diff options
Diffstat (limited to 'sound/soc/codecs/ac97.c')
| -rw-r--r-- | sound/soc/codecs/ac97.c | 65 |
1 files changed, 32 insertions, 33 deletions
diff --git a/sound/soc/codecs/ac97.c b/sound/soc/codecs/ac97.c index f7f04c6be01e..d8444a083af2 100644 --- a/sound/soc/codecs/ac97.c +++ b/sound/soc/codecs/ac97.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * ac97.c -- ALSA Soc AC97 codec support * * Copyright 2005 Wolfson Microelectronics PLC. * Author: Liam Girdwood <lrg@slimlogic.co.uk> * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * * Generic AC97 support. */ @@ -17,6 +13,7 @@ #include <linux/kernel.h> #include <linux/device.h> #include <linux/module.h> +#include <linux/of.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/ac97_codec.h> @@ -36,8 +33,8 @@ static const struct snd_soc_dapm_route ac97_routes[] = { static int ac97_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct snd_soc_codec *codec = dai->codec; - struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec); + struct snd_soc_component *component = dai->component; + struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component); int reg = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ? AC97_PCM_FRONT_DAC_RATE : AC97_PCM_LR_ADC_RATE; @@ -65,7 +62,7 @@ static struct snd_soc_dai_driver ac97_dai = { .ops = &ac97_dai_ops, }; -static int ac97_soc_probe(struct snd_soc_codec *codec) +static int ac97_soc_probe(struct snd_soc_component *component) { struct snd_ac97 *ac97; struct snd_ac97_bus *ac97_bus; @@ -73,7 +70,7 @@ static int ac97_soc_probe(struct snd_soc_codec *codec) int ret; /* add codec as bus device for standard ac97 */ - ret = snd_ac97_bus(codec->component.card->snd_card, 0, soc_ac97_ops, + ret = snd_ac97_bus(component->card->snd_card, 0, soc_ac97_ops, NULL, &ac97_bus); if (ret < 0) return ret; @@ -83,25 +80,25 @@ static int ac97_soc_probe(struct snd_soc_codec *codec) if (ret < 0) return ret; - snd_soc_codec_set_drvdata(codec, ac97); + snd_soc_component_set_drvdata(component, ac97); return 0; } #ifdef CONFIG_PM -static int ac97_soc_suspend(struct snd_soc_codec *codec) +static int ac97_soc_suspend(struct snd_soc_component *component) { - struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec); + struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component); snd_ac97_suspend(ac97); return 0; } -static int ac97_soc_resume(struct snd_soc_codec *codec) +static int ac97_soc_resume(struct snd_soc_component *component) { - struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec); + struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component); snd_ac97_resume(ac97); @@ -112,38 +109,40 @@ static int ac97_soc_resume(struct snd_soc_codec *codec) #define ac97_soc_resume NULL #endif -static struct snd_soc_codec_driver soc_codec_dev_ac97 = { - .probe = ac97_soc_probe, - .suspend = ac97_soc_suspend, - .resume = ac97_soc_resume, - - .component_driver = { - .dapm_widgets = ac97_widgets, - .num_dapm_widgets = ARRAY_SIZE(ac97_widgets), - .dapm_routes = ac97_routes, - .num_dapm_routes = ARRAY_SIZE(ac97_routes), - }, +static const struct snd_soc_component_driver soc_component_dev_ac97 = { + .probe = ac97_soc_probe, + .suspend = ac97_soc_suspend, + .resume = ac97_soc_resume, + .dapm_widgets = ac97_widgets, + .num_dapm_widgets = ARRAY_SIZE(ac97_widgets), + .dapm_routes = ac97_routes, + .num_dapm_routes = ARRAY_SIZE(ac97_routes), + .idle_bias_on = 1, + .use_pmdown_time = 1, + .endianness = 1, }; static int ac97_probe(struct platform_device *pdev) { - return snd_soc_register_codec(&pdev->dev, - &soc_codec_dev_ac97, &ac97_dai, 1); + return devm_snd_soc_register_component(&pdev->dev, + &soc_component_dev_ac97, &ac97_dai, 1); } -static int ac97_remove(struct platform_device *pdev) -{ - snd_soc_unregister_codec(&pdev->dev); - return 0; -} +#ifdef CONFIG_OF +static const struct of_device_id ac97_codec_of_match[] = { + { .compatible = "realtek,alc203", }, + { } +}; +MODULE_DEVICE_TABLE(of, ac97_codec_of_match); +#endif static struct platform_driver ac97_codec_driver = { .driver = { .name = "ac97-codec", + .of_match_table = of_match_ptr(ac97_codec_of_match), }, .probe = ac97_probe, - .remove = ac97_remove, }; module_platform_driver(ac97_codec_driver); |