[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/sound/arm/pxa2xx-pcm.h b/ap/os/linux/linux-3.4.x/sound/arm/pxa2xx-pcm.h
new file mode 100644
index 0000000..65f86b5
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/sound/arm/pxa2xx-pcm.h
@@ -0,0 +1,30 @@
+/*
+ * linux/sound/arm/pxa2xx-pcm.h -- ALSA PCM interface for the Intel PXA2xx chip
+ *
+ * Author:	Nicolas Pitre
+ * Created:	Nov 30, 2004
+ * Copyright:	MontaVista Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <mach/dma.h>
+
+struct pxa2xx_runtime_data {
+	int dma_ch;
+	struct pxa2xx_pcm_dma_params *params;
+	pxa_dma_desc *dma_desc_array;
+	dma_addr_t dma_desc_array_phys;
+};
+
+struct pxa2xx_pcm_client {
+	struct pxa2xx_pcm_dma_params *playback_params;
+	struct pxa2xx_pcm_dma_params *capture_params;
+	int (*startup)(struct snd_pcm_substream *);
+	void (*shutdown)(struct snd_pcm_substream *);
+	int (*prepare)(struct snd_pcm_substream *);
+};
+
+extern int pxa2xx_pcm_new(struct snd_card *, struct pxa2xx_pcm_client *, struct snd_pcm **);
+