ASoC: rsnd: rename RSND_DVC_CHANNELS to RSND_MAX_CHANNELS

The channels number is not only for DVC. Let's rename it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sh/rcar/core.c

@@ -988,7 +988,7 @@ int rsnd_kctrl_new_m(struct rsnd_mod *mod,
 		     int ch_size,
 		     u32 max)
 {
-	if (ch_size > RSND_DVC_CHANNELS)
+	if (ch_size > RSND_MAX_CHANNELS)
 		return -EINVAL;
 
 	_cfg->cfg.max	= max;

sound/soc/sh/rcar/dvc.c

@@ -83,15 +83,15 @@ static void rsnd_dvc_volume_parameter(struct rsnd_dai_stream *io,
 					      struct rsnd_mod *mod)
 {
 	struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
-	u32 val[RSND_DVC_CHANNELS];
+	u32 val[RSND_MAX_CHANNELS];
 	int i;
 
 	/* Enable Ramp */
 	if (dvc->ren.val)
-		for (i = 0; i < RSND_DVC_CHANNELS; i++)
+		for (i = 0; i < RSND_MAX_CHANNELS; i++)
 			val[i] = dvc->volume.cfg.max;
 	else
-		for (i = 0; i < RSND_DVC_CHANNELS; i++)
+		for (i = 0; i < RSND_MAX_CHANNELS; i++)
 			val[i] = dvc->volume.val[i];
 
 	/* Enable Digital Volume */

sound/soc/sh/rcar/rsnd.h

@@ -550,10 +550,10 @@ struct rsnd_kctrl_cfg {
 	struct snd_kcontrol *kctrl;
 };
 
-#define RSND_DVC_CHANNELS	8
+#define RSND_MAX_CHANNELS	8
 struct rsnd_kctrl_cfg_m {
 	struct rsnd_kctrl_cfg cfg;
-	u32 val[RSND_DVC_CHANNELS];
+	u32 val[RSND_MAX_CHANNELS];
 };
 
 struct rsnd_kctrl_cfg_s {