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Add generic support for composing LED class device name. The newly introduced led_compose_name() function composes device name according to either <color:function> or <devicename:color:function> pattern, depending on the configuration of initialization data. Backward compatibility with in-driver hard-coded LED class device names is assured thanks to the default_label and devicename properties of newly introduced struct led_init_data. In case none of the aforementioned properties was found, then, for OF nodes, the node name is adopted for LED class device name. At the occassion of amending the Documentation/leds/leds-class.txt unify spelling: colour -> color. Alongside these changes added is a new tool - tools/leds/get_led_device_info.sh. The tool allows retrieving details of a LED class device's parent device, which proves that using vendor or product name for devicename part of LED name doesn't convey any added value since that information had been already available in sysfs. The script performs also basic validation of a LED class device name. Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com> Cc: Baolin Wang <baolin.wang@linaro.org> Cc: Dan Murphy <dmurphy@ti.com> Cc: Daniel Mack <daniel@zonque.org> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Oleh Kravchenko <oleg@kaa.org.ua> Cc: Sakari Ailus <sakari.ailus@linux.intel.com> Cc: Simon Shields <simon@lineageos.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Pavel Machek <pavel@ucw.cz> |
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| .. | ||
| .gitignore | ||
| get_led_device_info.sh | ||
| led_hw_brightness_mon.c | ||
| Makefile | ||
| uledmon.c | ||