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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/sound/soc/codecs/wm8770.c
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@@ -1,13 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * wm8770.c  --  WM8770 ALSA SoC Audio driver
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  *
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  * Copyright 2010 Wolfson Microelectronics plc
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  *
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  * Author: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
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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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 #include <linux/module.h>
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@@ -450,7 +447,7 @@
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 	}
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 	/* Only need to set MCLK/LRCLK ratio if we're master */
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-	if (snd_soc_component_read32(component, WM8770_MSTRCTRL) & 0x100) {
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+	if (snd_soc_component_read(component, WM8770_MSTRCTRL) & 0x100) {
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 		for (; i < ARRAY_SIZE(mclk_ratios); ++i) {
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 			ratio = wm8770->sysclk / params_rate(params);
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 			if (ratio == mclk_ratios[i])
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@@ -475,7 +472,7 @@
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 	return 0;
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 }
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-static int wm8770_mute(struct snd_soc_dai *dai, int mute)
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+static int wm8770_mute(struct snd_soc_dai *dai, int mute, int direction)
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 {
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 	struct snd_soc_component *component;
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@@ -541,10 +538,11 @@
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 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
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 static const struct snd_soc_dai_ops wm8770_dai_ops = {
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-	.digital_mute = wm8770_mute,
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+	.mute_stream = wm8770_mute,
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 	.hw_params = wm8770_hw_params,
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 	.set_fmt = wm8770_set_fmt,
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 	.set_sysclk = wm8770_set_sysclk,
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+	.no_capture_mute = 1,
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 };
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 static struct snd_soc_dai_driver wm8770_dai = {
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@@ -666,8 +664,9 @@
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664
 
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 	/* This should really be moved into the regulator core */
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 	for (i = 0; i < ARRAY_SIZE(wm8770->supplies); i++) {
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-		ret = regulator_register_notifier(wm8770->supplies[i].consumer,
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-						  &wm8770->disable_nb[i]);
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+		ret = devm_regulator_register_notifier(
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+						wm8770->supplies[i].consumer,
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+						&wm8770->disable_nb[i]);
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 		if (ret) {
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 			dev_err(&spi->dev,
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 				"Failed to register regulator notifier: %d\n",
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@@ -687,25 +686,12 @@
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 	return ret;
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 }
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688
 
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-static int wm8770_spi_remove(struct spi_device *spi)
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-{
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-	struct wm8770_priv *wm8770 = spi_get_drvdata(spi);
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-	int i;
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-
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-	for (i = 0; i < ARRAY_SIZE(wm8770->supplies); ++i)
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-		regulator_unregister_notifier(wm8770->supplies[i].consumer,
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-					      &wm8770->disable_nb[i]);
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-
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-	return 0;
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-}
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-
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 static struct spi_driver wm8770_spi_driver = {
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 	.driver = {
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 		.name = "wm8770",
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 		.of_match_table = wm8770_of_match,
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 	},
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 	.probe = wm8770_spi_probe,
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-	.remove = wm8770_spi_remove
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 };
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 module_spi_driver(wm8770_spi_driver);