From f8a399dcfae913e773cbef6a940755953cdd70a3 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Micha=C5=82=20K=C4=99pie=C5=84?= Date: Mon, 20 Mar 2017 10:32:18 +0100 Subject: [PATCH] platform/x86: fujitsu-laptop: switch to a managed backlight input device MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Use a managed input device for brightness events in order to simplify two error paths and one cleanup function while also reducing the number of local variables required. Remove double assignment to make checkpatch happy. Signed-off-by: Michał Kępień Reviewed-by: Jonathan Woithe Signed-off-by: Darren Hart (VMware) --- drivers/platform/x86/fujitsu-laptop.c | 47 ++++++++------------------- 1 file changed, 14 insertions(+), 33 deletions(-) diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c index 2b0dcf989e2a..68e338c6a876 100644 --- a/drivers/platform/x86/fujitsu-laptop.c +++ b/drivers/platform/x86/fujitsu-laptop.c @@ -593,36 +593,24 @@ static const struct dmi_system_id fujitsu_dmi_table[] __initconst = { static int acpi_fujitsu_bl_input_setup(struct acpi_device *device) { struct fujitsu_bl *fujitsu_bl = acpi_driver_data(device); - struct input_dev *input; - int error; - fujitsu_bl->input = input = input_allocate_device(); - if (!input) + fujitsu_bl->input = devm_input_allocate_device(&device->dev); + if (!fujitsu_bl->input) return -ENOMEM; snprintf(fujitsu_bl->phys, sizeof(fujitsu_bl->phys), "%s/video/input0", acpi_device_hid(device)); - input->name = acpi_device_name(device); - input->phys = fujitsu_bl->phys; - input->id.bustype = BUS_HOST; - input->id.product = 0x06; - input->dev.parent = &device->dev; - input->evbit[0] = BIT(EV_KEY); - set_bit(KEY_BRIGHTNESSUP, input->keybit); - set_bit(KEY_BRIGHTNESSDOWN, input->keybit); - set_bit(KEY_UNKNOWN, input->keybit); - - error = input_register_device(input); - if (error) - goto err_free_input_dev; - - return 0; - -err_free_input_dev: - input_free_device(input); + fujitsu_bl->input->name = acpi_device_name(device); + fujitsu_bl->input->phys = fujitsu_bl->phys; + fujitsu_bl->input->id.bustype = BUS_HOST; + fujitsu_bl->input->id.product = 0x06; + fujitsu_bl->input->evbit[0] = BIT(EV_KEY); + set_bit(KEY_BRIGHTNESSUP, fujitsu_bl->input->keybit); + set_bit(KEY_BRIGHTNESSDOWN, fujitsu_bl->input->keybit); + set_bit(KEY_UNKNOWN, fujitsu_bl->input->keybit); - return error; + return input_register_device(fujitsu_bl->input); } static int fujitsu_backlight_register(void) @@ -659,12 +647,12 @@ static int acpi_fujitsu_bl_add(struct acpi_device *device) error = acpi_fujitsu_bl_input_setup(device); if (error) - goto err_stop; + return error; error = acpi_bus_update_power(fujitsu_bl->acpi_handle, &state); if (error) { pr_err("Error reading power state\n"); - goto err_unregister_input_dev; + return error; } pr_info("ACPI: %s [%s] (%s)\n", @@ -704,24 +692,17 @@ static int acpi_fujitsu_bl_add(struct acpi_device *device) if (acpi_video_get_backlight_type() == acpi_backlight_vendor) { error = fujitsu_backlight_register(); if (error) - goto err_unregister_input_dev; + return error; } return 0; - -err_unregister_input_dev: - input_unregister_device(fujitsu_bl->input); -err_stop: - return error; } static int acpi_fujitsu_bl_remove(struct acpi_device *device) { struct fujitsu_bl *fujitsu_bl = acpi_driver_data(device); - struct input_dev *input = fujitsu_bl->input; backlight_device_unregister(fujitsu_bl->bl_device); - input_unregister_device(input); fujitsu_bl->acpi_handle = NULL; -- 2.20.1