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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>
This commit is contained in:
Michał Kępień 2017-03-20 10:32:20 +01:00 committed by Darren Hart (VMware)
parent f225267237
commit 11182dbca5
1 changed files with 43 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

74
drivers/platform/x86/fujitsu-laptop.c
View File

@ -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: