ASoC: rsnd: remove unsed rdai parameter from each function

Current rsnd driver's many functions requests struct rsnd_dai (= rdai),
but, 1) we can get rdai from rsnd_io_to_rsnd(), 2) almost all rdai
is not used. Let's remove these rdai.

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

6 files changed, 56 insertions, 87 deletions

diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c
index 9d22c75b9b32..7ac35c9d1cb8 100644
--- a/sound/soc/sh/rcar/adg.c
+++ b/sound/soc/sh/rcar/adg.c
@@ -57,8 +57,7 @@ static u32 rsnd_adg_ssi_ws_timing_gen2(struct rsnd_dai_stream *io)
         return (0x6 + ws) << 8;
 }
 
-int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_dai *rdai,
-                                 struct rsnd_mod *mod,
+int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_mod *mod,
                                  struct rsnd_dai_stream *io)
 {
         int id = rsnd_mod_id(mod);
@@ -75,8 +74,7 @@ int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_dai *rdai,
         return 0;
 }
 
-static int rsnd_adg_set_src_timsel_gen2(struct rsnd_dai *rdai,
-                                        struct rsnd_mod *mod,
+static int rsnd_adg_set_src_timsel_gen2(struct rsnd_mod *mod,
                                         struct rsnd_dai_stream *io,
                                         u32 timsel)
 {
@@ -122,7 +120,6 @@ static int rsnd_adg_set_src_timsel_gen2(struct rsnd_dai *rdai,
 }
 
 int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod,
-                                  struct rsnd_dai *rdai,
                                   struct rsnd_dai_stream *io,
                                   unsigned int src_rate,
                                   unsigned int dst_rate)
@@ -178,7 +175,7 @@ int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod,
                 return -EIO;
         }
 
-        ret = rsnd_adg_set_src_timsel_gen2(rdai, mod, io, val);
+        ret = rsnd_adg_set_src_timsel_gen2(mod, io, val);
         if (ret < 0) {
                 dev_err(dev, "timsel error\n");
                 return ret;
@@ -190,12 +187,11 @@ int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod,
 }
 
 int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *mod,
-                                     struct rsnd_dai *rdai,
                                      struct rsnd_dai_stream *io)
 {
         u32 val = rsnd_adg_ssi_ws_timing_gen2(io);
 
-        return rsnd_adg_set_src_timsel_gen2(rdai, mod, io, val);
+        return rsnd_adg_set_src_timsel_gen2(mod, io, val);
 }
 
 int rsnd_adg_set_convert_clk_gen1(struct rsnd_priv *priv,
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index c1f577da41fe..74e2c4214058 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -1025,7 +1025,6 @@ static int rsnd_kctrl_put(struct snd_kcontrol *kctrl,
 }
 
 static int __rsnd_kctrl_new(struct rsnd_mod *mod,
-                            struct rsnd_dai *rdai,
                             struct snd_soc_pcm_runtime *rtd,
                             const unsigned char *name,
                             struct rsnd_kctrl_cfg *cfg,
@@ -1057,7 +1056,6 @@ static int __rsnd_kctrl_new(struct rsnd_mod *mod,
 }
 
 int rsnd_kctrl_new_m(struct rsnd_mod *mod,
-                     struct rsnd_dai *rdai,
                      struct snd_soc_pcm_runtime *rtd,
                      const unsigned char *name,
                      void (*update)(struct rsnd_mod *mod),
@@ -1067,11 +1065,10 @@ int rsnd_kctrl_new_m(struct rsnd_mod *mod,
         _cfg->cfg.max   = max;
         _cfg->cfg.size  = RSND_DVC_CHANNELS;
         _cfg->cfg.val   = _cfg->val;
-        return __rsnd_kctrl_new(mod, rdai, rtd, name, &_cfg->cfg, update);
+        return __rsnd_kctrl_new(mod, rtd, name, &_cfg->cfg, update);
 }
 
