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// Copyright 2021 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package pm
import (
"fmt"
)
// Reader reads the pin configuration from a source.
type Reader interface {
Name() string
Read(key string, arg string) (*Pins, error)
}
// readerlist is registered list of readers.
var readerList []Reader
// ReadPins will use the selected reader and the key to
// read the EC pin data.
func ReadPins(reader, key, arg string) (*Pins, error) {
for _, r := range readerList {
if r.Name() == reader {
return r.Read(key, arg)
}
}
return nil, fmt.Errorf("%s: unknown reader", reader)
}
// Readers returns a list of the reader names.
func Readers() []string {
var l []string
for _, r := range readerList {
l = append(l, r.Name())
}
return l
}
// RegisterReader will add this reader to the registered list of readers.
func RegisterReader(reader Reader) {
readerList = append(readerList, reader)
}
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