[lkml]   [2005]   [Nov]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: best way to handle LEDs

    > Led triggers would be kernel sources of led on/off events. Some
    > examples:
    > 2Hz Heartbeat - useful for debugging (and/or Generic Timer)
    > CPU Load indicator
    > Charging indicator
    > HDD activity (useful for microdrive on handheld)
    > Network activity
    > no doubt many more
    > led triggers would be connected to leds via sysfs. Each trigger would
    > probably have a number you could echo into an led's trigger attribute.
    > Sensible default mappings could be had by assigning a default trigger to
    > a device by name in the platform code that declares the led.

    Perhaps I'd keep it simple and leave it at

    * do hardcoded kernel action for this led


    * do whatever userspace tells you.

    That way you will not be able to remap charger LED onto hard disk
    indicator, but we can support that on ibm-acpi too. (Where hw controls
    LEDs like "sleep", but lets you control them. You can't remap,
    Thanks, Sharp!
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2005-11-02 14:59    [W:0.025 / U:6.372 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site