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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 Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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-ORIG-GUID: 2tpXgcxXAmIUEueAGhBTIBt4nKxBuEEw X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTA3MDEwOSBTYWx0ZWRfX/W26RP8L0Xtg euiTBkrHPDctsAakLKLnjh16HLa+RaLb1khA0Vj3GU+otGe17Lq5Xg5MWvyKt9X9KQG6ZtnB105 1UbxlkQpS1Kuv/P4ZANOY3nHXLCyfjtBeAWpATSmnQ1xg34lhPyd5bq4jGyXgf7+wUveaJqmRi8 gNV6ILUqR/8jlrsGpfJVmMpxVMp4ENkkpZWroohVVkZ0oo1rRFl/Gakhv9RLQzfLNtVBJL225pb tNqobug8By8dWDYN0j18EaZ6iczGZPfkxxKzoF8Dohnd0ZlOI/jYcKgETLqls5od3uApEC/lpf7 mPLFOsPF4Q00Er7qDww+2/qwUZYLMEwxobfudpTBe2PD1LUvUtplal2iRMWbDQeTvITjuOYy6Dp UHJiMnx7rYm2QlDGI+FW1yLzLcuAnfVmMzDju25tlWrXcgmnPCqalxxvo2GVMIccPKTdoEeE3NL 0j0/h6w9g6eHPrrRCAw== X-Authority-Analysis: v=2.4 cv=P7k3RyAu c=1 sm=1 tr=0 ts=695e69f6 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==: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=kacYvNCVWA4VmyqE58fU:22 a=AKGiAy9iJ-JzxKVHQNES:22 X-Proofpoint-GUID: 2tpXgcxXAmIUEueAGhBTIBt4nKxBuEEw 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 suspectscore=0 spamscore=0 phishscore=0 clxscore=1015 malwarescore=0 lowpriorityscore=0 impostorscore=0 adultscore=0 priorityscore=1501 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601070109 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"; > }; >