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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6507b9d4c89sm4571078a12.10.2026.01.07.06.03.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 07 Jan 2026 06:03:39 -0800 (PST) Message-ID: Date: Wed, 7 Jan 2026 15:03:36 +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 1/5] dt-bindings: backlight: qcom-wled: Document ovp values for PMI8950 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-v1-1-5e52f5caa39c@mainlining.org> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260107-pmi8950-wled-v1-1-5e52f5caa39c@mainlining.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=LJhrgZW9 c=1 sm=1 tr=0 ts=695e67bf cx=c_pps a=VEzVgl358Dq0xwHDEbsOzA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=OuZLqq7tAAAA:8 a=EUspDBNiAAAA:8 a=WZtaUWDQifwC2z0g4SgA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=uujmmnXaIg8lM0-o0HFK:22 a=AKGiAy9iJ-JzxKVHQNES:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTA3MDEwOCBTYWx0ZWRfX+agQN2Do1NDF W2aB3ufMetHiogt9lrQ01BBKSI0iuAi9jNSA/NhsYM1diElKQytthrnuv+mRNsIXVPJ+HcMuWuS zg5NXcpX8DsuWNpZG3x1ul1v5sWFplKzDBFuQWA7qn9bNIDoU1sfvRo6DVoxRTpAue8MlNT1qHD 14pI2jz9r1tsY9ZhTxg1KFDxQ91NOJ/DSACvfB2r5P8x/xrXmYlVL/AAX9geuhB/7EqI32hS2Nd v+VzNBHPfkMPUvg6eYk2NJ/KM8pruTXYQk6mIInkKHQKLKPZaauvHhGfS6g2y0IZHDuD6i5rU3s DW0BlLgUKJ5KdfKiG4ct5zPNYEV0NsMAj31Rgh/TSXK3loY9q3H2/aozxCg9XLai5mvQre+0zn1 Wn7g9e3J73uKyeRzbT6KvY/D2MCQN6LlcKpX97bF22WwZXT/Y6ht7y32zE4C3tte8Q0Ls2vg2ms OzC2LYzu6M0QsY57Vyg== X-Proofpoint-GUID: rO0g_stEhLh-Q6a0I5R8lk-RsjYl2d76 X-Proofpoint-ORIG-GUID: rO0g_stEhLh-Q6a0I5R8lk-RsjYl2d76 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 priorityscore=1501 bulkscore=0 adultscore=0 impostorscore=0 suspectscore=0 clxscore=1015 spamscore=0 phishscore=0 lowpriorityscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601070108 On 1/7/26 2:31 PM, Barnabás Czémán wrote: > Document ovp values supported by wled found in PMI8950. > > Signed-off-by: Barnabás Czémán > --- > .../bindings/leds/backlight/qcom-wled.yaml | 20 ++++++++++++++++++-- > 1 file changed, 18 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml b/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml > index a8490781011d..306fb6642617 100644 > --- a/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml > +++ b/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml > @@ -98,8 +98,6 @@ properties: > description: | > Over-voltage protection limit. This property is for WLED4 only. > $ref: /schemas/types.yaml#/definitions/uint32 > - enum: [ 18100, 19600, 29600, 31100 ] > - default: 29600 > > qcom,num-strings: > description: | > @@ -239,6 +237,24 @@ allOf: > minimum: 0 > maximum: 4095 > > + - if: > + properties: > + compatible: > + contains: > + const: qcom,pmi8950-wled > + > + then: > + properties: > + qcom,ovp-millivolt: > + enum: [ 17800, 19400, 29500, 31000 ] > + default: 29500 > + > + else: > + properties: > + qcom,ovp-millivolt: > + enum: [ 18100, 19600, 29600, 31100 ] > + default: 29600 Out of the supported ones: { .compatible = "qcom,pmi8950-wled", .data = (void *)4 }, { .compatible = "qcom,pmi8994-wled", .data = (void *)4 }, { .compatible = "qcom,pmi8998-wled", .data = (void *)4 }, { .compatible = "qcom,pm660l-wled", .data = (void *)4 }, I can confirm both allowed and default values for PMI8950/98/PM660L I could not find any data for PMI8994 (or PMI8996, the essentially PMI8994-revbump), but it's very probable that 8950 is an oddball, so: Reviewed-by: Konrad Dybcio Konrad