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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-kernel@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: -hb3vZvrsJbRgzZG-bjdKf2dQsEVeRb6 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTA3MDEwOSBTYWx0ZWRfX+ZlIeg3mFpU5 uxAmwWBvuY+R7tZNuiJEwcB+Ia+LMVePGgJqJE3qLMACJ7qq1w2oIVLxlDdgKjzK/EcySc32pC6 nkguKyhMyHYiq8IyR8mFJZAvSIP1AntFdDCuWGNWWiSetmLbFvm87FWRiS9F3Yum6JktWMgG0tb 9GoV9QydCa+Vy+NzjuVrndOSSqPgSmKMJc1pNeEbRTdrfGVXSWJhA+liowTPWk/7vuF07uXFyGb 1wU2K9+hEDHU65xSj4ouZXy2jx9M9Qvc4/Znpqg3xt4c7E1VlfPkjsPOofB8phs5XAuoyBrWjfQ mUJ05gOP2XBbWF7X9976sk0YU7jlFJqZWDSRUSVNr8zK/UeGK+d9gq/ScIxbtxYRpZK796u3QPj QTaPjK8dJ3ax0bRsiln50zoy8IlC2VjWW652M6QLAhb5cK7OpAs7UsxMdhCJX4pCdjQV47lbKLv B6xvtXGVjsm27bbnjAA== X-Authority-Analysis: v=2.4 cv=P7k3RyAu c=1 sm=1 tr=0 ts=695e69f6 cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==: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=dawVfQjAaf238kedN5IG:22 a=AKGiAy9iJ-JzxKVHQNES:22 X-Proofpoint-GUID: -hb3vZvrsJbRgzZG-bjdKf2dQsEVeRb6 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"; > }; >