/* change the audio input source @src: the target source (VX_AUDIO_SRC_XXX)  */
static void vx_change_audio_source(struct vx_core *chip, int src)
/* change the audio input source @src: the target source (VX_AUDIO_SRC_XXX)  */
static void vx_change_audio_source(struct vx_core *chip, int src)
{
	unsigned long flags;
	if (chip->chip_status & VX_STAT_IS_STALE)
		return;
	spin_lock_irqsave(&chip->lock, flags);
	chip->ops->change_audio_source(chip, src);
	spin_unlock_irqrestore(&chip->lock, flags);
}