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platform/x86: x86-android-tablets: Add Advantech MICA-071 extra button
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@redhat.com> Link: https://lore.kernel.org/r/20221127221928.123660-1-hdegoede@redhat.com
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1 changed files with 58 additions and 0 deletions
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@ -265,6 +265,56 @@ static struct gpiod_lookup_table int3496_gpo2_pin22_gpios = {
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},
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};
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/*
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* Advantech MICA-071
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* This is a standard Windows tablet, but it has an extra "quick launch" button
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* which is not described in the ACPI tables in anyway.
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* Use the x86-android-tablets infra to create a gpio-button device for this.
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*/
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static struct gpio_keys_button advantech_mica_071_button = {
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.code = KEY_PROG1,
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/* .gpio gets filled in by advantech_mica_071_init() */
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.active_low = true,
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.desc = "prog1_key",
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.type = EV_KEY,
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.wakeup = false,
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.debounce_interval = 50,
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};
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static const struct gpio_keys_platform_data advantech_mica_071_button_pdata __initconst = {
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.buttons = &advantech_mica_071_button,
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.nbuttons = 1,
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.name = "prog1_key",
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};
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static const struct platform_device_info advantech_mica_071_pdevs[] __initconst = {
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{
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.name = "gpio-keys",
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.id = PLATFORM_DEVID_AUTO,
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.data = &advantech_mica_071_button_pdata,
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.size_data = sizeof(advantech_mica_071_button_pdata),
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},
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};
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static int __init advantech_mica_071_init(void)
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{
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struct gpio_desc *gpiod;
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int ret;
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ret = x86_android_tablet_get_gpiod("INT33FC:00", 2, &gpiod);
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if (ret < 0)
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return ret;
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advantech_mica_071_button.gpio = desc_to_gpio(gpiod);
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return 0;
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}
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static const struct x86_dev_info advantech_mica_071_info __initconst = {
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.pdev_info = advantech_mica_071_pdevs,
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.pdev_count = ARRAY_SIZE(advantech_mica_071_pdevs),
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.init = advantech_mica_071_init,
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};
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/* Asus ME176C and TF103C tablets shared data */
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static struct gpio_keys_button asus_me176c_tf103c_lid = {
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.code = SW_LID,
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@ -1385,6 +1435,14 @@ static const struct x86_dev_info xiaomi_mipad2_info __initconst = {
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};
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static const struct dmi_system_id x86_android_tablet_ids[] __initconst = {
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{
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/* Advantech MICA-071 */
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.matches = {
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DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Advantech"),
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DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "MICA-071"),
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},
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.driver_data = (void *)&advantech_mica_071_info,
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},
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{
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/* Asus MeMO Pad 7 ME176C */
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.matches = {
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