sample: Use PA_SAMPLE_INVALID instead of numeric value

diff --git a/src/pulse/sample.c b/src/pulse/sample.c
index 9698d8a55099a849438dad810869f2a08871bb33..50d552105223894fdf143c9c86ae44b838a1658d 100644 (file)
--- a/src/pulse/sample.c
+++ b/src/pulse/sample.c
@@ -242,7 +242,7 @@ pa_sample_format_t pa_parse_sample_format(const char *format) {
     else if (strcasecmp(format, "s24-32re") == 0)
         return PA_SAMPLE_S24_32RE;
 
-    return -1;
+    return PA_SAMPLE_INVALID;
 }
 
 int pa_sample_format_is_le(pa_sample_format_t f) {