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- // SPDX-License-Identifier: GPL-2.0-or-later
- /*
- * wm8727.c
- *
- * Created on: 15-Oct-2009
- * Author: [email protected]
- *
- * Copyright (C) 2009 Imagination Technologies Ltd.
- */
- #include <linux/init.h>
- #include <linux/slab.h>
- #include <linux/module.h>
- #include <linux/kernel.h>
- #include <linux/device.h>
- #include <sound/core.h>
- #include <sound/pcm.h>
- #include <sound/initval.h>
- #include <sound/soc.h>
- static const struct snd_soc_dapm_widget wm8727_dapm_widgets[] = {
- SND_SOC_DAPM_OUTPUT("VOUTL"),
- SND_SOC_DAPM_OUTPUT("VOUTR"),
- };
- static const struct snd_soc_dapm_route wm8727_dapm_routes[] = {
- { "VOUTL", NULL, "Playback" },
- { "VOUTR", NULL, "Playback" },
- };
- /*
- * Note this is a simple chip with no configuration interface, sample rate is
- * determined automatically by examining the Master clock and Bit clock ratios
- */
- #define WM8727_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
- SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 |\
- SNDRV_PCM_RATE_192000)
- static struct snd_soc_dai_driver wm8727_dai = {
- .name = "wm8727-hifi",
- .playback = {
- .stream_name = "Playback",
- .channels_min = 2,
- .channels_max = 2,
- .rates = WM8727_RATES,
- .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
- },
- };
- static const struct snd_soc_component_driver soc_component_dev_wm8727 = {
- .dapm_widgets = wm8727_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(wm8727_dapm_widgets),
- .dapm_routes = wm8727_dapm_routes,
- .num_dapm_routes = ARRAY_SIZE(wm8727_dapm_routes),
- .idle_bias_on = 1,
- .use_pmdown_time = 1,
- .endianness = 1,
- };
- static int wm8727_probe(struct platform_device *pdev)
- {
- return devm_snd_soc_register_component(&pdev->dev,
- &soc_component_dev_wm8727, &wm8727_dai, 1);
- }
- static struct platform_driver wm8727_codec_driver = {
- .driver = {
- .name = "wm8727",
- },
- .probe = wm8727_probe,
- };
- module_platform_driver(wm8727_codec_driver);
- MODULE_DESCRIPTION("ASoC wm8727 driver");
- MODULE_AUTHOR("Neil Jones");
- MODULE_LICENSE("GPL");
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