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From:   Marijn Suijten <marijn.suijten@somainline.org>
To:     phone-devel@vger.kernel.org, Andy Gross <agross@kernel.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Lee Jones <lee.jones@linaro.org>,
        Daniel Thompson <daniel.thompson@linaro.org>,
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Cc:     ~postmarketos/upstreaming@lists.sr.ht,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@somainline.org>,
        Konrad Dybcio <konrad.dybcio@somainline.org>,
        Martin Botka <martin.botka@somainline.org>,
        Jami Kettunen <jami.kettunen@somainline.org>,
        Pavel Dubrova <pashadubrova@gmail.com>,
        Marijn Suijten <marijn.suijten@somainline.org>,
        Kiran Gunda <kgunda@codeaurora.org>,
        Courtney Cavin <courtney.cavin@sonymobile.com>,
        Bryan Wu <cooloney@gmail.com>, linux-arm-msm@vger.kernel.org,
        dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH 03/10] backlight: qcom-wled: Override num-strings when enabled-strings is set
Date:   Mon,  4 Oct 2021 21:27:34 +0200
Message-Id: <20211004192741.621870-4-marijn.suijten@somainline.org>
In-Reply-To: <20211004192741.621870-1-marijn.suijten@somainline.org>
References: <20211004192741.621870-1-marijn.suijten@somainline.org>
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DT-bindings do not specify num-strings as mandatory property, yet it is
required to be specified even if enabled-strings is used.  The length of
that property-array should already be enough to determine exactly which
and how many strings to enable.

Fixes: 775d2ffb4af6 ("backlight: qcom-wled: Restructure the driver for WLED3")
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
---
 drivers/video/backlight/qcom-wled.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/video/backlight/qcom-wled.c b/drivers/video/backlight/qcom-wled.c
index 9927ed98944a..29910e603c42 100644
--- a/drivers/video/backlight/qcom-wled.c
+++ b/drivers/video/backlight/qcom-wled.c
@@ -1536,6 +1536,8 @@ static int wled_configure(struct wled *wled)
 				string_len, rc);
 			return -EINVAL;
 		}
+
+		cfg->num_strings = string_len;
 	}
 
 	return 0;
-- 
2.33.0