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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6507bf6d89csm4659986a12.35.2026.01.07.06.13.05 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 07 Jan 2026 06:13:07 -0800 (PST) Message-ID: Date: Wed, 7 Jan 2026 15:13:03 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 5/5] arm64: dts: qcom: msm8953-xiaomi-daisy: fix backlight To: =?UTF-8?B?QmFybmFiw6FzIEN6w6ltw6Fu?= , Lee Jones , Daniel Thompson , Jingoo Han , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Kiran Gunda , Helge Deller , Luca Weiss , Konrad Dybcio , Eugene Lepshy , Gianluca Boiano , Alejandro Tafalla Cc: dri-devel@lists.freedesktop.org, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Daniel Thompson , linux-arm-msm@vger.kernel.org, linux-fbdev@vger.kernel.org References: <20260107-pmi8950-wled-v1-0-5e52f5caa39c@mainlining.org> <20260107-pmi8950-wled-v1-5-5e52f5caa39c@mainlining.org> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260107-pmi8950-wled-v1-5-5e52f5caa39c@mainlining.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: C2f2XWY46ZXMCKvN87yl4b8ycHrz2b4c X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTA3MDEwOSBTYWx0ZWRfX73pcLXJiKP3n Lpe7mhk9Ypke+1Gy6PIorW/lOqpChXFCST1f+EEIA3VkjmaaR0spDksm/efBRTuL/sxYM/ca7CD WJVQhwq/dSgtXRzp1nNE9+A9nEH57Wvt4Thzbrr6qoJy5rU07fRQtqubp5oCX5z8I+eAu5pzIkY ZwcqEuBhXiKQ8JUHMmEdxM96ayl+4Y5M1Wy+WG0aNtVYJgrM2pJrKsWQ456xX6EWcUt8dcivP8v nLiSOsl36POXtoS220vcVhuSRQOhnwe58FrNTvLfvQ+6OLg3rAYj5E79KYkpSGi+H8ZcEe4kLBe bnM6dOczkytlPzs/O7peh7nK+7j7mK5nx96cwxrZ0D3JHcxgKilZVOekgbXt45vNBnOsexL7Kzm 7dI36De4nTbbcG3qO4QXequLie+qVw3WY0kUPvR+guvNW3srIiZnFj5VT13KFc6dwag75r+5chd qUJe5J+wrs2ZEaV85gw== X-Authority-Analysis: v=2.4 cv=Pa7yRyhd c=1 sm=1 tr=0 ts=695e69f5 cx=c_pps a=UgVkIMxJMSkC9lv97toC5g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=OuZLqq7tAAAA:8 a=tgJsgVuRmq43osI8c0oA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=1HOtulTD9v-eNWfpl4qZ:22 a=AKGiAy9iJ-JzxKVHQNES:22 X-Proofpoint-ORIG-GUID: C2f2XWY46ZXMCKvN87yl4b8ycHrz2b4c X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-07_02,2026-01-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 phishscore=0 lowpriorityscore=0 priorityscore=1501 bulkscore=0 impostorscore=0 spamscore=0 malwarescore=0 clxscore=1015 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601070109 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On 1/7/26 2:31 PM, Barnabás Czémán wrote: > Set qcom,num-strings to 3 instead of 2 for avoid stripes. """ The backlight on this device is connected via 3 strings. Currently, the DT claims only two are present, which results in visible stripes on the display (since every third backlight string remains unconfigured). Fix the number of strings to avoid that """ Konrad > > Fixes: 38d779c26395 ("arm64: dts: qcom: msm8953: Add device tree for Xiaomi Mi A2 Lite") > Signed-off-by: Barnabás Czémán > --- > arch/arm64/boot/dts/qcom/msm8953-xiaomi-daisy.dts | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/qcom/msm8953-xiaomi-daisy.dts b/arch/arm64/boot/dts/qcom/msm8953-xiaomi-daisy.dts > index ddd7af616794..59f873a06e4d 100644 > --- a/arch/arm64/boot/dts/qcom/msm8953-xiaomi-daisy.dts > +++ b/arch/arm64/boot/dts/qcom/msm8953-xiaomi-daisy.dts > @@ -157,7 +157,7 @@ &pm8953_resin { > > &pmi8950_wled { > qcom,current-limit-microamp = <20000>; > - qcom,num-strings = <2>; > + qcom,num-strings = <3>; > > status = "okay"; > }; >