diff options
Diffstat (limited to 'drivers/platform/x86/x86-android-tablets.c')
| -rw-r--r-- | drivers/platform/x86/x86-android-tablets.c | 57 |
1 files changed, 53 insertions, 4 deletions
diff --git a/drivers/platform/x86/x86-android-tablets.c b/drivers/platform/x86/x86-android-tablets.c index 40243ea3ae39..6174aad572bc 100644 --- a/drivers/platform/x86/x86-android-tablets.c +++ b/drivers/platform/x86/x86-android-tablets.c @@ -12,10 +12,12 @@ #include <linux/acpi.h> #include <linux/dmi.h> +#include <linux/gpio_keys.h> #include <linux/gpio/consumer.h> #include <linux/gpio/driver.h> #include <linux/gpio/machine.h> #include <linux/i2c.h> +#include <linux/input.h> #include <linux/irq.h> #include <linux/irqdomain.h> #include <linux/module.h> @@ -231,6 +233,51 @@ static struct gpiod_lookup_table int3496_gpo2_pin22_gpios = { }, }; +/* Asus ME176C and TF103C tablets shared data */ +static struct gpio_keys_button asus_me176c_tf103c_lid = { + .code = SW_LID, + /* .gpio gets filled in by asus_me176c_tf103c_init() */ + .active_low = true, + .desc = "lid_sw", + .type = EV_SW, + .wakeup = true, + .debounce_interval = 50, +}; + +static const struct gpio_keys_platform_data asus_me176c_tf103c_lid_pdata __initconst = { + .buttons = &asus_me176c_tf103c_lid, + .nbuttons = 1, + .name = "lid_sw", +}; + +static const struct platform_device_info asus_me176c_tf103c_pdevs[] __initconst = { + { + .name = "gpio-keys", + .id = PLATFORM_DEVID_AUTO, + .data = &asus_me176c_tf103c_lid_pdata, + .size_data = sizeof(asus_me176c_tf103c_lid_pdata), + }, + { + /* For micro USB ID pin handling */ + .name = "intel-int3496", + .id = PLATFORM_DEVID_NONE, + }, +}; + +static int __init asus_me176c_tf103c_init(void) +{ + struct gpio_desc *gpiod; + int ret; + + ret = x86_android_tablet_get_gpiod("INT33FC:02", 12, &gpiod); + if (ret < 0) + return ret; + asus_me176c_tf103c_lid.gpio = desc_to_gpio(gpiod); + + return 0; +} + + /* Asus ME176C tablets have an Android factory img with everything hardcoded */ static const char * const asus_me176c_accel_mount_matrix[] = { "-1", "0", "0", @@ -358,14 +405,15 @@ static struct gpiod_lookup_table * const asus_me176c_gpios[] = { static const struct x86_dev_info asus_me176c_info __initconst = { .i2c_client_info = asus_me176c_i2c_clients, .i2c_client_count = ARRAY_SIZE(asus_me176c_i2c_clients), - .pdev_info = int3496_pdevs, - .pdev_count = ARRAY_SIZE(int3496_pdevs), + .pdev_info = asus_me176c_tf103c_pdevs, + .pdev_count = ARRAY_SIZE(asus_me176c_tf103c_pdevs), .serdev_info = asus_me176c_serdevs, .serdev_count = ARRAY_SIZE(asus_me176c_serdevs), .gpiod_lookup_tables = asus_me176c_gpios, .bat_swnode = &generic_lipo_hv_4v35_battery_node, .modules = bq24190_modules, .invalid_aei_gpiochip = "INT33FC:02", + .init = asus_me176c_tf103c_init, }; /* Asus TF103C tablets have an Android factory img with everything hardcoded */ @@ -502,12 +550,13 @@ static struct gpiod_lookup_table * const asus_tf103c_gpios[] = { static const struct x86_dev_info asus_tf103c_info __initconst = { .i2c_client_info = asus_tf103c_i2c_clients, .i2c_client_count = ARRAY_SIZE(asus_tf103c_i2c_clients), - .pdev_info = int3496_pdevs, - .pdev_count = ARRAY_SIZE(int3496_pdevs), + .pdev_info = asus_me176c_tf103c_pdevs, + .pdev_count = ARRAY_SIZE(asus_me176c_tf103c_pdevs), .gpiod_lookup_tables = asus_tf103c_gpios, .bat_swnode = &asus_tf103c_battery_node, .modules = bq24190_modules, .invalid_aei_gpiochip = "INT33FC:02", + .init = asus_me176c_tf103c_init, }; /* |