 int rsnd_kctrl_new_s(struct rsnd_mod *mod,
-                     struct rsnd_dai *rdai,
                      struct snd_soc_pcm_runtime *rtd,
                      const unsigned char *name,
                      void (*update)(struct rsnd_mod *mod),
@@ -1081,11 +1078,10 @@ int rsnd_kctrl_new_s(struct rsnd_mod *mod,
         _cfg->cfg.max   = max;
         _cfg->cfg.size  = 1;
         _cfg->cfg.val   = &_cfg->val;
-        return __rsnd_kctrl_new(mod, rdai, rtd, name, &_cfg->cfg, update);
+        return __rsnd_kctrl_new(mod, rtd, name, &_cfg->cfg, update);
 }
 
 int rsnd_kctrl_new_e(struct rsnd_mod *mod,
-                     struct rsnd_dai *rdai,
                      struct snd_soc_pcm_runtime *rtd,
                      const unsigned char *name,
                      struct rsnd_kctrl_cfg_s *_cfg,
@@ -1097,7 +1093,7 @@ int rsnd_kctrl_new_e(struct rsnd_mod *mod,
         _cfg->cfg.size  = 1;
         _cfg->cfg.val   = &_cfg->val;
         _cfg->cfg.texts = texts;
-        return __rsnd_kctrl_new(mod, rdai, rtd, name, &_cfg->cfg, update);
+        return __rsnd_kctrl_new(mod, rtd, name, &_cfg->cfg, update);
 }
 
 /*
@@ -1138,10 +1134,9 @@ static const struct snd_soc_component_driver rsnd_soc_component = {
 };
 
 static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv,
-                                       struct rsnd_dai *rdai,
-                                       int is_play)
+                                       struct rsnd_dai_stream *io)
 {
-        struct rsnd_dai_stream *io = is_play ? &rdai->playback : &rdai->capture;
+        struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
         int ret;
 
         ret = rsnd_dai_call(probe, io, rdai);
@@ -1241,11 +1236,11 @@ static int rsnd_probe(struct platform_device *pdev)
         }
 
         for_each_rsnd_dai(rdai, priv, i) {
-                ret = rsnd_rdai_continuance_probe(priv, rdai, 1);
+                ret = rsnd_rdai_continuance_probe(priv, &rdai->playback);
                 if (ret)
                         goto exit_snd_probe;
 
-                ret = rsnd_rdai_continuance_probe(priv, rdai, 0);
+                ret = rsnd_rdai_continuance_probe(priv, &rdai->capture);
                 if (ret)
                         goto exit_snd_probe;
         }
diff --git a/sound/soc/sh/rcar/dvc.c b/sound/soc/sh/rcar/dvc.c
index 225baa32bf0b..e24db9e4ee25 100644
--- a/sound/soc/sh/rcar/dvc.c
+++ b/sound/soc/sh/rcar/dvc.c
@@ -171,7 +171,7 @@ static int rsnd_dvc_init(struct rsnd_mod *dvc_mod,
 
         rsnd_mod_write(dvc_mod, DVC_DVUIR, 0);
 
-        rsnd_adg_set_cmd_timsel_gen2(rdai, dvc_mod, io);
+        rsnd_adg_set_cmd_timsel_gen2(dvc_mod, io);
 
         return 0;
 }
@@ -210,7 +210,7 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
         int ret;
 
         /* Volume */
-        ret = rsnd_kctrl_new_m(mod, rdai, rtd,
+        ret = rsnd_kctrl_new_m(mod, rtd,
                         is_play ?
                         "DVC Out Playback Volume" : "DVC In Capture Volume",
                         rsnd_dvc_volume_update,
@@ -219,7 +219,7 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
                 return ret;
 
         /* Mute */
-        ret = rsnd_kctrl_new_m(mod, rdai, rtd,
+        ret = rsnd_kctrl_new_m(mod, rtd,
                         is_play ?
                         "DVC Out Mute Switch" : "DVC In Mute Switch",
                         rsnd_dvc_volume_update,
@@ -228,7 +228,7 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
                 return ret;
 
