2020. december 28., hétfő 23:02 keltezéssel, Roderick Colenbrander írta: > [...] > > Furthermore, I don't quite see the purpose of this function. The LED core > > can handle if no brightness_get() callback is provided. And since this > > function returns just a cached value, I fail to see how it is different from > > the default behaviour of the LED core, which is returning the last brightness > > value. Am I missing something? > > Not all values may get set through sysfs. For example in the next > patch (12/13) the driver sets a default player LED mask value directly > and may set e.g. 0x1f or so. This could use the LED APIs, but the LED > framework doesn't have any group LED support (besides the new > multicolor class) and as such would get scheduled across multiple > output reports. > [...] You're right, I've missed that.
