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-rw-r--r--arch/arm/mach-pxa/include/mach/audio.h10
-rw-r--r--include/sound/pxa2xx-lib.h15
-rw-r--r--sound/arm/pxa2xx-ac97-lib.c2
3 files changed, 11 insertions, 16 deletions
diff --git a/arch/arm/mach-pxa/include/mach/audio.h b/arch/arm/mach-pxa/include/mach/audio.h
index f82f96dd1053..16eb02552d5d 100644
--- a/arch/arm/mach-pxa/include/mach/audio.h
+++ b/arch/arm/mach-pxa/include/mach/audio.h
@@ -4,12 +4,22 @@
4#include <sound/core.h> 4#include <sound/core.h>
5#include <sound/pcm.h> 5#include <sound/pcm.h>
6 6
7/*
8 * @reset_gpio: AC97 reset gpio (normally gpio113 or gpio95)
9 * a -1 value means no gpio will be used for reset
10
11 * reset_gpio should only be specified for pxa27x CPUs where a silicon
12 * bug prevents correct operation of the reset line. If not specified,
13 * the default behaviour on these CPUs is to consider gpio 113 as the
14 * AC97 reset line, which is the default on most boards.
15 */
7typedef struct { 16typedef struct {
8 int (*startup)(struct snd_pcm_substream *, void *); 17 int (*startup)(struct snd_pcm_substream *, void *);
9 void (*shutdown)(struct snd_pcm_substream *, void *); 18 void (*shutdown)(struct snd_pcm_substream *, void *);
10 void (*suspend)(void *); 19 void (*suspend)(void *);
11 void (*resume)(void *); 20 void (*resume)(void *);
12 void *priv; 21 void *priv;
22 int reset_gpio;
13} pxa2xx_audio_ops_t; 23} pxa2xx_audio_ops_t;
14 24
15extern void pxa_set_ac97_info(pxa2xx_audio_ops_t *ops); 25extern void pxa_set_ac97_info(pxa2xx_audio_ops_t *ops);
diff --git a/include/sound/pxa2xx-lib.h b/include/sound/pxa2xx-lib.h
index 2c894b600e5b..2fd3d251d9a5 100644
--- a/include/sound/pxa2xx-lib.h
+++ b/include/sound/pxa2xx-lib.h
@@ -42,19 +42,4 @@ extern int pxa2xx_ac97_hw_resume(void);
42extern int pxa2xx_ac97_hw_probe(struct platform_device *dev); 42extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
43extern void pxa2xx_ac97_hw_remove(struct platform_device *dev); 43extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
44 44
45/* AC97 platform_data */
46/**
47 * struct pxa2xx_ac97_platform_data - pxa ac97 platform data
48 * @reset_gpio: AC97 reset gpio (normally gpio113 or gpio95)
49 * a -1 value means no gpio will be used for reset
50 *
51 * Platform data should only be specified for pxa27x CPUs where a silicon bug
52 * prevents correct operation of the reset line. If not specified, the default
53 * behaviour is to consider gpio 113 as the AC97 reset line, which is the
54 * default on most boards.
55 */
56struct pxa2xx_ac97_platform_data {
57 int reset_gpio;
58};
59
60#endif 45#endif
diff --git a/sound/arm/pxa2xx-ac97-lib.c b/sound/arm/pxa2xx-ac97-lib.c
index 0afd1a8226fb..a2c12d105c9a 100644
--- a/sound/arm/pxa2xx-ac97-lib.c
+++ b/sound/arm/pxa2xx-ac97-lib.c
@@ -364,7 +364,7 @@ EXPORT_SYMBOL_GPL(pxa2xx_ac97_hw_resume);
364int __devinit pxa2xx_ac97_hw_probe(struct platform_device *dev) 364int __devinit pxa2xx_ac97_hw_probe(struct platform_device *dev)
365{ 365{
366 int ret; 366 int ret;
367 struct pxa2xx_ac97_platform_data *pdata = dev->dev.platform_data; 367 pxa2xx_audio_ops_t *pdata = dev->dev.platform_data;
368 368
369 if (pdata) { 369 if (pdata) {
370 switch (pdata->reset_gpio) { 370 switch (pdata->reset_gpio) {