linguini1 commented on code in PR #18348:
URL: https://github.com/apache/nuttx/pull/18348#discussion_r2766091473
##########
audio/audio.c:
##########
@@ -292,6 +332,254 @@ static ssize_t audio_write(FAR struct file *filep,
return 0;
}
+/****************************************************************************
+ * Name: audio_setstate
+ *
+ * Description:
+ * Update lower driver state
+ *
+ ****************************************************************************/
+
+static inline void audio_setstate(FAR struct audio_upperhalf_s *upper,
+ int state)
+{
+ irqstate_t flags;
+
+ flags = spin_lock_irqsave(&upper->spinlock);
Review Comment:
Is there a reason not to just use nxmutex?
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