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Fri, 23 Oct 2026 06:55:58 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6b432c01274sm1156244a12.4.2026.10.23.06.55.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 23 Oct 2026 06:55:56 -0700 (PDT) Message-ID: <625f7af0-5977-41e3-a76d-fde8f998ed97@oss.qualcomm.com> Date: Fri, 23 Oct 2026 15:55:55 +0200 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] power: supply: qcom_battmgr: do not report power_now on SM8750 To: Qianhui Xu Cc: linux-pm@vger.kernel.org, sre@kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261013002124.332111-1-xiaqinghuan@mail.ustc.edu.cn> <5bf3636d-be7a-4800-9914-808d2fc5ebd9@oss.qualcomm.com> <179259054168.209323.8102186130128474174@mail.ustc.edu.cn> <52fc4222-508d-4acf-b38a-7b4e5aeff3cb@oss.qualcomm.com> <179274197125.1374502.18211548118625978753@mail.ustc.edu.cn> <63cf18bc-5c89-4a55-aa15-2550dc47c155@oss.qualcomm.com> <179276336012.97124.9436748752781883311@mail.ustc.edu.cn> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <179276336012.97124.9436748752781883311@mail.ustc.edu.cn> Content-Type: text/plain; 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The public support surface is consumer warranty, not > engineering. We are an independent bring-up, not a customer of theirs. > - I also asked the person who is upstreaming the mainline DT for this same > board (separate thread, private) whether a downstream tree exists publicly. > There are partial downstream trees for sibling Lenovo tablets, but none that > covers this unit's QBG/battery path. > > So "ask the vendor" is not available to us. What I could do instead, I did: > boot the unit's own stock Android and compare it against mainline on the same > battery. I know you're independent. Vendors generally have an obligation to release GPL2 source code and have channels to request it. Calling customer support will probably get you nowhere though, as it's not the correct place. Konrad