diff options
Diffstat (limited to 'Documentation/leds/leds-qcom-lpg.rst')
| -rw-r--r-- | Documentation/leds/leds-qcom-lpg.rst | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/leds/leds-qcom-lpg.rst b/Documentation/leds/leds-qcom-lpg.rst index f12416f02dd8..de7ceead9337 100644 --- a/Documentation/leds/leds-qcom-lpg.rst +++ b/Documentation/leds/leds-qcom-lpg.rst @@ -35,11 +35,13 @@ Specify a hardware pattern for a Qualcomm LPG LED. The pattern is a series of brightness and hold-time pairs, with the hold-time expressed in milliseconds. The hold time is a property of the pattern and must therefor be identical for each element in the pattern (except for the pauses -described below). +described below). As the LPG hardware is not able to perform the linear +transitions expected by the leds-trigger-pattern format, each entry in the +pattern must be followed a zero-length entry of the same brightness. Simple pattern:: - "255 500 0 500" + "255 500 255 0 0 500 0 0" ^ | @@ -54,7 +56,7 @@ in the pattern, the so called "low pause" and "high pause". Low-pause pattern:: - "255 1000 0 500 255 500 0 500" + "255 1000 255 0 0 500 0 0 255 500 255 0 0 500 0 0" ^ | |