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| author | Shiji Yang <yangshiji66@qq.com> | 2023-10-31 18:47:49 +0800 |
|---|---|---|
| committer | Christian Lamparter <chunkeey@gmail.com> | 2023-12-02 19:46:14 +0100 |
| commit | e814acc59948943c776ac319a348f72c0d19f33c (patch) | |
| tree | ab8432ac808dfa3bc20d1a01296c553734644761 /package | |
| parent | 6c41c585e37c44e25bc8d63c216635285aa05461 (diff) | |
| download | openwrt-e814acc59948943c776ac319a348f72c0d19f33c.tar.gz openwrt-e814acc59948943c776ac319a348f72c0d19f33c.tar.bz2 openwrt-e814acc59948943c776ac319a348f72c0d19f33c.zip | |
base-files: support parse DT LED color and function
The 'label' property in led node has been deprecated and we'd better
to avoid using it. This patch allows us to extract DT OF LED name
from the newly introduced LED properties "color", "function" and
"function-enumerator".
Signed-off-by: Shiji Yang <yangshiji66@qq.com>
Diffstat (limited to 'package')
| -rw-r--r-- | package/base-files/files/lib/functions/leds.sh | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/package/base-files/files/lib/functions/leds.sh b/package/base-files/files/lib/functions/leds.sh index a7532faa2f..333d900df0 100644 --- a/package/base-files/files/lib/functions/leds.sh +++ b/package/base-files/files/lib/functions/leds.sh @@ -11,6 +11,36 @@ get_dt_led_path() { echo "$ledpath" } +get_dt_led_color_func() { + local enum + local func + local idx + local label + + [ -e "$1/function" ] && func=$(cat "$1/function") + [ -e "$1/color" ] && idx=$((0x$(hexdump -n 4 -e '4/1 "%02x"' "$1/color"))) + [ -e "$1/function-enumerator" ] && \ + enum=$((0x$(hexdump -n 4 -e '4/1 "%02x"' "$1/function-enumerator"))) + + [ -z "$idx" ] && [ -z "$func" ] && return 2 + + if [ -n "$idx" ]; then + for color in "white" "red" "green" "blue" "amber" \ + "violet" "yellow" "ir" "multicolor" "rgb" \ + "purple" "orange" "pink" "cyan" "lime" + do + [ $idx -eq 0 ] && label="$color" && break + idx=$((idx-1)) + done + fi + + label="$label:$func" + [ -n "$enum" ] && label="$label-$enum" + echo "$label" + + return 0 +} + get_dt_led() { local label local ledpath=$(get_dt_led_path $1) @@ -18,6 +48,7 @@ get_dt_led() { [ -n "$ledpath" ] && \ label=$(cat "$ledpath/label" 2>/dev/null) || \ label=$(cat "$ledpath/chan-name" 2>/dev/null) || \ + label=$(get_dt_led_color_func "$ledpath") || \ label=$(basename "$ledpath") echo "$label" |