From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 ADF2718B0A; Wed, 25 Feb 2026 01:36:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771983369; cv=none; b=KgK9RbGbTl1RChN14+dbbjLSgTFk3xabOGdoPSd//n1FFMmWAQ3Ee5nZSkrxznjLfgsH1NjQFAMyEGNLipaGzy90IIkB+oWWOFJozZ4v2J8eG4lyA/vAei5yOQe79GlMrr80hRj1njhBwU6mjlJwGxLfbjuntdPLpmUCW4K4CSs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771983369; c=relaxed/simple; bh=KRpKMMmnWv7KZsmlzjDyxjkxbv5H7YPS7QZw+PnV3KM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=m8oRYvwvjcmVfeFE7jsXOmWrGUYB6QwwoaDpPjeO5vHp39s5I0JRAAnRWwRJgSrK4Scz4FwUDn3ETBwd/2z53RNmP4ay7LrhBQ3/4t841cDJaTLdgAWJYTVC5ajjz7yP+IULWds1pd1H4G1vfx9FAN19uDmDIeHCnCPQ+gQqbok= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=rhfJD92w; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="rhfJD92w" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 74F37C116D0; Wed, 25 Feb 2026 01:36:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1771983369; bh=KRpKMMmnWv7KZsmlzjDyxjkxbv5H7YPS7QZw+PnV3KM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rhfJD92wqyYoWQcgq0zLRvi9xVjluHglPoqcaqkHe5YNQ7ncvzKVRqV664QGrbDeK uAXRyak8fzHMIxftADdUeDAmrFxK4RNQZnDCMZF9+DMtyED+MKQ1iUIuReID52hOF5 A2gdBhFG7KIswqCSR6GH5npSB2ql4xfxTlf5eN78= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Val Packett , Konrad Dybcio , Dmitry Baryshkov , Sebastian Reichel , Sasha Levin Subject: [PATCH 6.19 495/781] power: supply: qcom_battmgr: Recognize "LiP" as lithium-polymer Date: Tue, 24 Feb 2026 17:20:04 -0800 Message-ID: <20260225012411.950133243@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260225012359.695468795@linuxfoundation.org> References: <20260225012359.695468795@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Val Packett [ Upstream commit c655f45480637aee326b5bd96488d35ab90db2b0 ] 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 entry") Signed-off-by: Val Packett Reviewed-by: Konrad Dybcio Reviewed-by: Dmitry Baryshkov Link: https://patch.msgid.link/20260120235831.479038-1-val@packett.cool Signed-off-by: Sebastian Reichel Signed-off-by: Sasha Levin --- 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/qcom_battmgr.c index c8028606bba00..80572ee945b4f 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_technology(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; pr_err("Unknown battery technology '%s'\n", chemistry); -- 2.51.0