Re: [PATCH 2/2] DT: leds: Add Qualcomm Light Pulse Generator binding

From: Pavel Machek
Date: Wed Mar 29 2017 - 18:13:35 EST


Hi!

> +- qcom,pattern:
> + Usage: optional
> + Value type: <u16-list>
> + Definition: list of 16 bit duty cycle values to make up the pattern to
> + be programmed into the LUT. Values should be in the range
> + [0,512).
> +
> +- qcom,pattern-length-ms:
> + Usage: optional
> + Value type: <u32>
> + Definition: duration, in milliseconds, of the ramp generator running
> + one pass over the defined pattern
> +
> +- qcom,pattern-pause-lo-ms:
> + Usage: optional
> + Value type: <u32>
> + Definition: duration, in milliseconds, for the ramp generator to pause
> + before iterating over the pattern
> +
> +- qcom,pattern-pause-hi-ms:
> + Usage: optional
> + Value type: <u32>
> + Definition: duration, in milliseconds, for the ramp generator to pause
> + after iterating over the pattern
> +
> +- qcom,pattern-ping-pong:
> + Usage: optional
> + Value type: <boolean>
> + Definition: denotes that the ramp generator should reverse direction
> + when reaching the end of the pattern, instead of wrapping
> + to the beginning
> +
> +- qcom,pattern-oneshot:
> + Usage: optional
> + Value type: <boolean>
> + Definition: denotes that the ramp generator should stop after a single
> + pass over the pattern
> +
> +- qcom,pattern-reverse:
> + Usage: optional
> + Value type: <boolean>
> + Definition: denotes that the ramp generator should operate backwards
> + over the pattern

I'd not do this. While we _may_ want to specify default trigger and
default blinking behaviour, we should do it in a way that is common
for all the drivers.

Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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