3 files changed, 10 insertions, 10 deletions

diff --git a/firmware/pcm_playback.c b/firmware/pcm_playback.c
index a2d09e7c8d..8b5479cae9 100644
--- a/firmware/pcm_playback.c
+++ b/firmware/pcm_playback.c
@@ -48,9 +48,9 @@
     be shared semi-privately **/
 
 /* the registered callback function to ask for more mp3 data */
-pcm_more_callback_type pcm_callback_for_more = NULL;
-bool                   pcm_playing           = false;
-bool                   pcm_paused            = false;
+volatile pcm_more_callback_type pcm_callback_for_more = NULL;
+volatile bool                   pcm_playing           = false;
+volatile bool                   pcm_paused            = false;
 
 void pcm_play_dma_start(const void *addr, size_t size);
 void pcm_play_dma_stop(void);
diff --git a/firmware/pcm_record.c b/firmware/pcm_record.c
index 04289f36ec..a1b2afd1bf 100644
--- a/firmware/pcm_record.c
+++ b/firmware/pcm_record.c
@@ -55,9 +55,9 @@
     be shared semi-privately **/
 
 /* the registered callback function for when more data is available */
-pcm_more_callback_type pcm_callback_more_ready = NULL;
+volatile pcm_more_callback_type pcm_callback_more_ready = NULL;
 /* DMA transfer in is currently active */
-bool                   pcm_recording           = false;
+volatile bool                   pcm_recording           = false;
 
 /* APIs implemented in the target-specific portion */
 void pcm_rec_dma_start(const void *addr, size_t size);
diff --git a/firmware/target/coldfire/pcm-coldfire.c b/firmware/target/coldfire/pcm-coldfire.c
index 9cd66d772a..a0d3b67f58 100644
--- a/firmware/target/coldfire/pcm-coldfire.c
+++ b/firmware/target/coldfire/pcm-coldfire.c
@@ -44,13 +44,13 @@
 /** Semi-private shared symbols **/
 
 /* the registered callback function to ask for more pcm data */
-extern pcm_more_callback_type pcm_callback_for_more;
-extern bool pcm_playing;
-extern bool pcm_paused;
+extern volatile pcm_more_callback_type pcm_callback_for_more;
+extern volatile bool pcm_playing;
+extern volatile bool pcm_paused;
 
 /* the registered callback function for when more data is available */
-extern pcm_more_callback_type pcm_callback_more_ready;
-extern bool pcm_recording;
+extern volatile pcm_more_callback_type pcm_callback_more_ready;
+extern volatile bool pcm_recording;
 
 /* peaks */
 static int play_peak_left, play_peak_right;