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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-bd4f4eb6320sm571591966b.59.2026.05.18.07.36.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 18 May 2026 07:36:34 -0700 (PDT) Message-ID: <56a54a34-1040-44ae-92e2-ce65a3d3acb5@oss.qualcomm.com> Date: Mon, 18 May 2026 16:36:32 +0200 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 0/2] qcom_battmgr: Add batteryless DC-adapter MAINS support To: Rakesh Kota , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sebastian Reichel Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org References: <20260518-add_dc_in_support-v1-0-31fbaa329879@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260518-add_dc_in_support-v1-0-31fbaa329879@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=a4MAM0SF c=1 sm=1 tr=0 ts=6a0b23f4 cx=c_pps a=DUEm7b3gzWu7BqY5nP7+9g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=kDyHj_zsKyADgF95HkcA:9 a=QEXdDO2ut3YA:10 a=-aSRE8QhW-JAV6biHavz:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTE4MDE0MiBTYWx0ZWRfX+l0zneUgde3y 8iQa1OBaI85CcdWjETVrI8U+L9nLqvhY3/6IryhKNs4TcH+RJMmyTHTZd1sY1yENVPJv+AFg1W3 hF9f2mTyYvPIN+o5xMBV2uhdH0oBtNA2emkIt/Y5h3hXOXvoyhXYwNDm782dD1JPXr5IvpkxY90 JwnxCxdTPzRR+V2XoN6O0Qw9EwnekbxubGuwl9h0vQ9aY8VmSBpIA9C3NUYKCimYUBUawUZQ/1Z S17kdF6K75RT0uvrhC0nWx/1gt34n5DtoEy6PGKVHPtADrXwlip9uJizDs/yz1uTCcFApxJs4ZQ vUilNPIGGPhX/beAohr71j0GxGDVvvfgcxChq+RYsoMaOVjyu8g1lzLFAdZueKxDeCoBj3bS2se kYdF2kQFdasotF1TuwNPWSJx1N33CELfTiqhJDnYgCyI71utUSE7Pp3KOL8g1xJCNakB3s15jtY s+paY1tfrm0OQL+ObCA== X-Proofpoint-ORIG-GUID: QaeI_AMJEjSycQrTuN1l3VHy3W1288lT X-Proofpoint-GUID: QaeI_AMJEjSycQrTuN1l3VHy3W1288lT X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-18_03,2026-05-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 bulkscore=0 adultscore=0 clxscore=1015 priorityscore=1501 impostorscore=0 suspectscore=0 spamscore=0 phishscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605130000 definitions=main-2605180142 On 5/18/26 3:49 PM, Rakesh Kota wrote: > On batteryless boards powered by 12V DC adapters, registering the > power supply as BATTERY causes userspace to incorrectly trigger > battery power-saving sequences. Does battman really offer no way of differentiating whether a battery is *actually* present in such cases? What boards are affected? Konrad