From e6f6ebc1f8f60d6d44f6be22c6386c238d6a9d97 Mon Sep 17 00:00:00 2001
From: Oder Chiou <oder_chiou@realtek.com>
Date: Wed, 22 Oct 2014 16:11:39 +0800
Subject: [PATCH] ASoC: rt5677: Add TDM channel mapping function

It is for channel to slot mapping, and it is not only for 8 channels mapping,
but also in 2, 4 and 6 channels mapping. If we want to use the 2 channels in
the stereo2 adc path, we need to set the item "2/1/3/4" or "2/3/1/4".

It also adds for stereo channel swap. It can map the sterero channels "L/R"
to "R/L", "L/L" or R/R.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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