rsnd need to use 8ch clock settings for 6ch for TDM.
Otherwise, it can't work correctly.
This patch fixup it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
        return chan;
 }
 
+int rsnd_channel_normalization(int chan)
+{
+       if ((chan > 8) || (chan < 0))
+               return 0;
+
+       /* TDM Extend Mode needs 8ch */
+       if (chan == 6)
+               chan = 8;
+
+       return chan;
+}
+
 int rsnd_runtime_channel_for_ssi_with_params(struct rsnd_dai_stream *io,
                                             struct snd_pcm_hw_params *params)
 {
        if (rsnd_runtime_is_multi_ssi(io))
                chan /= rsnd_rdai_ssi_lane_get(rdai);
 
-       /* TDM Extend Mode needs 8ch */
-       if (chan == 6)
-               chan = 8;
-
-       return chan;
+       return rsnd_channel_normalization(chan);
 }
 
 int rsnd_runtime_is_multi_ssi(struct rsnd_dai_stream *io)
 
                struct device_node *playback,
                struct device_node *capture);
 
+int rsnd_channel_normalization(int chan);
 #define rsnd_runtime_channel_original(io) \
        rsnd_runtime_channel_original_with_params(io, NULL)
 int rsnd_runtime_channel_original_with_params(struct rsnd_dai_stream *io,
 
        if (rsnd_runtime_is_tdm_split(io))
                chan = rsnd_io_converted_chan(io);
 
+       chan = rsnd_channel_normalization(chan);
+
        main_rate = rsnd_ssi_clk_query(rdai, rate, chan, &idx);
        if (!main_rate) {
                dev_err(dev, "unsupported clock rate\n");