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Found in Lenovo Yoga Book YB1-X91L tablet. Signed-off-by: Yauhen Kharuzhy --- drivers/input/misc/drv260x.c | 30 ++++++++++++++++++++++++++++-- 1 file changed, 28 insertions(+), 2 deletions(-) diff --git a/drivers/input/misc/drv260x.c b/drivers/input/misc/drv260x.c index 18360bdfe877..f613c81fa2ba 100644 --- a/drivers/input/misc/drv260x.c +++ b/drivers/input/misc/drv260x.c @@ -15,6 +15,7 @@ #include #include #include +#include #include @@ -419,6 +420,12 @@ static const struct regmap_config drv260x_regmap_config = { .cache_type = REGCACHE_NONE, }; +static const struct acpi_gpio_params enable_gpio = { 0, 0, false }; +static const struct acpi_gpio_mapping acpi_drv260x_default_gpios[] = { + { "enable-gpio", &enable_gpio, 1 }, + { } +}; + static int drv260x_probe(struct i2c_client *client) { struct device *dev = &client->dev; @@ -426,6 +433,14 @@ static int drv260x_probe(struct i2c_client *client) u32 voltage; int error; + if (has_acpi_companion(dev)) { + error = devm_acpi_dev_add_driver_gpios(dev, acpi_drv260x_default_gpios); + if (error) { + dev_err(dev, "can't add GPIO ACPI mapping\n"); + return error; + } + } + haptics = devm_kzalloc(dev, sizeof(*haptics), GFP_KERNEL); if (!haptics) return -ENOMEM; @@ -484,8 +499,10 @@ static int drv260x_probe(struct i2c_client *client) return error; } - haptics->enable_gpio = devm_gpiod_get_optional(dev, "enable", - GPIOD_OUT_HIGH); + haptics->enable_gpio = devm_gpiod_get_optional(dev, + "enable", GPIOD_OUT_HIGH); + + dev_dbg(dev, "Enable gpio = 0x%p\n", haptics->enable_gpio); if (IS_ERR(haptics->enable_gpio)) return PTR_ERR(haptics->enable_gpio); @@ -606,6 +623,14 @@ static const struct i2c_device_id drv260x_id[] = { }; MODULE_DEVICE_TABLE(i2c, drv260x_id); +#ifdef CONFIG_ACPI +static const struct acpi_device_id drv260x_acpi_match[] = { + { "DRV2604", 0 }, + { } +}; +MODULE_DEVICE_TABLE(acpi, drv260x_acpi_match); +#endif + static const struct of_device_id drv260x_of_match[] = { { .compatible = "ti,drv2604", }, { .compatible = "ti,drv2604l", }, @@ -621,6 +646,7 @@ static struct i2c_driver drv260x_driver = { .name = "drv260x-haptics", .of_match_table = drv260x_of_match, .pm = pm_sleep_ptr(&drv260x_pm_ops), + .acpi_match_table = ACPI_PTR(drv260x_acpi_match), }, .id_table = drv260x_id, }; -- 2.51.0