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Subject: Re: [PATCH 1/2] ARM: dts: imx6dl-yapp4: Fix lp5562 LED driver probe
To:     Shawn Guo <shawnguo@kernel.org>
Cc:     Rob Herring <robh+dt@kernel.org>,
        Fabio Estevam <festevam@gmail.com>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        NXP Linux Team <linux-imx@nxp.com>,
        Pavel Machek <pavel@ucw.cz>,
        Jacek Anaszewski <jacek.anaszewski@gmail.com>,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        stable@vger.kernel.org, linux-leds@vger.kernel.org
References: <20210818070209.1540451-1-michal.vokac@ysoft.com>
From:   =?UTF-8?B?TWljaGFsIFZva8OhxI0=?= <michal.vokac@ysoft.com>
Message-ID: <19c8bb7d-6fe5-3b7d-a8b5-785ba93f7265@ysoft.com>
Date:   Mon, 13 Sep 2021 13:20:33 +0200
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On 18. 08. 21 9:02, Michal Vokáč wrote:
> Since the LED multicolor framework support was added in commit
> 92a81562e695 ("leds: lp55xx: Add multicolor framework support to lp55xx")
> LEDs on this platform stopped working.
> 
> Author of the framework attempted to accommodate this DT to the
> framework in commit b86d3d21cd4c ("ARM: dts: imx6dl-yapp4: Add reg property
> to the lp5562 channel node") but that is not sufficient. A color property
> is now required even if the multicolor framework is not used, otherwise
> the driver probe fails:
> 
>    lp5562: probe of 1-0030 failed with error -22
> 
> Add the color property to fix this.
> 
> Fixes: 92a81562e695 ("leds: lp55xx: Add multicolor framework support to lp55xx")
> Cc: <stable@vger.kernel.org>
> Cc: linux-leds@vger.kernel.org
> Signed-off-by: Michal Vokáč <michal.vokac@ysoft.com>

Hi Shawn,
gentle ping on this little series.

Thank you,
Michal