         /* Ramp */
-        ret = rsnd_kctrl_new_s(mod, rdai, rtd,
+        ret = rsnd_kctrl_new_s(mod, rtd,
                         is_play ?
                         "DVC Out Ramp Switch" : "DVC In Ramp Switch",
                         rsnd_dvc_volume_update,
@@ -236,7 +236,7 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
         if (ret < 0)
                 return ret;
 
-        ret = rsnd_kctrl_new_e(mod, rdai, rtd,
+        ret = rsnd_kctrl_new_e(mod, rtd,
                         is_play ?
                         "DVC Out Ramp Up Rate" : "DVC In Ramp Up Rate",
                         &dvc->rup,
@@ -245,7 +245,7 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
         if (ret < 0)
                 return ret;
 
-        ret = rsnd_kctrl_new_e(mod, rdai, rtd,
+        ret = rsnd_kctrl_new_e(mod, rtd,
                         is_play ?
                         "DVC Out Ramp Down Rate" : "DVC In Ramp Down Rate",
                         &dvc->rdown,
diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h
index 83eb46c35e94..aaba717b8fd3 100644
--- a/sound/soc/sh/rcar/rsnd.h
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -351,15 +351,12 @@ int rsnd_adg_set_convert_clk_gen1(struct rsnd_priv *priv,
                                   unsigned int src_rate,
                                   unsigned int dst_rate);
 int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod,
-                                  struct rsnd_dai *rdai,
                                   struct rsnd_dai_stream *io,
                                   unsigned int src_rate,
                                   unsigned int dst_rate);
 int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *mod,
-                                     struct rsnd_dai *rdai,
                                      struct rsnd_dai_stream *io);
-int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_dai *rdai,
-                                 struct rsnd_mod *mod,
+int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_mod *mod,
                                  struct rsnd_dai_stream *io);
 
 /*
@@ -453,21 +450,18 @@ struct rsnd_kctrl_cfg_s {
 };
 
 int rsnd_kctrl_new_m(struct rsnd_mod *mod,
-                     struct rsnd_dai *rdai,
                      struct snd_soc_pcm_runtime *rtd,
                      const unsigned char *name,
                      void (*update)(struct rsnd_mod *mod),
                      struct rsnd_kctrl_cfg_m *_cfg,
                      u32 max);
 int rsnd_kctrl_new_s(struct rsnd_mod *mod,
-                     struct rsnd_dai *rdai,
                      struct snd_soc_pcm_runtime *rtd,
                      const unsigned char *name,
                      void (*update)(struct rsnd_mod *mod),
                      struct rsnd_kctrl_cfg_s *_cfg,
                      u32 max);
 int rsnd_kctrl_new_e(struct rsnd_mod *mod,
-                     struct rsnd_dai *rdai,
                      struct snd_soc_pcm_runtime *rtd,
                      const unsigned char *name,
                      struct rsnd_kctrl_cfg_s *_cfg,
@@ -486,14 +480,10 @@ unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
                                    struct rsnd_dai_stream *io,
                                    struct snd_pcm_runtime *runtime);
 int rsnd_src_ssiu_start(struct rsnd_mod *ssi_mod,
-                        struct rsnd_dai *rdai,
                         int use_busif);
-int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod,
-                       struct rsnd_dai *rdai);
-int rsnd_src_ssi_irq_enable(struct rsnd_mod *ssi_mod,
-                            struct rsnd_dai *rdai);
-int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod,
-                             struct rsnd_dai *rdai);
+int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod);
+int rsnd_src_ssi_irq_enable(struct rsnd_mod *ssi_mod);
+int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod);
 
 #define rsnd_src_nr(priv) ((priv)->src_nr)
 
