修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/sound/core/pcm_native.c
..
..
@@ -1413,8 +1413,10 @@
1413
1413
 static void snd_pcm_undo_start(struct snd_pcm_substream *substream,
1414
1414
 			       snd_pcm_state_t state)
1415
1415
 {
1416
-	if (substream->runtime->trigger_master == substream)
1416
+	if (substream->runtime->trigger_master == substream) {
1417
1417
 		substream->ops->trigger(substream, SNDRV_PCM_TRIGGER_STOP);
1418
+		substream->runtime->stop_operating = true;
1419
+	}
1418
1420
 }
1419
1421
 
1420
1422
 static void snd_pcm_post_start(struct snd_pcm_substream *substream,