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dm3730 两个CODEC

Other Parts Discussed in Thread: DM3730, AM3517

 TI 技术支持,你们好,我在DM3730 上增加了两个CODEC 原有的TWL4030 和tlv320aic23 在增加驱动后,有一处不是很明白,

static struct snd_soc_dai_link omap3evm_dai = {
.name = "TWL4030",
.stream_name = "TWL4030",
.cpu_dai_name = "omap-mcbsp-dai.1",
.codec_dai_name = "twl4030-hifi",
.platform_name = "omap-pcm-audio",
.codec_name = "twl4030-codec",
.ops = &omap3evm_ops,
}; 

这处的 .cpu_dai_name = "omap-mcbsp-dai.1", 后面的1是什么意思 ?我在PSP guidde 上看到还有5 这个代表什么是MCBSP 通道号么? 

我同事使用MCBSP1 和 MCBSP3  驱动需要怎么变动一下,谢谢