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author | Michał Kępień <kernel@kempniu.pl> | 2017-03-20 10:32:20 +0100 |
---|---|---|
committer | Darren Hart (VMware) <dvhart@infradead.org> | 2017-04-13 10:14:27 -0700 |
commit | 11182dbca5cd5270efac5af610c9f483cbc233da (patch) | |
tree | 2f19c30b7f024930f9149578be0a4c09f96abdea | |
parent | f22526723775f4de1b37335a63b80fb2b00ba4ef (diff) | |
download | linux-stable-11182dbca5cd5270efac5af610c9f483cbc233da.tar.gz linux-stable-11182dbca5cd5270efac5af610c9f483cbc233da.tar.bz2 linux-stable-11182dbca5cd5270efac5af610c9f483cbc233da.zip |
platform/x86: fujitsu-laptop: refactor hotkey input device setup
Simplify error handling in acpi_fujitsu_laptop_add() by moving code
responsible for setting up the input device to a separate function.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
-rw-r--r-- | drivers/platform/x86/fujitsu-laptop.c | 74 |
1 files changed, 43 insertions, 31 deletions
diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c index 3483ac37bee5..b1a08d83330b 100644 --- a/drivers/platform/x86/fujitsu-laptop.c +++ b/drivers/platform/x86/fujitsu-laptop.c @@ -756,6 +756,46 @@ static void acpi_fujitsu_bl_notify(struct acpi_device *device, u32 event) /* ACPI device for hotkey handling */ +static int acpi_fujitsu_laptop_input_setup(struct acpi_device *device) +{ + struct fujitsu_laptop *fujitsu_laptop = acpi_driver_data(device); + struct input_dev *input; + int error; + + fujitsu_laptop->input = input = input_allocate_device(); + if (!input) + return -ENOMEM; + + snprintf(fujitsu_laptop->phys, sizeof(fujitsu_laptop->phys), + "%s/video/input0", acpi_device_hid(device)); + + input->name = acpi_device_name(device); + input->phys = fujitsu_laptop->phys; + input->id.bustype = BUS_HOST; + input->id.product = 0x06; + input->dev.parent = &device->dev; + + set_bit(EV_KEY, input->evbit); + set_bit(fujitsu_bl->keycode1, input->keybit); + set_bit(fujitsu_bl->keycode2, input->keybit); + set_bit(fujitsu_bl->keycode3, input->keybit); + set_bit(fujitsu_bl->keycode4, input->keybit); + set_bit(fujitsu_bl->keycode5, input->keybit); + set_bit(KEY_TOUCHPAD_TOGGLE, 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); + + return error; +} + static int fujitsu_laptop_platform_add(void) { int ret; @@ -794,7 +834,6 @@ static int acpi_fujitsu_laptop_add(struct acpi_device *device) { int result = 0; int state = 0; - struct input_dev *input; int error; int i; @@ -816,33 +855,9 @@ static int acpi_fujitsu_laptop_add(struct acpi_device *device) goto err_stop; } - fujitsu_laptop->input = input = input_allocate_device(); - if (!input) { - error = -ENOMEM; - goto err_free_fifo; - } - - snprintf(fujitsu_laptop->phys, sizeof(fujitsu_laptop->phys), - "%s/video/input0", acpi_device_hid(device)); - - input->name = acpi_device_name(device); - input->phys = fujitsu_laptop->phys; - input->id.bustype = BUS_HOST; - input->id.product = 0x06; - input->dev.parent = &device->dev; - - set_bit(EV_KEY, input->evbit); - set_bit(fujitsu_bl->keycode1, input->keybit); - set_bit(fujitsu_bl->keycode2, input->keybit); - set_bit(fujitsu_bl->keycode3, input->keybit); - set_bit(fujitsu_bl->keycode4, input->keybit); - set_bit(fujitsu_bl->keycode5, input->keybit); - set_bit(KEY_TOUCHPAD_TOGGLE, input->keybit); - set_bit(KEY_UNKNOWN, input->keybit); - - error = input_register_device(input); + error = acpi_fujitsu_laptop_input_setup(device); if (error) - goto err_free_input_dev; + goto err_free_fifo; error = acpi_bus_update_power(fujitsu_laptop->acpi_handle, &state); if (error) { @@ -960,10 +975,7 @@ static int acpi_fujitsu_laptop_add(struct acpi_device *device) return result; err_unregister_input_dev: - input_unregister_device(input); - input = NULL; -err_free_input_dev: - input_free_device(input); + input_unregister_device(fujitsu_laptop->input); err_free_fifo: kfifo_free(&fujitsu_laptop->fifo); err_stop: |