cc'ing Mark Brown

On Wed, Nov 14, 2012 at 5:39 PM, Padmavathi Venna padma.v@samsung.com wrote:

Audio dma device is not a hardware peripherial. So this device can't be added in the dt devices list. So expanded the module_platform_driver and registered this device using "platform_device_register_simple".

Signed-off-by: Padmavathi Venna padma.v@samsung.com

sound/soc/samsung/dma.c | 30 +++++++++++++++++++++++++++++- 1 files changed, 29 insertions(+), 1 deletions(-)

diff --git a/sound/soc/samsung/dma.c b/sound/soc/samsung/dma.c index 359708c..17ae9c0 100644 --- a/sound/soc/samsung/dma.c +++ b/sound/soc/samsung/dma.c @@ -444,6 +444,8 @@ static int __devexit samsung_asoc_platform_remove(struct platform_device *pdev) return 0; }

+static struct platform_device *asoc_dma_device;

static struct platform_driver asoc_dma_driver = { .driver = { .name = "samsung-audio", @@ -454,7 +456,33 @@ static struct platform_driver asoc_dma_driver = { .remove = __devexit_p(samsung_asoc_platform_remove), };

-module_platform_driver(asoc_dma_driver); +static int __init asoc_dma_init(void) +{

•   int ret;
  

•   ret = platform_driver_register(&asoc_dma_driver);
  

•   if (ret) {
  

•           pr_err("unable to register driver\n");
  

•           return ret;
  

•   }
  

•   asoc_dma_device = platform_device_register_simple("samsung-audio", -1, NULL, 0);
  

•   if (IS_ERR(asoc_dma_device)) {
  

•           platform_driver_unregister(&asoc_dma_driver);
  

•           return PTR_ERR(asoc_dma_device);
  

•   }
  

•   return 0;
  

+}

+static void __exit asoc_dma_exit(void) +{

•   platform_device_unregister(asoc_dma_device);
  

•   platform_driver_unregister(&asoc_dma_driver);
  

+}

+module_init(asoc_dma_init); +module_exit(asoc_dma_exit);

MODULE_AUTHOR("Ben Dooks, ben@simtec.co.uk"); MODULE_DESCRIPTION("Samsung ASoC DMA Driver"); -- 1.7.4.4

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