On 10/06/2017 01:48 PM, Pavel Machek wrote: > On Wed 2017-09-20 22:08:42, Jacek Anaszewski wrote: >> On 09/20/2017 01:29 PM, Pavel Machek wrote: >>>>>>> I'd leave the decision to the user. We could add a note to the >>>>>>> Documentation/leds/ledtrig-transient.txt that force feedback interface >>>>>>> should be preferable choice for driving vibrate devices. >>>>>>> However only if following conditions are met: >>>>>> >>>>>> What I meant is that it is my decision, as a LED subsystem maintainer, >>>>>> to accept the addition of a note about some other subsystem offering >>>>>> an equivalent or even better substitute of the feature being available >>>>>> in the subsystem I am responsible for. And I will accept such a patch >>>>>> only if mentioned conditions are met. >>>>> >>>>> Having the wording in documentation does not in any way stops Android >>>>> folks from continuing [ab]using the transient trigger. But this is >>>>> their choice. The purpose of documentation is to document the best >>>>> practices, not all possible crazy solutions one can come up with. >>>> >>>> Yes. but if the information has been in place for years, we can't >>>> just remove it without giving an instruction on how to use the >>>> substitute. >>> >>> I gave you information how to use the substitute. >> >> That information was quite vague. I'd like to see a sample application >> in tools/input. > > So please write it. This is my demand as a reviewer. I've already laid out the conditions under which I'll accept the patch. It seems that you're proficient in the subject enough to cope with this task. >>> I already suggested patch to documentation. If you do the same, maybe >>> we can agree on documentation update. >> >> Your patch was just removing few lines of documentation. I'd expect more >> empathic approach to the current users, i.e.: >> >> - pointer to the sample application in tools/input showing how to >> setup gpio driven vibrate device with use of ff interface with >> 1kHz vibration frequency. > > Yes, my patch is removing dangerously misleading documentation about > LED subsystem. It's neither dangerous nor misleading. > Please apply it. Right after I'll get the patch with the tool showing how to use input subsystem to achieve the same effect as with use of ledtrig-transient. -- Best regards, Jacek Anaszewski -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