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index d4f9cccfff55..31e19a00655f 100644
--- a/sound/soc/sh/rcar/src.c
+++ b/sound/soc/sh/rcar/src.c
@@ -114,10 +114,10 @@ struct rsnd_src {
  *              Gen1/Gen2 common functions
  */
 int rsnd_src_ssiu_start(struct rsnd_mod *ssi_mod,
-                        struct rsnd_dai *rdai,
                         int use_busif)
 {
         struct rsnd_dai_stream *io = rsnd_mod_to_io(ssi_mod);
+        struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
         struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
         int ssi_id = rsnd_mod_id(ssi_mod);
 
@@ -181,8 +181,7 @@ int rsnd_src_ssiu_start(struct rsnd_mod *ssi_mod,
         return 0;
 }
 
-int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod,
-                       struct rsnd_dai *rdai)
+int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod)
 {
         /*
          * DMA settings for SSIU
@@ -192,8 +191,7 @@ int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod,
         return 0;
 }
 
-int rsnd_src_ssi_irq_enable(struct rsnd_mod *ssi_mod,
-                            struct rsnd_dai *rdai)
+int rsnd_src_ssi_irq_enable(struct rsnd_mod *ssi_mod)
 {
         struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod);
 
@@ -209,8 +207,7 @@ int rsnd_src_ssi_irq_enable(struct rsnd_mod *ssi_mod,
         return 0;
 }
 
-int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod,
-                            struct rsnd_dai *rdai)
+int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod)
 {
         struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod);
 
@@ -247,8 +244,7 @@ unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
         return rate;
 }
 
-static int rsnd_src_set_convert_rate(struct rsnd_mod *mod,
-                                     struct rsnd_dai *rdai)
+static int rsnd_src_set_convert_rate(struct rsnd_mod *mod)
 {
         struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
         struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
@@ -280,8 +276,7 @@ static int rsnd_src_set_convert_rate(struct rsnd_mod *mod,
         return 0;
 }
 
-static int rsnd_src_init(struct rsnd_mod *mod,
-                         struct rsnd_dai *rdai)
+static int rsnd_src_init(struct rsnd_mod *mod)
 {
         struct rsnd_src *src = rsnd_mod_to_src(mod);
 
@@ -333,8 +328,7 @@ static int rsnd_src_stop(struct rsnd_mod *mod)
 /*
  *              Gen1 functions
  */
-static int rsnd_src_set_route_gen1(struct rsnd_mod *mod,
-                                   struct rsnd_dai *rdai)
+static int rsnd_src_set_route_gen1(struct rsnd_mod *mod)
 {
         struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
         struct src_route_config {
@@ -371,8 +365,7 @@ static int rsnd_src_set_route_gen1(struct rsnd_mod *mod,
         return 0;
 }
 
-static int rsnd_src_set_convert_timing_gen1(struct rsnd_mod *mod,
-                                            struct rsnd_dai *rdai)
+static int rsnd_src_set_convert_timing_gen1(struct rsnd_mod *mod)
 {
         struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
         struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
@@ -430,13 +423,12 @@ static int rsnd_src_set_convert_timing_gen1(struct rsnd_mod *mod,
         return 0;
 }
 
-static int rsnd_src_set_convert_rate_gen1(struct rsnd_mod *mod,
-                                          struct rsnd_dai *rdai)
+static int rsnd_src_set_convert_rate_gen1(struct rsnd_mod *mod)
 {
         struct rsnd_src *src = rsnd_mod_to_src(mod);
         int ret;
 
-        ret = rsnd_src_set_convert_rate(mod, rdai);
+        ret = rsnd_src_set_convert_rate(mod);
         if (ret < 0)
                 return ret;
 
@@ -473,19 +465,19 @@ static int rsnd_src_init_gen1(struct rsnd_mod *mod,
 {
         int ret;
 
-        ret = rsnd_src_init(mod, rdai);
+        ret = rsnd_src_init(mod);
         if (ret < 0)
                 return ret;
 
-        ret = rsnd_src_set_route_gen1(mod, rdai);
+        ret = rsnd_src_set_route_gen1(mod);
         if (ret < 0)
                 return ret;
 
