Prepare for changing audio_pcm_ops dynamically (partially revert r5422)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5435 c046a42c-6fe2-441c-8c8c-71466251a162

audio/alsaaudio.c

@@ -917,7 +917,7 @@ static struct audio_option alsa_options[] = {
     {NULL, 0, NULL, NULL, NULL, 0}
 };
 
-static const struct audio_pcm_ops alsa_pcm_ops = {
+static struct audio_pcm_ops alsa_pcm_ops = {
     alsa_init_out,
     alsa_fini_out,
     alsa_run_out,

audio/audio_int.h

@@ -81,7 +81,7 @@ typedef struct HWVoiceOut {
     int samples;
     LIST_HEAD (sw_out_listhead, SWVoiceOut) sw_head;
     LIST_HEAD (sw_cap_listhead, SWVoiceCap) cap_head;
-    const struct audio_pcm_ops *pcm_ops;
+    struct audio_pcm_ops *pcm_ops;
     LIST_ENTRY (HWVoiceOut) entries;
 } HWVoiceOut;
 
@@ -99,7 +99,7 @@ typedef struct HWVoiceIn {
 
     int samples;
     LIST_HEAD (sw_in_listhead, SWVoiceIn) sw_head;
-    const struct audio_pcm_ops *pcm_ops;
+    struct audio_pcm_ops *pcm_ops;
     LIST_ENTRY (HWVoiceIn) entries;
 } HWVoiceIn;
 
@@ -140,7 +140,7 @@ struct audio_driver {
     struct audio_option *options;
     void *(*init) (void);
     void (*fini) (void *);
-    const struct audio_pcm_ops *pcm_ops;
+    struct audio_pcm_ops *pcm_ops;
     int can_be_default;
     int max_voices_out;
     int max_voices_in;

audio/coreaudio.c

@@ -520,7 +520,7 @@ static struct audio_option coreaudio_options[] = {
     {NULL, 0, NULL, NULL, NULL, 0}
 };
 
-static const struct audio_pcm_ops coreaudio_pcm_ops = {
+static struct audio_pcm_ops coreaudio_pcm_ops = {
     coreaudio_init_out,
     coreaudio_fini_out,
     coreaudio_run_out,

audio/dsoundaudio.c

@@ -1057,7 +1057,7 @@ static struct audio_option dsound_options[] = {
     {NULL, 0, NULL, NULL, NULL, 0}
 };
 
-static const struct audio_pcm_ops dsound_pcm_ops = {
+static struct audio_pcm_ops dsound_pcm_ops = {
     dsound_init_out,
     dsound_fini_out,
     dsound_run_out,

audio/esdaudio.c

@@ -566,7 +566,7 @@ struct audio_option qesd_options[] = {
     {NULL, 0, NULL, NULL, NULL, 0}
 };
 
-static const struct audio_pcm_ops qesd_pcm_ops = {
+static struct audio_pcm_ops qesd_pcm_ops = {
     qesd_init_out,
     qesd_fini_out,
     qesd_run_out,

audio/fmodaudio.c

@@ -657,7 +657,7 @@ static struct audio_option fmod_options[] = {
     {NULL, 0, NULL, NULL, NULL, 0}
 };
 
-static const struct audio_pcm_ops fmod_pcm_ops = {
+static struct audio_pcm_ops fmod_pcm_ops = {
     fmod_init_out,
     fmod_fini_out,
     fmod_run_out,

audio/noaudio.c

@@ -145,7 +145,7 @@ static void no_audio_fini (void *opaque)
     (void) opaque;
 }
 
-static const struct audio_pcm_ops no_pcm_ops = {
+static struct audio_pcm_ops no_pcm_ops = {
     no_init_out,
     no_fini_out,
     no_run_out,

audio/ossaudio.c

@@ -751,7 +751,7 @@ static struct audio_option oss_options[] = {
     {NULL, 0, NULL, NULL, NULL, 0}
 };
 
-static const struct audio_pcm_ops oss_pcm_ops = {
+static struct audio_pcm_ops oss_pcm_ops = {
     oss_init_out,
     oss_fini_out,
     oss_run_out,

audio/paaudio.c

@@ -487,7 +487,7 @@ struct audio_option qpa_options[] = {
     {NULL, 0, NULL, NULL, NULL, 0}
 };
 
-static const struct audio_pcm_ops qpa_pcm_ops = {
+static struct audio_pcm_ops qpa_pcm_ops = {
     qpa_init_out,
     qpa_fini_out,
     qpa_run_out,

audio/sdlaudio.c

@@ -423,7 +423,7 @@ static struct audio_option sdl_options[] = {
     {NULL, 0, NULL, NULL, NULL, 0}
 };
 
-static const struct audio_pcm_ops sdl_pcm_ops = {
+static struct audio_pcm_ops sdl_pcm_ops = {
     sdl_init_out,
     sdl_fini_out,
     sdl_run_out,

audio/wavaudio.c

@@ -233,7 +233,7 @@ static struct audio_option wav_options[] = {
     {NULL, 0, NULL, NULL, NULL, 0}
 };
 
-static const struct audio_pcm_ops wav_pcm_ops = {
+static struct audio_pcm_ops wav_pcm_ops = {
     wav_init_out,
     wav_fini_out,
     wav_run_out,