From nobody Mon Feb 9 00:43:06 2026 Received: from out-177.mta1.migadu.com (out-177.mta1.migadu.com [95.215.58.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A5E6833C53F for ; Tue, 20 Jan 2026 23:58:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.177 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768953537; cv=none; b=Li5K5VoMogoX9IqG3rDj7jHXA86NlJa61oYsCmIfq7Qd90dByDWFhUEEgnBuC64yYWJNc+e27YcoYcIi3I3tKfJAvstgCUb0laVPh2Toivnlpw9DJPlXsteUxEsIl1LwLaivAn2Dz1OPJWVZ8rbvymXifBrT2yMscR8RSnGMCGo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768953537; c=relaxed/simple; bh=iCgyARgrL4jNc+f7AfiLwakcw8KtvOcHUGBvFMS8Dxs=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=LNE1KCOuwoZmyCLMbDcUWZzdoB7SNyH+sV1dh4yZZPFFZuAziZIpaPjqCbExrmC6zey6EFbymr2tvfn6V34YcBWC3AR4c0u4lR2aHyGEPlXBH9WsdOhFLCv6WqxIaWSb6xpDfM8C/yle2Omor32/b93m4J19QYWVa9NA9fnwugc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=packett.cool; spf=pass smtp.mailfrom=packett.cool; dkim=pass (2048-bit key) header.d=packett.cool header.i=@packett.cool header.b=Jdd9XQ6M; arc=none smtp.client-ip=95.215.58.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=packett.cool Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=packett.cool Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=packett.cool header.i=@packett.cool header.b="Jdd9XQ6M" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=packett.cool; s=key1; t=1768953533; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=G/t8n4CvPeAIf8maRs4pi1rTzryPPyw3YqamULJfMYo=; b=Jdd9XQ6MFA2UTzbhfvSI9aHS7nhYSc7nPicTRADMvrjdxHU7F5PJAzgHI8WdiV0yJX4YfH hFtiWWGXNbF+kgJhFIev2xkGzvqevwng/auxOZC6K4+BW5YArfEYaDHAqIutO7s9EDH97u sEoIx9nwnDJv5zVxx/GBJw100ZoeXZ33dCKaPL8amxEUQJqT6XU6NB0nzu9/w1u1EouRax ZuVFlo8brBcU3Fxwjy0eDbytUbtQHdfQBoo8AV4cen/KVetWHJIXziit+ywLahBpBTzNzq P8hGntUmvG1OmKHh2UkxtQp8ohJjgeVvZYann31qM7HMoXk+GS8D1h0P6ViKAw== From: Val Packett To: Sebastian Reichel , Abel Vesa , Dmitry Baryshkov Cc: Val Packett , Sebastian Reichel , linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] power: supply: qcom_battmgr: Recognize "LiP" as lithium-polymer Date: Tue, 20 Jan 2026 20:57:58 -0300 Message-ID: <20260120235831.479038-1-val@packett.cool> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" On the Dell Latitude 7455, the firmware uses "LiP" with a lowercase 'i' for the battery chemistry type, but only all-uppercase "LIP" was being recognized. Add the CamelCase variant to the check to fix the "Unknown battery technology" warning. Fixes: 202ac22b8e2e ("power: supply: qcom_battmgr: Add lithium-polymer entr= y") Signed-off-by: Val Packett Reviewed-by: Dmitry Baryshkov Reviewed-by: Konrad Dybcio --- v2: removed extra parentheses v1: https://lore.kernel.org/all/20260117210941.6219-1-val@packett.cool/ drivers/power/supply/qcom_battmgr.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/power/supply/qcom_battmgr.c b/drivers/power/supply/qco= m_battmgr.c index c8028606bba0..80572ee945b4 100644 --- a/drivers/power/supply/qcom_battmgr.c +++ b/drivers/power/supply/qcom_battmgr.c @@ -1240,7 +1240,8 @@ static unsigned int qcom_battmgr_sc8280xp_parse_techn= ology(const char *chemistry if ((!strncmp(chemistry, "LIO", BATTMGR_CHEMISTRY_LEN)) || (!strncmp(chemistry, "OOI", BATTMGR_CHEMISTRY_LEN))) return POWER_SUPPLY_TECHNOLOGY_LION; - if (!strncmp(chemistry, "LIP", BATTMGR_CHEMISTRY_LEN)) + if (!strncmp(chemistry, "LIP", BATTMGR_CHEMISTRY_LEN) || + !strncmp(chemistry, "LiP", BATTMGR_CHEMISTRY_LEN)) return POWER_SUPPLY_TECHNOLOGY_LIPO; =20 pr_err("Unknown battery technology '%s'\n", chemistry); --=20 2.51.2