tinyalsa_hal remove MMAP and replace pcm_write

gistfile1.txt

diff --git a/alsa/tinyalsa_hal.c b/alsa/tinyalsa_hal.c
index a4644ac..2b85b88 100644
--- a/alsa/tinyalsa_hal.c
+++ b/alsa/tinyalsa_hal.c
@@ -16,7 +16,7 @@
 /* Copyright (C) 2012-2015 Freescale Semiconductor, Inc. */
 
 #define LOG_TAG "audio_hw_primary"
-//#define LOG_NDEBUG 0
+#define LOG_NDEBUG 0
 
 #include <errno.h>
 #include <pthread.h>
@@ -524,7 +524,7 @@ static int start_output_stream_primary(struct imx_stream_out *out)
 
     pcm_device = out->device & (AUDIO_DEVICE_OUT_ALL & ~AUDIO_DEVICE_OUT_AUX_DIGITAL);
     if (pcm_device && (adev->active_output[OUTPUT_ESAI] == NULL || adev->active_output[OUTPUT_ESAI]->standby)) {
-        out->write_flags[PCM_NORMAL]            = PCM_OUT | PCM_MMAP | PCM_MONOTONIC;
+        out->write_flags[PCM_NORMAL]            = PCM_OUT | PCM_MONOTONIC;
         out->write_threshold[PCM_NORMAL]        = PLAYBACK_LONG_PERIOD_COUNT * LONG_PERIOD_SIZE;
         out->config[PCM_NORMAL] = pcm_config_mm_out;
 
@@ -1175,6 +1175,27 @@ static int pcm_read_wrapper(struct pcm *pcm, const void * buffer, size_t bytes)
 
     return ret;
 }
+static int s_pcm_write(struct pcm *pcm, void * buffer, size_t bytes)
+{
+       int i;
+       unsigned short *dst;
+       unsigned short *src;
+       unsigned short patten = 0x0000;
+       int rc;
+
+       dst = (unsigned short*)malloc(bytes);
+       src = (unsigned short*)buffer;
+
+       for(i=0 ; i<bytes/2 ; i++)
+               dst[i]=src[i];
+
+       rc = pcm_write(pcm, (void*)dst, bytes);
+       free(dst);
+       return rc;
+       
+
+}
 
 static int pcm_write_wrapper(struct pcm *pcm, const void * buffer, size_t bytes, int flags)
 {
@@ -1182,7 +1203,7 @@ static int pcm_write_wrapper(struct pcm *pcm, const void * buffer, size_t bytes,
     if(flags & PCM_MMAP)
          ret = pcm_mmap_write(pcm, (void *)buffer, bytes);
     else
-         ret = pcm_write(pcm, (void *)buffer, bytes);
+         ret = s_pcm_write(pcm, (void *)buffer, bytes);
 
     if(ret !=0) {
          ALOGW("ret %d, pcm write %d error %s", ret, bytes, pcm_get_error(pcm));
@@ -1200,7 +1221,7 @@ static int pcm_write_wrapper(struct pcm *pcm, const void * buffer, size_t bytes,
          if(flags & PCM_MMAP)
             ret = pcm_mmap_write(pcm, (void *)buffer, bytes);
          else
-            ret = pcm_write(pcm, (void *)buffer, bytes);
+            ret = s_pcm_write(pcm, (void *)buffer, bytes);
     }
 
     return ret;