ASoC: rsnd: makes volume ramp rate list generic

DVC is supporting Volume Ramp Rate, and MIX has Volume Ramp
but not yet supported. To support MIX Volume Ramp, we want to
share Rate List since DVC/MIX are using almost same list.
This patch move DVC specific Volume Ramp Rate List to core.c.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sh/rcar/core.c

@@ -1242,6 +1242,33 @@ struct rsnd_kctrl_cfg *rsnd_kctrl_init_s(struct rsnd_kctrl_cfg_s *cfg)
 	return &cfg->cfg;
 }
 
+const char * const volume_ramp_rate[] = {
+	"128 dB/1 step",	 /* 00000 */
+	"64 dB/1 step",		 /* 00001 */
+	"32 dB/1 step",		 /* 00010 */
+	"16 dB/1 step",		 /* 00011 */
+	"8 dB/1 step",		 /* 00100 */
+	"4 dB/1 step",		 /* 00101 */
+	"2 dB/1 step",		 /* 00110 */
+	"1 dB/1 step",		 /* 00111 */
+	"0.5 dB/1 step",	 /* 01000 */
+	"0.25 dB/1 step",	 /* 01001 */
+	"0.125 dB/1 step",	 /* 01010 */
+	"0.125 dB/2 steps",	 /* 01011 */
+	"0.125 dB/4 steps",	 /* 01100 */
+	"0.125 dB/8 steps",	 /* 01101 */
+	"0.125 dB/16 steps",	 /* 01110 */
+	"0.125 dB/32 steps",	 /* 01111 */
+	"0.125 dB/64 steps",	 /* 10000 */
+	"0.125 dB/128 steps",	 /* 10001 */
+	"0.125 dB/256 steps",	 /* 10010 */
+	"0.125 dB/512 steps",	 /* 10011 */
+	"0.125 dB/1024 steps",	 /* 10100 */
+	"0.125 dB/2048 steps",	 /* 10101 */
+	"0.125 dB/4096 steps",	 /* 10110 */
+	"0.125 dB/8192 steps",	 /* 10111 = VOLUME_RAMP_MAX_DVC */
+};
+
 int rsnd_kctrl_new(struct rsnd_mod *mod,
 		   struct rsnd_dai_stream *io,
 		   struct snd_soc_pcm_runtime *rtd,

sound/soc/sh/rcar/dvc.c

@@ -61,33 +61,6 @@ struct rsnd_dvc {
 	     ((pos) = (struct rsnd_dvc *)(priv)->dvc + i);	\
 	     i++)
 
-static const char * const dvc_ramp_rate[] = {
-	"128 dB/1 step",	 /* 00000 */
-	"64 dB/1 step",		 /* 00001 */
-	"32 dB/1 step",		 /* 00010 */
-	"16 dB/1 step",		 /* 00011 */
-	"8 dB/1 step",		 /* 00100 */
-	"4 dB/1 step",		 /* 00101 */
-	"2 dB/1 step",		 /* 00110 */
-	"1 dB/1 step",		 /* 00111 */
-	"0.5 dB/1 step",	 /* 01000 */
-	"0.25 dB/1 step",	 /* 01001 */
-	"0.125 dB/1 step",	 /* 01010 */
-	"0.125 dB/2 steps",	 /* 01011 */
-	"0.125 dB/4 steps",	 /* 01100 */
-	"0.125 dB/8 steps",	 /* 01101 */
-	"0.125 dB/16 steps",	 /* 01110 */
-	"0.125 dB/32 steps",	 /* 01111 */
-	"0.125 dB/64 steps",	 /* 10000 */
-	"0.125 dB/128 steps",	 /* 10001 */
-	"0.125 dB/256 steps",	 /* 10010 */
-	"0.125 dB/512 steps",	 /* 10011 */
-	"0.125 dB/1024 steps",	 /* 10100 */
-	"0.125 dB/2048 steps",	 /* 10101 */
-	"0.125 dB/4096 steps",	 /* 10110 */
-	"0.125 dB/8192 steps",	 /* 10111 */
-};
-
 static void rsnd_dvc_activation(struct rsnd_mod *mod)
 {
 	rsnd_mod_write(mod, DVC_SWRSR, 0);
@@ -298,7 +271,8 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
 			rsnd_kctrl_accept_anytime,
 			rsnd_dvc_volume_update,
 			&dvc->rup,
-			dvc_ramp_rate);
+			volume_ramp_rate,
+			VOLUME_RAMP_MAX_DVC);
 	if (ret < 0)
 		return ret;
 
@@ -308,7 +282,8 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
 			rsnd_kctrl_accept_anytime,
 			rsnd_dvc_volume_update,
 			&dvc->rdown,
-			dvc_ramp_rate);
+			volume_ramp_rate,
+			VOLUME_RAMP_MAX_DVC);
 
 	if (ret < 0)
 		return ret;

sound/soc/sh/rcar/rsnd.h

@@ -656,9 +656,12 @@ int rsnd_kctrl_new(struct rsnd_mod *mod,
 	rsnd_kctrl_new(mod, io, rtd, name, accept, update, rsnd_kctrl_init_s(cfg), \
 		       NULL, 1, max)
 
-#define rsnd_kctrl_new_e(mod, io, rtd, name, accept, update, cfg, texts)	\
+#define rsnd_kctrl_new_e(mod, io, rtd, name, accept, update, cfg, texts, size) \
 	rsnd_kctrl_new(mod, io, rtd, name, accept, update, rsnd_kctrl_init_s(cfg), \
-		       texts, 1, ARRAY_SIZE(texts))
+		       texts, 1, size)
+
+extern const char * const volume_ramp_rate[];
+#define VOLUME_RAMP_MAX_DVC	(0x17 + 1)
 
 /*
  *	R-Car SSI