-android-tablets infra to create a gpio-button device for this.
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
drivers/platform/x86/x86-android-tablets.c | 58 ++++++++++++++++++++++
1 file changed, 58 insertions(+)
diff --git a/drivers/platform/x86/x86-android-tablets.c b/drivers/platform/x86/x86-android-tablets.c
index 916e37a4f85e..5a7adcc76b1e 100644
--- a/drivers/platform/x86/x86-android-tablets.c
+++ b/drivers/platform/x86/x86-android-tablets.c
@@ -265,6 +265,56 @@ static struct gpiod_lookup_table int3496_gpo2_pin22_gpios = {
},
};
+/*
+ * Advantech MICA-071
+ * This is a standard Windows tablet, but it has an extra "quick launch" button
+ * which is not described in the ACPI tables in anyway.
+ * Use the x86-android-tablets infra to create a gpio-button device for this.
+ */
+static struct gpio_keys_button advantech_mica_071_button = {
+ .code = KEY_PROG1,
+ /* .gpio gets filled in by advantech_mica_071_init() */
+ .active_low = true,
+ .desc = "prog1_key",
+ .type = EV_KEY,
+ .wakeup = false,
+ .debounce_interval = 50,
+};
+
+static const struct gpio_keys_platform_data advantech_mica_071_button_pdata __initconst = {
+ .buttons = &advantech_mica_071_button,
+ .nbuttons = 1,
+ .name = "prog1_key",
+};
+
+static const struct platform_device_info advantech_mica_071_pdevs[] __initconst = {
+ {
+ .name = "gpio-keys",
+ .id = PLATFORM_DEVID_AUTO,
+ .data = &advantech_mica_071_button_pdata,
+ .size_data = sizeof(advantech_mica_071_button_pdata),
+ },
+};
+
+static int __init advantech_mica_071_init(void)
+{
+ struct gpio_desc *gpiod;
+ int ret;
+
+ ret = x86_android_tablet_get_gpiod("INT33FC:00", 2, &gpiod);
+ if (ret < 0)
+ return ret;
+ advantech_mica_071_button.gpio = desc_to_gpio(gpiod);
+
+ return 0;
+}
+
+static const struct x86_dev_info advantech_mica_071_info __initconst = {
+ .pdev_info = advantech_mica_071_pdevs,
+ .pdev_count = ARRAY_SIZE(advantech_mica_071_pdevs),
+ .init = advantech_mica_071_init,
+};
+
/* Asus ME176C and TF103C tablets shared data */
static struct gpio_keys_button asus_me176c_tf103c_lid = {
.code = SW_LID,
@@ -1379,6 +1429,14 @@ static const struct x86_dev_info xiaomi_mipad2_info __initconst = {
};
static const struct dmi_system_id x86_android_tablet_ids[] __initconst = {
+ {
+ /* Advantech MICA-071 */
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Advantech"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "MICA-071"),
+ },
+ .driver_data = (void *)&advantech_mica_071_info,
+ },
{
/* Asus MeMO Pad 7 ME176C */
.matches = {
--
2.38.1
