ASoC: rsnd: add SRC (Sampling Rate Converter) support

This patch adds SRC support to Renesas sound driver.
SRC converts sampling rate between codec <-> cpu.
It needs special codec chip,
or very simple DA/AD converter to use it.
This patch was tested via ak4554 codec,
and supports Gen1 only at this point.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/sound/rcar_snd.h b/include/sound/rcar_snd.h
index a818ff76b138..e147498abe50 100644
--- a/include/sound/rcar_snd.h
+++ b/include/sound/rcar_snd.h
@@ -58,6 +58,7 @@ struct rsnd_ssi_platform_info {
 
 struct rsnd_scu_platform_info {
         u32 flags;
+        u32 convert_rate; /* sampling rate convert */
 };
 
 /*