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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/sound/soc/atmel/tse850-pcm5142.c
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..
@@ -1,44 +1,38 @@
1
-/*
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- * TSE-850 audio - ASoC driver for the Axentia TSE-850 with a PCM5142 codec
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- *
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- * Copyright (C) 2016 Axentia Technologies AB
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- *
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- * Author: Peter Rosin <peda@axentia.se>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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- */
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-
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-/*
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- *               loop1 relays
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- *   IN1 +---o  +------------+  o---+ OUT1
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- *            \                /
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- *             +              +
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- *             |   /          |
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- *             +--o  +--.     |
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- *             |  add   |     |
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- *             |        V     |
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- *             |      .---.   |
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- *   DAC +----------->|Sum|---+
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- *             |      '---'   |
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- *             |              |
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- *             +              +
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- *
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- *   IN2 +---o--+------------+--o---+ OUT2
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- *               loop2 relays
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- *
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- * The 'loop1' gpio pin controlls two relays, which are either in loop
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- * position, meaning that input and output are directly connected, or
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- * they are in mixer position, meaning that the signal is passed through
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- * the 'Sum' mixer. Similarly for 'loop2'.
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- *
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- * In the above, the 'loop1' relays are inactive, thus feeding IN1 to the
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- * mixer (if 'add' is active) and feeding the mixer output to OUT1. The
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- * 'loop2' relays are active, short-cutting the TSE-850 from channel 2.
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- * IN1, IN2, OUT1 and OUT2 are TSE-850 connectors and DAC is the PCB name
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- * of the (filtered) output from the PCM5142 codec.
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- */
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+// SPDX-License-Identifier: GPL-2.0
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+//
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+// TSE-850 audio - ASoC driver for the Axentia TSE-850 with a PCM5142 codec
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+//
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+// Copyright (C) 2016 Axentia Technologies AB
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+//
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+// Author: Peter Rosin <peda@axentia.se>
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+//
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+//               loop1 relays
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+//   IN1 +---o  +------------+  o---+ OUT1
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+//            \                /
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+//             +              +
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+//             |   /          |
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+//             +--o  +--.     |
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+//             |  add   |     |
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+//             |        V     |
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+//             |      .---.   |
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+//   DAC +----------->|Sum|---+
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+//             |      '---'   |
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+//             |              |
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+//             +              +
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+//
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+//   IN2 +---o--+------------+--o---+ OUT2
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+//               loop2 relays
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+//
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+// The 'loop1' gpio pin controlls two relays, which are either in loop
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+// position, meaning that input and output are directly connected, or
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+// they are in mixer position, meaning that the signal is passed through
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+// the 'Sum' mixer. Similarly for 'loop2'.
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+//
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+// In the above, the 'loop1' relays are inactive, thus feeding IN1 to the
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+// mixer (if 'add' is active) and feeding the mixer output to OUT1. The
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+// 'loop2' relays are active, short-cutting the TSE-850 from channel 2.
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+// IN1, IN2, OUT1 and OUT2 are TSE-850 connectors and DAC is the PCB name
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+// of the (filtered) output from the PCM5142 codec.
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36
 
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 #include <linux/clk.h>
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 #include <linux/gpio.h>
..
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@@ -123,8 +117,8 @@
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 	return snd_soc_dapm_put_enum_double(kctrl, ucontrol);
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 }
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119
 
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-int tse850_get_mix(struct snd_kcontrol *kctrl,
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-		   struct snd_ctl_elem_value *ucontrol)
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+static int tse850_get_mix(struct snd_kcontrol *kctrl,
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+			  struct snd_ctl_elem_value *ucontrol)
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 {
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 	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kctrl);
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 	struct snd_soc_card *card = dapm->card;
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@@ -135,8 +129,8 @@
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 	return 0;
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 }
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-int tse850_put_mix(struct snd_kcontrol *kctrl,
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-		   struct snd_ctl_elem_value *ucontrol)
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+static int tse850_put_mix(struct snd_kcontrol *kctrl,
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+			  struct snd_ctl_elem_value *ucontrol)
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 {
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 	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kctrl);
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 	struct snd_soc_card *card = dapm->card;
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@@ -157,8 +151,8 @@
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 	return 1;
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 }
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153
 
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-int tse850_get_ana(struct snd_kcontrol *kctrl,
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-		   struct snd_ctl_elem_value *ucontrol)
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+static int tse850_get_ana(struct snd_kcontrol *kctrl,
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+			  struct snd_ctl_elem_value *ucontrol)
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 {
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 	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kctrl);
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 	struct snd_soc_card *card = dapm->card;
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@@ -190,8 +184,8 @@
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 	return 0;
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 }
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-int tse850_put_ana(struct snd_kcontrol *kctrl,
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-		   struct snd_ctl_elem_value *ucontrol)
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+static int tse850_put_ana(struct snd_kcontrol *kctrl,
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+			  struct snd_ctl_elem_value *ucontrol)
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 {
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 	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kctrl);
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 	struct snd_soc_card *card = dapm->card;
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@@ -300,13 +294,18 @@
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 	{ "DAC", NULL, "OUTL" },
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 };
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+SND_SOC_DAILINK_DEFS(pcm,
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+	DAILINK_COMP_ARRAY(COMP_EMPTY()),
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+	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "pcm512x-hifi")),
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+	DAILINK_COMP_ARRAY(COMP_EMPTY()));
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+
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 static struct snd_soc_dai_link tse850_dailink = {
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 	.name = "TSE-850",
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 	.stream_name = "TSE-850-PCM",
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-	.codec_dai_name = "pcm512x-hifi",
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 	.dai_fmt = SND_SOC_DAIFMT_I2S
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 		 | SND_SOC_DAIFMT_NB_NF
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 		 | SND_SOC_DAIFMT_CBM_CFS,
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+	SND_SOC_DAILINK_REG(pcm),
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 };
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 static struct snd_soc_card tse850_card = {
..
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@@ -337,8 +336,8 @@
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 		dev_err(&pdev->dev, "failed to get cpu dai\n");
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 		return -EINVAL;
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 	}
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-	dailink->cpu_of_node = cpu_np;
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-	dailink->platform_of_node = cpu_np;
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+	dailink->cpus->of_node = cpu_np;
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+	dailink->platforms->of_node = cpu_np;
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 	of_node_put(cpu_np);
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 	codec_np = of_parse_phandle(np, "axentia,audio-codec", 0);
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@@ -346,7 +345,7 @@
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 		dev_err(&pdev->dev, "failed to get codec info\n");
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 		return -EINVAL;
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 	}
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-	dailink->codec_of_node = codec_np;
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+	dailink->codecs->of_node = codec_np;
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 	of_node_put(codec_np);
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 	return 0;
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@@ -452,4 +451,4 @@
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 /* Module information */
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 MODULE_AUTHOR("Peter Rosin <peda@axentia.se>");
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 MODULE_DESCRIPTION("ALSA SoC driver for TSE-850 with PCM5142 codec");
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-MODULE_LICENSE("GPL");
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+MODULE_LICENSE("GPL v2");