add floating-point PCM supoort to tinyplay

This change also fixes overwriting the appl_ptr and avail_min when calling
the pcm_state function.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/pcm.c b/src/pcm.c
index 3d50ea7..63ca65f 100644
--- a/src/pcm.c
+++ b/src/pcm.c
@@ -1411,7 +1411,8 @@ again:
 
 int pcm_state(struct pcm *pcm)
 {
-    int err = pcm_sync_ptr(pcm, 0);
+    // Update the state only. Do not sync HW sync.
+    int err = pcm_sync_ptr(pcm, SNDRV_PCM_SYNC_PTR_APPL | SNDRV_PCM_SYNC_PTR_AVAIL_MIN);
     if (err < 0)
         return err;