diff options
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00leds.c | 94 |
1 files changed, 56 insertions, 38 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00leds.c b/drivers/net/wireless/rt2x00/rt2x00leds.c index b362a1cf3f8..66c61b1eca5 100644 --- a/drivers/net/wireless/rt2x00/rt2x00leds.c +++ b/drivers/net/wireless/rt2x00/rt2x00leds.c @@ -72,49 +72,33 @@ void rt2x00leds_led_quality(struct rt2x00_dev *rt2x00dev, int rssi) } } -void rt2x00led_led_activity(struct rt2x00_dev *rt2x00dev, bool enabled) +static void rt2x00led_led_simple(struct rt2x00_led *led, bool enabled) { - struct rt2x00_led *led = &rt2x00dev->led_qual; - unsigned int brightness; + unsigned int brightness = enabled ? LED_FULL : LED_OFF; - if ((led->type != LED_TYPE_ACTIVITY) || !(led->flags & LED_REGISTERED)) + if (!(led->flags & LED_REGISTERED)) return; - brightness = enabled ? LED_FULL : LED_OFF; - if (brightness != led->led_dev.brightness) { - led->led_dev.brightness_set(&led->led_dev, brightness); - led->led_dev.brightness = brightness; - } + led->led_dev.brightness_set(&led->led_dev, brightness); + led->led_dev.brightness = brightness; } -void rt2x00leds_led_assoc(struct rt2x00_dev *rt2x00dev, bool enabled) +void rt2x00led_led_activity(struct rt2x00_dev *rt2x00dev, bool enabled) { - struct rt2x00_led *led = &rt2x00dev->led_assoc; - unsigned int brightness; - - if ((led->type != LED_TYPE_ASSOC) || !(led->flags & LED_REGISTERED)) - return; + if (rt2x00dev->led_qual.type == LED_TYPE_ACTIVITY) + rt2x00led_led_simple(&rt2x00dev->led_qual, enabled); +} - brightness = enabled ? LED_FULL : LED_OFF; - if (brightness != led->led_dev.brightness) { - led->led_dev.brightness_set(&led->led_dev, brightness); - led->led_dev.brightness = brightness; - } +void rt2x00leds_led_assoc(struct rt2x00_dev *rt2x00dev, bool enabled) +{ + if (rt2x00dev->led_assoc.type == LED_TYPE_ASSOC) + rt2x00led_led_simple(&rt2x00dev->led_assoc, enabled); } void rt2x00leds_led_radio(struct rt2x00_dev *rt2x00dev, bool enabled) { - struct rt2x00_led *led = &rt2x00dev->led_radio; - unsigned int brightness; - - if ((led->type != LED_TYPE_RADIO) || !(led->flags & LED_REGISTERED)) - return; - - brightness = enabled ? LED_FULL : LED_OFF; - if (brightness != led->led_dev.brightness) { - led->led_dev.brightness_set(&led->led_dev, brightness); - led->led_dev.brightness = brightness; - } + if (rt2x00dev->led_radio.type == LED_TYPE_ASSOC) + rt2x00led_led_simple(&rt2x00dev->led_radio, enabled); } static int rt2x00leds_register_led(struct rt2x00_dev *rt2x00dev, @@ -125,6 +109,13 @@ static int rt2x00leds_register_led(struct rt2x00_dev *rt2x00dev, int retval; led->led_dev.name = name; + led->led_dev.brightness = LED_OFF; + + /* + * Ensure the LED is off, it might have been enabled + * by the hardware when the device was powered on. + */ + led->led_dev.brightness_set(&led->led_dev, LED_OFF); retval = led_classdev_register(device, &led->led_dev); if (retval) { @@ -199,7 +190,16 @@ exit_fail: static void rt2x00leds_unregister_led(struct rt2x00_led *led) { led_classdev_unregister(&led->led_dev); - led->led_dev.brightness_set(&led->led_dev, LED_OFF); + + /* + * This might look weird, but when we are unregistering while + * suspended the led is already off, and since we haven't + * fully resumed yet, access to the device might not be + * possible yet. + */ + if (!(led->led_dev.flags & LED_SUSPENDED)) + led->led_dev.brightness_set(&led->led_dev, LED_OFF); + led->flags &= ~LED_REGISTERED; } @@ -213,22 +213,40 @@ void rt2x00leds_unregister(struct rt2x00_dev *rt2x00dev) rt2x00leds_unregister_led(&rt2x00dev->led_radio); } +static inline void rt2x00leds_suspend_led(struct rt2x00_led *led) +{ + led_classdev_suspend(&led->led_dev); + + /* This shouldn't be needed, but just to be safe */ + led->led_dev.brightness_set(&led->led_dev, LED_OFF); + led->led_dev.brightness = LED_OFF; +} + void rt2x00leds_suspend(struct rt2x00_dev *rt2x00dev) { if (rt2x00dev->led_qual.flags & LED_REGISTERED) - led_classdev_suspend(&rt2x00dev->led_qual.led_dev); + rt2x00leds_suspend_led(&rt2x00dev->led_qual); if (rt2x00dev->led_assoc.flags & LED_REGISTERED) - led_classdev_suspend(&rt2x00dev->led_assoc.led_dev); + rt2x00leds_suspend_led(&rt2x00dev->led_assoc); if (rt2x00dev->led_radio.flags & LED_REGISTERED) - led_classdev_suspend(&rt2x00dev->led_radio.led_dev); + rt2x00leds_suspend_led(&rt2x00dev->led_radio); +} + +static inline void rt2x00leds_resume_led(struct rt2x00_led *led) +{ + led_classdev_resume(&led->led_dev); + + /* Device might have enabled the LEDS during resume */ + led->led_dev.brightness_set(&led->led_dev, LED_OFF); + led->led_dev.brightness = LED_OFF; } void rt2x00leds_resume(struct rt2x00_dev *rt2x00dev) { if (rt2x00dev->led_radio.flags & LED_REGISTERED) - led_classdev_resume(&rt2x00dev->led_radio.led_dev); + rt2x00leds_resume_led(&rt2x00dev->led_radio); if (rt2x00dev->led_assoc.flags & LED_REGISTERED) - led_classdev_resume(&rt2x00dev->led_assoc.led_dev); + rt2x00leds_resume_led(&rt2x00dev->led_assoc); if (rt2x00dev->led_qual.flags & LED_REGISTERED) - led_classdev_resume(&rt2x00dev->led_qual.led_dev); + rt2x00leds_resume_led(&rt2x00dev->led_qual); } |