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1.. SPDX-License-Identifier: GPL-2.0-or-later2 3Kernel driver POWERZ4====================5 6Supported chips:7 8 * ChargerLAB POWER-Z KM003C9 10 Prefix: 'powerz'11 12 Addresses scanned: -13 14Author:15 16 - Thomas Weißschuh <linux@weissschuh.net>17 18Description19-----------20 21This driver implements support for the ChargerLAB POWER-Z USB-C power testing22family.23 24The device communicates with the custom protocol over USB.25 26The channel labels exposed via hwmon match the labels used by the on-device27display and the official POWER-Z PC software.28 29As current can flow in both directions through the tester the sign of the30channel "curr1_input" (label "IBUS") indicates the direction.31