]> git.ipfire.org Git - thirdparty/kernel/stable.git/commitdiff
power: supply: qcom_battmgr: Recognize "LiP" as lithium-polymer
authorVal Packett <val@packett.cool>
Tue, 20 Jan 2026 23:57:58 +0000 (20:57 -0300)
committerSebastian Reichel <sebastian.reichel@collabora.com>
Fri, 30 Jan 2026 19:58:57 +0000 (20:58 +0100)
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 <val@packett.cool>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://patch.msgid.link/20260120235831.479038-1-val@packett.cool
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
drivers/power/supply/qcom_battmgr.c

index c8028606bba0090c2fd90de63a095c05cc614ce3..80572ee945b4f8fe831e0e890a3cc565a755db02 100644 (file)
@@ -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);