ASoC: davinci-mcasp: Update MCASP_VERSION_4 platform driver registration

Version 4 of McASP is using omap-pcm as platform driver and the omap-pcm
platform need to be registered using the cpu dai's device.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 31 insertions, 6 deletions

diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index af92d3e8671d..d505fe7292a4 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -36,6 +36,7 @@
 
 #include "davinci-pcm.h"
 #include "davinci-mcasp.h"
+#include "../omap/omap-pcm.h"
 
 #define MCASP_MAX_AFIFO_DEPTH   64
 
@@ -1220,12 +1221,25 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
         if (ret != 0)
                 goto err_release_clk;
 
-        if (mcasp->version != MCASP_VERSION_4) {
+        switch (mcasp->version) {
+        case MCASP_VERSION_1:
+        case MCASP_VERSION_2:
+        case MCASP_VERSION_3:
                 ret = davinci_soc_platform_register(&pdev->dev);
-                if (ret) {
-                        dev_err(&pdev->dev, "register PCM failed: %d\n", ret);
-                        goto err_unregister_component;
-                }
+                break;
+        case MCASP_VERSION_4:
+                ret = omap_pcm_platform_register(&pdev->dev);
+                break;
+        default:
+                dev_err(&pdev->dev, "Invalid McASP version: %d\n",
+                        mcasp->version);
+                ret = -EINVAL;
+                break;
+        }
+
+        if (ret) {
+                dev_err(&pdev->dev, "register PCM failed: %d\n", ret);
+                goto err_unregister_component;
         }
 
         return 0;
@@ -1243,8 +1257,19 @@ static int davinci_mcasp_remove(struct platform_device *pdev)
         struct davinci_mcasp *mcasp = dev_get_drvdata(&pdev->dev);
 
         snd_soc_unregister_component(&pdev->dev);
-        if (mcasp->version != MCASP_VERSION_4)
+
+        switch (mcasp->version) {
+        case MCASP_VERSION_1:
+        case MCASP_VERSION_2:
+        case MCASP_VERSION_3:
                 davinci_soc_platform_unregister(&pdev->dev);
+                break;
+        case MCASP_VERSION_4:
+                /* Using the resource managed omap-pcm as platform driver */
+                break;
+        default:
+                break;
+        }
 
         pm_runtime_put_sync(&pdev->dev);
         pm_runtime_disable(&pdev->dev);