ALSA: Allow passing platform_data for pxa2xx-ac97

This patch adds support for passing platform data to ac97 bus devices
from PXA2xx-AC97 driver..

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 11 insertions, 1 deletions

diff --git a/sound/soc/pxa/pxa2xx-ac97.c b/sound/soc/pxa/pxa2xx-ac97.c
index d9c94d71fa61..7330e5c5b9df 100644
--- a/sound/soc/pxa/pxa2xx-ac97.c
+++ b/sound/soc/pxa/pxa2xx-ac97.c
@@ -22,6 +22,7 @@
 #include <mach/hardware.h>
 #include <mach/regs-ac97.h>
 #include <mach/dma.h>
+#include <mach/audio.h>
 
 #include "pxa2xx-pcm.h"
 #include "pxa2xx-ac97.h"
@@ -241,9 +242,18 @@ EXPORT_SYMBOL_GPL(soc_ac97_ops);
 static int __devinit pxa2xx_ac97_dev_probe(struct platform_device *pdev)
 {
         int i;
+        pxa2xx_audio_ops_t *pdata = pdev->dev.platform_data;
 
-        for (i = 0; i < ARRAY_SIZE(pxa_ac97_dai); i++)
+        if (pdev->id >= 0) {
+                dev_err(&pdev->dev, "PXA2xx has only one AC97 port.\n");
+                return -ENXIO;
+        }
+
+        for (i = 0; i < ARRAY_SIZE(pxa_ac97_dai); i++) {
                 pxa_ac97_dai[i].dev = &pdev->dev;
+                if (pdata && pdata->codec_pdata)
+                        pxa_ac97_dai[i].ac97_pdata = pdata->codec_pdata;
+        }
 
         /* Punt most of the init to the SoC probe; we may need the machine
          * driver to do interesting things with the clocking to get us up