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Diffstat (limited to 'Documentation/leds/leds-blinkm.txt')
| -rw-r--r-- | Documentation/leds/leds-blinkm.txt | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/Documentation/leds/leds-blinkm.txt b/Documentation/leds/leds-blinkm.txt deleted file mode 100644 index 9dd92f4cf4e1..000000000000 --- a/Documentation/leds/leds-blinkm.txt +++ /dev/null @@ -1,80 +0,0 @@ -The leds-blinkm driver supports the devices of the BlinkM family. - -They are RGB-LED modules driven by a (AT)tiny microcontroller and -communicate through I2C. The default address of these modules is -0x09 but this can be changed through a command. By this you could -dasy-chain up to 127 BlinkMs on an I2C bus. - -The device accepts RGB and HSB color values through separate commands. -Also you can store blinking sequences as "scripts" in -the controller and run them. Also fading is an option. - -The interface this driver provides is 2-fold: - -a) LED class interface for use with triggers -############################################ - -The registration follows the scheme: -blinkm-<i2c-bus-nr>-<i2c-device-nr>-<color> - -$ ls -h /sys/class/leds/blinkm-6-* -/sys/class/leds/blinkm-6-9-blue: -brightness device max_brightness power subsystem trigger uevent - -/sys/class/leds/blinkm-6-9-green: -brightness device max_brightness power subsystem trigger uevent - -/sys/class/leds/blinkm-6-9-red: -brightness device max_brightness power subsystem trigger uevent - -(same is /sys/bus/i2c/devices/6-0009/leds) - -We can control the colors separated into red, green and blue and -assign triggers on each color. - -E.g.: - -$ cat blinkm-6-9-blue/brightness -05 - -$ echo 200 > blinkm-6-9-blue/brightness -$ - -$ modprobe ledtrig-heartbeat -$ echo heartbeat > blinkm-6-9-green/trigger -$ - - -b) Sysfs group to control rgb, fade, hsb, scripts ... -##################################################### - -This extended interface is available as folder blinkm -in the sysfs folder of the I2C device. -E.g. below /sys/bus/i2c/devices/6-0009/blinkm - -$ ls -h /sys/bus/i2c/devices/6-0009/blinkm/ -blue green red test - -Currently supported is just setting red, green, blue -and a test sequence. - -E.g.: - -$ cat * -00 -00 -00 -#Write into test to start test sequence!# - -$ echo 1 > test -$ - -$ echo 255 > red -$ - - - -as of 6/2012 - -dl9pf <at> gmx <dot> de - |