Added get_file_descriptor()

2 files changed, 8 insertions, 0 deletions

diff --git a/include/tinyalsa/asoundlib.h b/include/tinyalsa/asoundlib.h
index 8fb7c95..d87e357 100644
--- a/include/tinyalsa/asoundlib.h
+++ b/include/tinyalsa/asoundlib.h
@@ -153,6 +153,9 @@ unsigned int pcm_params_get_min(struct pcm_params *pcm_params,
 unsigned int pcm_params_get_max(struct pcm_params *pcm_params,
                                 enum pcm_param param);
 
+/* Returns the file descriptor associated with the pcm */
+int pcm_get_file_descriptor(struct pcm *pcm);
+
 /* Returns a human readable reason for the last error */
 const char *pcm_get_error(struct pcm *pcm);
 
diff --git a/pcm.c b/pcm.c
index 2c1308d..707e5f3 100644
--- a/pcm.c
+++ b/pcm.c
@@ -179,6 +179,11 @@ unsigned int pcm_get_buffer_size(struct pcm *pcm)
     return pcm->buffer_size;
 }
 
+int pcm_get_file_descriptor(struct pcm *pcm)
+{
+    return pcm->fd;
+}
+
 const char* pcm_get_error(struct pcm *pcm)
 {
     return pcm->error;