diff options
Diffstat (limited to 'drivers/platform/x86/dell-laptop.c')
| -rw-r--r-- | drivers/platform/x86/dell-laptop.c | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index 63121fd22c2e..95e6ca116e00 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -29,7 +29,6 @@ #include <linux/mm.h> #include <linux/i8042.h> #include <linux/debugfs.h> -#include <linux/dell-led.h> #include <linux/seq_file.h> #include <acpi/video.h> #include "dell-rbtn.h" @@ -2111,17 +2110,17 @@ static struct notifier_block dell_laptop_notifier = { .notifier_call = dell_laptop_notifier_call, }; -int dell_micmute_led_set(int state) +static int micmute_led_set(struct led_classdev *led_cdev, + enum led_brightness brightness) { struct calling_interface_buffer buffer; struct calling_interface_token *token; + int state = brightness != LED_OFF; if (state == 0) token = dell_smbios_find_token(GLOBAL_MIC_MUTE_DISABLE); - else if (state == 1) - token = dell_smbios_find_token(GLOBAL_MIC_MUTE_ENABLE); else - return -EINVAL; + token = dell_smbios_find_token(GLOBAL_MIC_MUTE_ENABLE); if (!token) return -ENODEV; @@ -2129,9 +2128,15 @@ int dell_micmute_led_set(int state) dell_fill_request(&buffer, token->location, token->value, 0, 0); dell_send_request(&buffer, CLASS_TOKEN_WRITE, SELECT_TOKEN_STD); - return state; + return 0; } -EXPORT_SYMBOL_GPL(dell_micmute_led_set); + +static struct led_classdev micmute_led_cdev = { + .name = "platform::micmute", + .max_brightness = 1, + .brightness_set_blocking = micmute_led_set, + .default_trigger = "audio-micmute", +}; static int __init dell_init(void) { @@ -2177,6 +2182,11 @@ static int __init dell_init(void) dell_laptop_register_notifier(&dell_laptop_notifier); + micmute_led_cdev.brightness = ledtrig_audio_get(LED_AUDIO_MICMUTE); + ret = led_classdev_register(&platform_device->dev, &micmute_led_cdev); + if (ret < 0) + goto fail_led; + if (acpi_video_get_backlight_type() != acpi_backlight_vendor) return 0; @@ -2222,6 +2232,8 @@ static int __init dell_init(void) fail_get_brightness: backlight_device_unregister(dell_backlight_device); fail_backlight: + led_classdev_unregister(&micmute_led_cdev); +fail_led: dell_cleanup_rfkill(); fail_rfkill: platform_device_del(platform_device); @@ -2241,6 +2253,7 @@ static void __exit dell_exit(void) touchpad_led_exit(); kbd_led_exit(); backlight_device_unregister(dell_backlight_device); + led_classdev_unregister(&micmute_led_cdev); dell_cleanup_rfkill(); if (platform_device) { platform_device_unregister(platform_device); |