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authorMarek Vasut <marek.vasut@gmail.com>2009-07-30 02:55:01 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-08-13 23:19:37 +0200
commit4ac0478f2afaf8e778b4190d6218459a9dbf2a8f (patch)
tree97caf69480c6fcf9a3d294e650a7548f137e5d44 /sound/soc/pxa
parentASoC: DaVinci: Add audio support fot DA850/OMAP-L138 EVM (diff)
downloadlinux-4ac0478f2afaf8e778b4190d6218459a9dbf2a8f.tar.xz
linux-4ac0478f2afaf8e778b4190d6218459a9dbf2a8f.zip
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>
Diffstat (limited to 'sound/soc/pxa')
-rw-r--r--sound/soc/pxa/pxa2xx-ac97.c12
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