linux/sound/soc/codecs/lochnagar-sc.c

// SPDX-License-Identifier: GPL-2.0
//
// Lochnagar sound card driver
//
// Copyright (c) 2017-2019 Cirrus Logic, Inc. and
//                         Cirrus Logic International Semiconductor Ltd.
//
// Author: Charles Keepax <[email protected]>
//         Piotr Stankiewicz <[email protected]>

#include <linux/clk.h>
#include <linux/module.h>
#include <sound/soc.h>

#include <linux/mfd/lochnagar.h>
#include <linux/mfd/lochnagar1_regs.h>
#include <linux/mfd/lochnagar2_regs.h>

struct lochnagar_sc_priv { … };

static const struct snd_soc_dapm_widget lochnagar_sc_widgets[] = …;

static const struct snd_soc_dapm_route lochnagar_sc_routes[] = …;

static const unsigned int lochnagar_sc_chan_vals[] = …;

static const struct snd_pcm_hw_constraint_list lochnagar_sc_chan_constraint = …;

static const unsigned int lochnagar_sc_rate_vals[] = …;

static const struct snd_pcm_hw_constraint_list lochnagar_sc_rate_constraint = …;

static int lochnagar_sc_hw_rule_rate(struct snd_pcm_hw_params *params,
				     struct snd_pcm_hw_rule *rule)
{ … }

static int lochnagar_sc_startup(struct snd_pcm_substream *substream,
				struct snd_soc_dai *dai)
{ … }

static int lochnagar_sc_line_startup(struct snd_pcm_substream *substream,
				     struct snd_soc_dai *dai)
{ … }

static void lochnagar_sc_line_shutdown(struct snd_pcm_substream *substream,
				       struct snd_soc_dai *dai)
{ … }

static int lochnagar_sc_check_fmt(struct snd_soc_dai *dai, unsigned int fmt,
				  unsigned int tar)
{ … }

static int lochnagar_sc_set_line_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{ … }

static int lochnagar_sc_set_usb_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{ … }

static const struct snd_soc_dai_ops lochnagar_sc_line_ops = …;

static const struct snd_soc_dai_ops lochnagar_sc_usb_ops = …;

static struct snd_soc_dai_driver lochnagar_sc_dai[] = …;

static const struct snd_soc_component_driver lochnagar_sc_driver = …;

static int lochnagar_sc_probe(struct platform_device *pdev)
{ … }

static const struct of_device_id lochnagar_of_match[] = …;
MODULE_DEVICE_TABLE(of, lochnagar_of_match);

static struct platform_driver lochnagar_sc_codec_driver = …;
module_platform_driver(…) …;

MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;
MODULE_ALIAS(…) …;