-        ret = rsnd_src_set_convert_rate_gen1(mod, rdai);
+        ret = rsnd_src_set_convert_rate_gen1(mod);
         if (ret < 0)
                 return ret;
 
-        ret = rsnd_src_set_convert_timing_gen1(mod, rdai);
+        ret = rsnd_src_set_convert_timing_gen1(mod);
         if (ret < 0)
                 return ret;
 
@@ -628,8 +620,7 @@ static irqreturn_t rsnd_src_interrupt_gen2(int irq, void *data)
         return IRQ_HANDLED;
 }
 
-static int rsnd_src_set_convert_rate_gen2(struct rsnd_mod *mod,
-                                          struct rsnd_dai *rdai)
+static int rsnd_src_set_convert_rate_gen2(struct rsnd_mod *mod)
 {
         struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
         struct device *dev = rsnd_priv_to_dev(priv);
@@ -653,7 +644,7 @@ static int rsnd_src_set_convert_rate_gen2(struct rsnd_mod *mod,
                 return -EINVAL;
         }
 
-        ret = rsnd_src_set_convert_rate(mod, rdai);
+        ret = rsnd_src_set_convert_rate(mod);
         if (ret < 0)
                 return ret;
 
@@ -681,8 +672,7 @@ static int rsnd_src_set_convert_rate_gen2(struct rsnd_mod *mod,
         return 0;
 }
 
-static int rsnd_src_set_convert_timing_gen2(struct rsnd_mod *mod,
-                                            struct rsnd_dai *rdai)
+static int rsnd_src_set_convert_timing_gen2(struct rsnd_mod *mod)
 {
         struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
         struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
@@ -691,11 +681,11 @@ static int rsnd_src_set_convert_timing_gen2(struct rsnd_mod *mod,
         int ret;
 
         if (convert_rate)
-                ret = rsnd_adg_set_convert_clk_gen2(mod, rdai, io,
+                ret = rsnd_adg_set_convert_clk_gen2(mod, io,
                                                     runtime->rate,
                                                     convert_rate);
         else
-                ret = rsnd_adg_set_convert_timing_gen2(mod, rdai, io);
+                ret = rsnd_adg_set_convert_timing_gen2(mod, io);
 
         return ret;
 }
@@ -755,15 +745,15 @@ static int rsnd_src_init_gen2(struct rsnd_mod *mod,
 {
         int ret;
 
-        ret = rsnd_src_init(mod, rdai);
+        ret = rsnd_src_init(mod);
         if (ret < 0)
                 return ret;
 
-        ret = rsnd_src_set_convert_rate_gen2(mod, rdai);
+        ret = rsnd_src_set_convert_rate_gen2(mod);
         if (ret < 0)
                 return ret;
 
-        ret = rsnd_src_set_convert_timing_gen2(mod, rdai);
+        ret = rsnd_src_set_convert_timing_gen2(mod);
         if (ret < 0)
                 return ret;
 
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index b9d33b985845..6e36c53e7b8f 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -64,7 +64,6 @@ struct rsnd_ssi {
         struct rsnd_ssi *parent;
         struct rsnd_mod mod;
 
-        struct rsnd_dai *rdai;
         u32 cr_own;
         u32 cr_clk;
         int err;
@@ -178,10 +177,10 @@ static void rsnd_ssi_master_clk_stop(struct rsnd_ssi *ssi)
 }
 
 static void rsnd_ssi_hw_start(struct rsnd_ssi *ssi,
-                              struct rsnd_dai *rdai,
                               struct rsnd_dai_stream *io)
 {
         struct rsnd_priv *priv = rsnd_mod_to_priv(&ssi->mod);
+        struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
         struct device *dev = rsnd_priv_to_dev(priv);
         u32 cr_mode;
         u32 cr;
@@ -191,7 +190,7 @@ static void rsnd_ssi_hw_start(struct rsnd_ssi *ssi,
 
                 if (rsnd_rdai_is_clk_master(rdai)) {
                         if (rsnd_ssi_clk_from_parent(ssi))
-                                rsnd_ssi_hw_start(ssi->parent, rdai, io);
+                                rsnd_ssi_hw_start(ssi->parent, io);
                         else
                                 rsnd_ssi_master_clk_start(ssi, io);
                 }
@@ -222,10 +221,11 @@ static void rsnd_ssi_hw_start(struct rsnd_ssi *ssi,
                 rsnd_mod_name(&ssi->mod), rsnd_mod_id(&ssi->mod));
 }
 
