This patch updates the pxa2xx I2S driver to the new API in ASoC 0.13.
Changes:-
o Added check in hw_params to detect buffer less pcms (i.e. BT <-->
codec).
o Updated structures to new API
o Removed DAI's and ac97 ops from PCM header.
o Integer hardware constraint added for periods.
Signed-off-by: Andrew Johnson <ajohnson@xxxxxxxxxxxxx>
Signed-off-by: Liam Girdwood <lg@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
diff -r fc216dd0eb92 soc/pxa/pxa2xx-pcm.c
--- a/soc/pxa/pxa2xx-pcm.c Thu Feb 01 16:52:06 2007 +0100
+++ b/soc/pxa/pxa2xx-pcm.c Thu Feb 01 17:50:32 2007 +0000
@@ -76,12 +76,17 @@ static int pxa2xx_pcm_hw_params(struct s
struct snd_pcm_runtime *runtime = substream->runtime;
struct pxa2xx_runtime_data *prtd = runtime->private_data;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct pxa2xx_pcm_dma_params *dma = rtd->cpu_dai->dma_data;
+ struct pxa2xx_pcm_dma_params *dma = rtd->dai->cpu_dai->dma_data;
size_t totsize = params_buffer_bytes(params);
size_t period = params_period_bytes(params);
pxa_dma_desc *dma_desc;
dma_addr_t dma_buff_phys, next_desc_phys;
int ret;
+
+ /* return if this is a bufferless transfer e.g.
+ * codec <--> BT codec or GSM modem -- lg FIXME */
+ if (!dma)
+ return 0;
/* this may get called several times by oss emulation
* with different params */
@@ -227,6 +232,10 @@ static int pxa2xx_pcm_open(struct snd_pc
if (ret)
goto out;
+ ret = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
+ if (ret < 0)
+ goto out;
+
prtd = kzalloc(sizeof(struct pxa2xx_runtime_data), GFP_KERNEL);
if (prtd == NULL) {
ret = -ENOMEM;
diff -r fc216dd0eb92 soc/pxa/pxa2xx-pcm.h
--- a/soc/pxa/pxa2xx-pcm.h Thu Feb 01 16:52:06 2007 +0100
+++ b/soc/pxa/pxa2xx-pcm.h Thu Feb 01 17:50:05 2007 +0000
@@ -28,21 +28,7 @@ struct pxa2xx_gpio {
u32 frm;
};
-/* pxa2xx DAI ID's */
-#define PXA2XX_DAI_AC97_HIFI 0
-#define PXA2XX_DAI_AC97_AUX 1
-#define PXA2XX_DAI_AC97_MIC 2
-#define PXA2XX_DAI_I2S 0
-#define PXA2XX_DAI_SSP1 0
-#define PXA2XX_DAI_SSP2 1
-#define PXA2XX_DAI_SSP3 2
-
-extern struct snd_soc_cpu_dai pxa_ac97_dai[3];
-extern struct snd_soc_cpu_dai pxa_i2s_dai;
-extern struct snd_soc_cpu_dai pxa_ssp_dai[3];
-
/* platform data */
extern struct snd_soc_platform pxa2xx_soc_platform;
-extern struct snd_ac97_bus_ops pxa2xx_ac97_ops;
#endif
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