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platform/x86: wireless-hotkey: use ACPI HID as phys

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Removed the hardcoded "hpq6001" as phys but uses ACPI HID instead.

Signed-off-by: Alex Hung <alexhung@gmail.com>
Link: https://lore.kernel.org/r/20221127004617.722553-1-alex.hung@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Alex Hung 2022-11-26 17:46:17 -07:00 committed by Hans de Goede
parent e32354bb8f
commit 6f70a53afa
1 changed files with 40 additions and 20 deletions
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60
drivers/platform/x86/wireless-hotkey.c
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@ -20,7 +20,10 @@ MODULE_ALIAS("acpi*:HPQ6001:*");
MODULE_ALIAS("acpi*:WSTADEF:*");
MODULE_ALIAS("acpi*:AMDI0051:*");
static struct input_dev *wl_input_dev;
struct wl_button {
struct input_dev *input_dev;
char phys[32];
};
static const struct acpi_device_id wl_ids[] = {
{"HPQ6001", 0},
@ -29,63 +32,80 @@ static const struct acpi_device_id wl_ids[] = {
{"", 0},
};
static int wireless_input_setup(void)
static int wireless_input_setup(struct acpi_device *device)
{
struct wl_button *button = acpi_driver_data(device);
int err;
wl_input_dev = input_allocate_device();
if (!wl_input_dev)
button->input_dev = input_allocate_device();
if (!button->input_dev)
return -ENOMEM;
wl_input_dev->name = "Wireless hotkeys";
wl_input_dev->phys = "hpq6001/input0";
wl_input_dev->id.bustype = BUS_HOST;
wl_input_dev->evbit[0] = BIT(EV_KEY);
set_bit(KEY_RFKILL, wl_input_dev->keybit);
snprintf(button->phys, sizeof(button->phys), "%s/input0", acpi_device_hid(device));
err = input_register_device(wl_input_dev);
button->input_dev->name = "Wireless hotkeys";
button->input_dev->phys = button->phys;
button->input_dev->id.bustype = BUS_HOST;
button->input_dev->evbit[0] = BIT(EV_KEY);
set_bit(KEY_RFKILL, button->input_dev->keybit);
err = input_register_device(button->input_dev);
if (err)
goto err_free_dev;
return 0;
err_free_dev:
input_free_device(wl_input_dev);
input_free_device(button->input_dev);
return err;
}
static void wireless_input_destroy(void)
static void wireless_input_destroy(struct acpi_device *device)
{
input_unregister_device(wl_input_dev);
struct wl_button *button = acpi_driver_data(device);
input_unregister_device(button->input_dev);
kfree(button);
}
static void wl_notify(struct acpi_device *acpi_dev, u32 event)
{
struct wl_button *button = acpi_driver_data(acpi_dev);
if (event != 0x80) {
pr_info("Received unknown event (0x%x)\n", event);
return;
}
input_report_key(wl_input_dev, KEY_RFKILL, 1);
input_sync(wl_input_dev);
input_report_key(wl_input_dev, KEY_RFKILL, 0);
input_sync(wl_input_dev);
input_report_key(button->input_dev, KEY_RFKILL, 1);
input_sync(button->input_dev);
input_report_key(button->input_dev, KEY_RFKILL, 0);
input_sync(button->input_dev);
}
static int wl_add(struct acpi_device *device)
{
struct wl_button *button;
int err;
err = wireless_input_setup();
if (err)
button = kzalloc(sizeof(struct wl_button), GFP_KERNEL);
if (!button)
return -ENOMEM;
device->driver_data = button;
err = wireless_input_setup(device);
if (err) {
pr_err("Failed to setup wireless hotkeys\n");
kfree(button);
}
return err;
}
static int wl_remove(struct acpi_device *device)
{
wireless_input_destroy();
wireless_input_destroy(device);
return 0;
}