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i2c: Fix conditional for substituting empty ACPI functions
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1 .. SPDX-License-Identifier: GPL-2.0-or-later
2
3 Kernel driver POWERZ
4 ====================
5
6 Supported chips:
7
8   * ChargerLAB POWER-Z KM003C
9
10     Prefix: 'powerz'
11
12     Addresses scanned: -
13
14 Author:
15
16   - Thomas Weißschuh <[email protected]>
17
18 Description
19 -----------
20
21 This driver implements support for the ChargerLAB POWER-Z USB-C power testing
22 family.
23
24 The device communicates with the custom protocol over USB.
25
26 The channel labels exposed via hwmon match the labels used by the on-device
27 display and the official POWER-Z PC software.
28
29 As current can flow in both directions through the tester the sign of the
30 channel "curr1_input" (label "IBUS") indicates the direction.
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