-static void rsnd_ssi_hw_stop(struct rsnd_ssi *ssi,
-                             struct rsnd_dai *rdai)
+static void rsnd_ssi_hw_stop(struct rsnd_ssi *ssi)
 {
         struct rsnd_priv *priv = rsnd_mod_to_priv(&ssi->mod);
+        struct rsnd_dai_stream *io = rsnd_mod_to_io(&ssi->mod);
+        struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
         struct device *dev = rsnd_priv_to_dev(priv);
         u32 cr;
 
@@ -254,7 +254,7 @@ static void rsnd_ssi_hw_stop(struct rsnd_ssi *ssi,
 
                 if (rsnd_rdai_is_clk_master(rdai)) {
                         if (rsnd_ssi_clk_from_parent(ssi))
-                                rsnd_ssi_hw_stop(ssi->parent, rdai);
+                                rsnd_ssi_hw_stop(ssi->parent);
                         else
                                 rsnd_ssi_master_clk_stop(ssi);
                 }
@@ -313,7 +313,6 @@ static int rsnd_ssi_init(struct rsnd_mod *mod,
         /*
          * set ssi parameter
          */
-        ssi->rdai       = rdai;
         ssi->cr_own     = cr;
         ssi->err        = -1; /* ignore 1st error */
 
@@ -330,7 +329,6 @@ static int rsnd_ssi_quit(struct rsnd_mod *mod,
         if (ssi->err > 0)
                 dev_warn(dev, "ssi under/over flow err = %d\n", ssi->err);
 
-        ssi->rdai       = NULL;
         ssi->cr_own     = 0;
         ssi->err        = 0;
 
@@ -354,11 +352,11 @@ static int rsnd_ssi_start(struct rsnd_mod *mod,
         struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
         struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
 
-        rsnd_src_ssiu_start(mod, rdai, rsnd_ssi_use_busif(mod));
+        rsnd_src_ssiu_start(mod, rsnd_ssi_use_busif(mod));
 
-        rsnd_ssi_hw_start(ssi, rdai, io);
+        rsnd_ssi_hw_start(ssi, io);
 
-        rsnd_src_ssi_irq_enable(mod, rdai);
+        rsnd_src_ssi_irq_enable(mod);
 
         return 0;
 }
@@ -368,13 +366,13 @@ static int rsnd_ssi_stop(struct rsnd_mod *mod,
 {
         struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
 
-        rsnd_src_ssi_irq_disable(mod, rdai);
+        rsnd_src_ssi_irq_disable(mod);
 
         rsnd_ssi_record_error(ssi, rsnd_mod_read(mod, SSISR));
 
-        rsnd_ssi_hw_stop(ssi, rdai);
+        rsnd_ssi_hw_stop(ssi);
 
-        rsnd_src_ssiu_stop(mod, rdai);
+        rsnd_src_ssiu_stop(mod);
 
         return 0;
 }
@@ -382,9 +380,9 @@ static int rsnd_ssi_stop(struct rsnd_mod *mod,
 static irqreturn_t rsnd_ssi_interrupt(int irq, void *data)
 {
         struct rsnd_ssi *ssi = data;
-        struct rsnd_dai *rdai = ssi->rdai;
         struct rsnd_mod *mod = &ssi->mod;
         struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+        struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
         u32 status = rsnd_mod_read(mod, SSISR);
 
         if (!io)