diff options
Diffstat (limited to 'sound/soc/omap/omap-mcpdm.c')
| -rw-r--r-- | sound/soc/omap/omap-mcpdm.c | 72 |
1 files changed, 46 insertions, 26 deletions
diff --git a/sound/soc/omap/omap-mcpdm.c b/sound/soc/omap/omap-mcpdm.c index b7f4f7e015f..bed09c27e44 100644 --- a/sound/soc/omap/omap-mcpdm.c +++ b/sound/soc/omap/omap-mcpdm.c @@ -32,11 +32,9 @@ #include <sound/initval.h> #include <sound/soc.h> -#include <plat/control.h> #include <plat/dma.h> #include <plat/mcbsp.h> #include "mcpdm.h" -#include "omap-mcpdm.h" #include "omap-pcm.h" struct omap_mcpdm_data { @@ -89,11 +87,9 @@ static struct omap_pcm_dma_data omap_mcpdm_dai_dma_params[] = { static int omap_mcpdm_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; int err = 0; - if (!cpu_dai->active) + if (!dai->active) err = omap_mcpdm_request(); return err; @@ -102,19 +98,14 @@ static int omap_mcpdm_dai_startup(struct snd_pcm_substream *substream, static void omap_mcpdm_dai_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; - - if (!cpu_dai->active) + if (!dai->active) omap_mcpdm_free(); } static int omap_mcpdm_dai_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; - struct omap_mcpdm_data *mcpdm_priv = cpu_dai->private_data; + struct omap_mcpdm_data *mcpdm_priv = snd_soc_dai_get_drvdata(dai); int stream = substream->stream; int err = 0; @@ -143,14 +134,12 @@ static int omap_mcpdm_dai_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; - struct omap_mcpdm_data *mcpdm_priv = cpu_dai->private_data; + struct omap_mcpdm_data *mcpdm_priv = snd_soc_dai_get_drvdata(dai); struct omap_mcpdm_link *mcpdm_links = mcpdm_priv->links; int stream = substream->stream; int channels, err, link_mask = 0; - snd_soc_dai_set_dma_data(cpu_dai, substream, + snd_soc_dai_set_dma_data(dai, substream, &omap_mcpdm_dai_dma_params[stream]); channels = params_channels(params); @@ -189,9 +178,7 @@ static int omap_mcpdm_dai_hw_params(struct snd_pcm_substream *substream, static int omap_mcpdm_dai_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; - struct omap_mcpdm_data *mcpdm_priv = cpu_dai->private_data; + struct omap_mcpdm_data *mcpdm_priv = snd_soc_dai_get_drvdata(dai); struct omap_mcpdm_link *mcpdm_links = mcpdm_priv->links; int stream = substream->stream; int err; @@ -215,9 +202,14 @@ static struct snd_soc_dai_ops omap_mcpdm_dai_ops = { #define OMAP_MCPDM_RATES (SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) #define OMAP_MCPDM_FORMATS (SNDRV_PCM_FMTBIT_S32_LE) -struct snd_soc_dai omap_mcpdm_dai = { - .name = "omap-mcpdm", - .id = -1, +static int omap_mcpdm_dai_probe(struct snd_soc_dai *dai) +{ + snd_soc_dai_set_drvdata(dai, &mcpdm_data); + return 0; +} + +static struct snd_soc_dai_driver omap_mcpdm_dai = { + .probe = omap_mcpdm_dai_probe, .playback = { .channels_min = 1, .channels_max = 4, @@ -231,19 +223,47 @@ struct snd_soc_dai omap_mcpdm_dai = { .formats = OMAP_MCPDM_FORMATS, }, .ops = &omap_mcpdm_dai_ops, - .private_data = &mcpdm_data, }; -EXPORT_SYMBOL_GPL(omap_mcpdm_dai); + +static __devinit int asoc_mcpdm_probe(struct platform_device *pdev) +{ + int ret; + + ret = omap_mcpdm_probe(pdev); + if (ret < 0) + return ret; + ret = snd_soc_register_dai(&pdev->dev, &omap_mcpdm_dai); + if (ret < 0) + omap_mcpdm_remove(pdev); + return ret; +} + +static int __devexit asoc_mcpdm_remove(struct platform_device *pdev) +{ + snd_soc_unregister_dai(&pdev->dev); + omap_mcpdm_remove(pdev); + return 0; +} + +static struct platform_driver asoc_mcpdm_driver = { + .driver = { + .name = "omap-mcpdm-dai", + .owner = THIS_MODULE, + }, + + .probe = asoc_mcpdm_probe, + .remove = __devexit_p(asoc_mcpdm_remove), +}; static int __init snd_omap_mcpdm_init(void) { - return snd_soc_register_dai(&omap_mcpdm_dai); + return platform_driver_register(&asoc_mcpdm_driver); } module_init(snd_omap_mcpdm_init); static void __exit snd_omap_mcpdm_exit(void) { - snd_soc_unregister_dai(&omap_mcpdm_dai); + platform_driver_unregister(&asoc_mcpdm_driver); } module_exit(snd_omap_mcpdm_exit); |