# alsa-pcm: Lower the frequency of USB gadget rate updates 
--- a/spa/plugins/alsa/alsa-pcm.c
+++ b/spa/plugins/alsa/alsa-pcm.c
@@ -2292,9 +2292,11 @@
 		last_pitch = (uint64_t)(1000000 / state->last_rate);
 	}
 
-	/* The pitch adjustment is limited to 1 ppm */
-	if (pitch == last_pitch)
-		return 0;
+	/* The pitch adjustment is limited to 1 ppm according to the spec, but
+	 * let's avoid very granular changes so that we don't spam the host
+	 * (and ourselves, if bind-ctls are enabled). */
+	if (SPA_ABS((int)pitch - (int)last_pitch) < 10)
+
 
 	snd_ctl_elem_value_set_integer(state->pitch_elem, 0, pitch);
 	CHECK(snd_ctl_elem_write(state->ctl, state->pitch_elem), "snd_ctl_elem_write");