linux-kernel - Re: [PATCH v11 0/2] PWM support for HiFive Unleashed

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Date:   Thu, 2 May 2019 09:31:16 +0530
From:   Yash Shah <yash.shah@...ive.com>
To:     Andreas Schwab <schwab@...e.de>
Cc:     Palmer Dabbelt <palmer@...ive.com>, linux-pwm@...r.kernel.org,
        linux-riscv@...ts.infradead.org,
        Thierry Reding <thierry.reding@...il.com>, robh+dt@...nel.org,
        mark.rutland@....com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Sachin Ghadi <sachin.ghadi@...ive.com>,
        Paul Walmsley <paul.walmsley@...ive.com>
Subject: Re: [PATCH v11 0/2] PWM support for HiFive Unleashed

Hi Andreas,

On Wed, Mar 27, 2019 at 2:34 PM Andreas Schwab <schwab@...e.de> wrote:
>
> I have now found out that the ledtrig modules don't load automatically.
> I would have expected that the linux,default-trigger entries would cause
> the load of the corresponding ledtrig modules.
>
> But there is another problem, that the leds are on by default.
> Shouldn't they be off by default?

The PWM default output state is high (When duty cycle is 0), So I
guess leds will remain on by default.

Are you able to test the PWM driver at your end? or you still facing
some issues?

>
> Andreas.
>
> --
> Andreas Schwab, SUSE Labs, schwab@...e.de
> GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
> "And now for something completely different."