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Unverified Commit 1b3b7981 authored by Peter Rosin's avatar Peter Rosin Committed by Mark Brown
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ASoC: atmel: tse850: switch to SPDX license identifier



Convert to // comments in the leading comment, drop the boilerplate
license text and use the correct MODULE_LICENSE.

Signed-off-by: default avatarPeter Rosin <peda@axentia.se>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent a1b1e988
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+36 −42
Original line number Diff line number Diff line
/*
 * TSE-850 audio - ASoC driver for the Axentia TSE-850 with a PCM5142 codec
 *
 * Copyright (C) 2016 Axentia Technologies AB
 *
 * Author: Peter Rosin <peda@axentia.se>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

/*
 *               loop1 relays
 *   IN1 +---o  +------------+  o---+ OUT1
 *            \                /
 *             +              +
 *             |   /          |
 *             +--o  +--.     |
 *             |  add   |     |
 *             |        V     |
 *             |      .---.   |
 *   DAC +----------->|Sum|---+
 *             |      '---'   |
 *             |              |
 *             +              +
 *
 *   IN2 +---o--+------------+--o---+ OUT2
 *               loop2 relays
 *
 * The 'loop1' gpio pin controlls two relays, which are either in loop
 * position, meaning that input and output are directly connected, or
 * they are in mixer position, meaning that the signal is passed through
 * the 'Sum' mixer. Similarly for 'loop2'.
 *
 * In the above, the 'loop1' relays are inactive, thus feeding IN1 to the
 * mixer (if 'add' is active) and feeding the mixer output to OUT1. The
 * 'loop2' relays are active, short-cutting the TSE-850 from channel 2.
 * IN1, IN2, OUT1 and OUT2 are TSE-850 connectors and DAC is the PCB name
 * of the (filtered) output from the PCM5142 codec.
 */
// SPDX-License-Identifier: GPL-2.0
//
// TSE-850 audio - ASoC driver for the Axentia TSE-850 with a PCM5142 codec
//
// Copyright (C) 2016 Axentia Technologies AB
//
// Author: Peter Rosin <peda@axentia.se>
//
//               loop1 relays
//   IN1 +---o  +------------+  o---+ OUT1
//            \                /
//             +              +
//             |   /          |
//             +--o  +--.     |
//             |  add   |     |
//             |        V     |
//             |      .---.   |
//   DAC +----------->|Sum|---+
//             |      '---'   |
//             |              |
//             +              +
//
//   IN2 +---o--+------------+--o---+ OUT2
//               loop2 relays
//
// The 'loop1' gpio pin controlls two relays, which are either in loop
// position, meaning that input and output are directly connected, or
// they are in mixer position, meaning that the signal is passed through
// the 'Sum' mixer. Similarly for 'loop2'.
//
// In the above, the 'loop1' relays are inactive, thus feeding IN1 to the
// mixer (if 'add' is active) and feeding the mixer output to OUT1. The
// 'loop2' relays are active, short-cutting the TSE-850 from channel 2.
// IN1, IN2, OUT1 and OUT2 are TSE-850 connectors and DAC is the PCB name
// of the (filtered) output from the PCM5142 codec.

#include <linux/clk.h>
#include <linux/gpio.h>
@@ -452,4 +446,4 @@ module_platform_driver(tse850_driver);
/* Module information */
MODULE_AUTHOR("Peter Rosin <peda@axentia.se>");
MODULE_DESCRIPTION("ALSA SoC driver for TSE-850 with PCM5142 codec");
MODULE_LICENSE("GPL");
MODULE_LICENSE("GPL v2");