diff options
Diffstat (limited to 'sound/soc/omap/omap-mcbsp.c')
-rw-r--r-- | sound/soc/omap/omap-mcbsp.c | 51 |
1 files changed, 49 insertions, 2 deletions
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c index 9c703f18714..69a44aa4eea 100644 --- a/sound/soc/omap/omap-mcbsp.c +++ b/sound/soc/omap/omap-mcbsp.c @@ -25,6 +25,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/device.h> +#include <linux/pm_runtime.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> @@ -603,7 +604,27 @@ static const struct snd_soc_dai_ops mcbsp_dai_ops = { .set_sysclk = omap_mcbsp_dai_set_dai_sysclk, }; +static int omap_mcbsp_probe(struct snd_soc_dai *dai) +{ + struct omap_mcbsp *mcbsp = snd_soc_dai_get_drvdata(dai); + + pm_runtime_enable(mcbsp->dev); + + return 0; +} + +static int omap_mcbsp_remove(struct snd_soc_dai *dai) +{ + struct omap_mcbsp *mcbsp = snd_soc_dai_get_drvdata(dai); + + pm_runtime_disable(mcbsp->dev); + + return 0; +} + static struct snd_soc_dai_driver omap_mcbsp_dai = { + .probe = omap_mcbsp_probe, + .remove = omap_mcbsp_remove, .playback = { .channels_min = 1, .channels_max = 16, @@ -756,9 +777,24 @@ EXPORT_SYMBOL_GPL(omap_mcbsp_st_add_controls); static __devinit int asoc_mcbsp_probe(struct platform_device *pdev) { + struct omap_mcbsp_platform_data *pdata = dev_get_platdata(&pdev->dev); + struct omap_mcbsp *mcbsp; int ret; - ret = omap_mcbsp_probe(pdev); + if (!pdata) { + dev_err(&pdev->dev, "missing platform data.\n"); + return -EINVAL; + } + mcbsp = devm_kzalloc(&pdev->dev, sizeof(struct omap_mcbsp), GFP_KERNEL); + if (!mcbsp) + return -ENOMEM; + + mcbsp->id = pdev->id; + mcbsp->pdata = pdata; + mcbsp->dev = &pdev->dev; + platform_set_drvdata(pdev, mcbsp); + + ret = omap_mcbsp_init(pdev); if (!ret) return snd_soc_register_dai(&pdev->dev, &omap_mcbsp_dai); @@ -767,8 +803,19 @@ static __devinit int asoc_mcbsp_probe(struct platform_device *pdev) static int __devexit asoc_mcbsp_remove(struct platform_device *pdev) { - omap_mcbsp_remove(pdev); + struct omap_mcbsp *mcbsp = platform_get_drvdata(pdev); + snd_soc_unregister_dai(&pdev->dev); + + if (mcbsp->pdata->ops && mcbsp->pdata->ops->free) + mcbsp->pdata->ops->free(mcbsp->id); + + omap_mcbsp_sysfs_remove(mcbsp); + + clk_put(mcbsp->fclk); + + platform_set_drvdata(pdev, NULL); + return 0; } |