diff options
Diffstat (limited to 'sound/soc/samsung/spdif.c')
| -rw-r--r-- | sound/soc/samsung/spdif.c | 69 |
1 files changed, 34 insertions, 35 deletions
diff --git a/sound/soc/samsung/spdif.c b/sound/soc/samsung/spdif.c index cb59911e65c0..235d0063d1b3 100644 --- a/sound/soc/samsung/spdif.c +++ b/sound/soc/samsung/spdif.c @@ -1,14 +1,9 @@ -/* sound/soc/samsung/spdif.c - * - * ALSA SoC Audio Layer - Samsung S/PDIF Controller driver - * - * Copyright (c) 2010 Samsung Electronics Co. Ltd - * http://www.samsung.com/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ +// SPDX-License-Identifier: GPL-2.0 +// +// ALSA SoC Audio Layer - Samsung S/PDIF Controller driver +// +// Copyright (c) 2010 Samsung Electronics Co. Ltd +// http://www.samsung.com/ #include <linux/clk.h> #include <linux/io.h> @@ -75,9 +70,9 @@ * @clk_rate: Current clock rate for calcurate ratio. * @pclk: The peri-clock pointer for spdif master operation. * @sclk: The source clock pointer for making sync signals. - * @save_clkcon: Backup clkcon reg. in suspend. - * @save_con: Backup con reg. in suspend. - * @save_cstas: Backup cstas reg. in suspend. + * @saved_clkcon: Backup clkcon reg. in suspend. + * @saved_con: Backup con reg. in suspend. + * @saved_cstas: Backup cstas reg. in suspend. * @dma_playback: DMA information for playback channel. */ struct samsung_spdif_info { @@ -96,6 +91,12 @@ struct samsung_spdif_info { static struct snd_dmaengine_dai_dma_data spdif_stereo_out; static struct samsung_spdif_info spdif_info; +static inline struct samsung_spdif_info +*component_to_info(struct snd_soc_component *component) +{ + return snd_soc_component_get_drvdata(component); +} + static inline struct samsung_spdif_info *to_info(struct snd_soc_dai *cpu_dai) { return snd_soc_dai_get_drvdata(cpu_dai); @@ -140,8 +141,8 @@ static int spdif_set_sysclk(struct snd_soc_dai *cpu_dai, static int spdif_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct samsung_spdif_info *spdif = to_info(rtd->cpu_dai); + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct samsung_spdif_info *spdif = to_info(snd_soc_rtd_to_cpu(rtd, 0)); unsigned long flags; dev_dbg(spdif->dev, "Entered %s\n", __func__); @@ -176,8 +177,8 @@ static int spdif_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *socdai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct samsung_spdif_info *spdif = to_info(rtd->cpu_dai); + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct samsung_spdif_info *spdif = to_info(snd_soc_rtd_to_cpu(rtd, 0)); void __iomem *regs = spdif->regs; struct snd_dmaengine_dai_dma_data *dma_data; u32 con, clkcon, cstas; @@ -193,7 +194,7 @@ static int spdif_hw_params(struct snd_pcm_substream *substream, return -EINVAL; } - snd_soc_dai_set_dma_data(rtd->cpu_dai, substream, dma_data); + snd_soc_dai_set_dma_data(snd_soc_rtd_to_cpu(rtd, 0), substream, dma_data); spin_lock_irqsave(&spdif->lock, flags); @@ -278,8 +279,8 @@ err: static void spdif_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct samsung_spdif_info *spdif = to_info(rtd->cpu_dai); + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct samsung_spdif_info *spdif = to_info(snd_soc_rtd_to_cpu(rtd, 0)); void __iomem *regs = spdif->regs; u32 con, clkcon; @@ -295,9 +296,9 @@ static void spdif_shutdown(struct snd_pcm_substream *substream, } #ifdef CONFIG_PM -static int spdif_suspend(struct snd_soc_dai *cpu_dai) +static int spdif_suspend(struct snd_soc_component *component) { - struct samsung_spdif_info *spdif = to_info(cpu_dai); + struct samsung_spdif_info *spdif = component_to_info(component); u32 con = spdif->saved_con; dev_dbg(spdif->dev, "Entered %s\n", __func__); @@ -312,9 +313,9 @@ static int spdif_suspend(struct snd_soc_dai *cpu_dai) return 0; } -static int spdif_resume(struct snd_soc_dai *cpu_dai) +static int spdif_resume(struct snd_soc_component *component) { - struct samsung_spdif_info *spdif = to_info(cpu_dai); + struct samsung_spdif_info *spdif = component_to_info(component); dev_dbg(spdif->dev, "Entered %s\n", __func__); @@ -348,12 +349,13 @@ static struct snd_soc_dai_driver samsung_spdif_dai = { SNDRV_PCM_RATE_96000), .formats = SNDRV_PCM_FMTBIT_S16_LE, }, .ops = &spdif_dai_ops, - .suspend = spdif_suspend, - .resume = spdif_resume, }; static const struct snd_soc_component_driver samsung_spdif_component = { - .name = "samsung-spdif", + .name = "samsung-spdif", + .suspend = spdif_suspend, + .resume = spdif_resume, + .legacy_dai_naming = 1, }; static int spdif_probe(struct platform_device *pdev) @@ -430,7 +432,7 @@ static int spdif_probe(struct platform_device *pdev) spdif->dma_playback = &spdif_stereo_out; ret = samsung_asoc_dma_platform_register(&pdev->dev, filter, - NULL, NULL); + NULL, NULL, NULL); if (ret) { dev_err(&pdev->dev, "failed to register DMA: %d\n", ret); goto err4; @@ -458,7 +460,7 @@ err0: return ret; } -static int spdif_remove(struct platform_device *pdev) +static void spdif_remove(struct platform_device *pdev) { struct samsung_spdif_info *spdif = &spdif_info; struct resource *mem_res; @@ -466,18 +468,15 @@ static int spdif_remove(struct platform_device *pdev) iounmap(spdif->regs); mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (mem_res) - release_mem_region(mem_res->start, resource_size(mem_res)); + release_mem_region(mem_res->start, resource_size(mem_res)); clk_disable_unprepare(spdif->sclk); clk_disable_unprepare(spdif->pclk); - - return 0; } static struct platform_driver samsung_spdif_driver = { .probe = spdif_probe, - .remove = spdif_remove, + .remove = spdif_remove, .driver = { .name = "samsung-spdif", }, |