From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Subject: Re: [alsa-devel] [PATCH v2 3/5] ASoC: core: add support to
 snd_soc_dai_get_sdw_stream()
Date: Thu, 10 Oct 2019 10:49:52 -0500
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> I still need to figure out prefixing multiple instances of this 
> Amplifier controls with "Left" and "Right"

FWIW we use the "snd_codec_conf" stuff to add a prefix for each 
amplifier, so that the controls are not mixed up between instances of 
the same amp, see e.g.

	
static struct snd_soc_codec_conf codec_conf[] = {
	{
		.dev_name = "sdw:0:25d:711:0:1",
		.name_prefix = "rt711",
	},
	{
		.dev_name = "sdw:1:25d:1308:0:0",
		.name_prefix = "rt1308-1",
	},
	{
		.dev_name = "sdw:2:25d:1308:0:2",
		.name_prefix = "rt1308-2",
	},
	{
		.dev_name = "sdw:3:25d:715:0:1",
		.name_prefix = "rt715",
	},
};


https://github.com/thesofproject/linux/pull/1142/commits/9ff9cf9d8994333df2250641c95431261bc66d69#diff-892560f80d603420baec7395e0b45d81R212