Merge remote-tracking branch 'asoc/fix/rcar' into asoc-linus

sound/soc/sh/rcar/adg.c

@@ -610,6 +610,13 @@ void rsnd_adg_remove(struct rsnd_priv *priv)
 {
 	struct device *dev = rsnd_priv_to_dev(priv);
 	struct device_node *np = dev->of_node;
+	struct rsnd_adg *adg = priv->adg;
+	struct clk *clk;
+	int i;
+
+	for_each_rsnd_clkout(clk, adg, i)
+		if (adg->clkout[i])
+			clk_unregister_fixed_rate(adg->clkout[i]);
 
 	of_clk_del_provider(np);
 

sound/soc/sh/rcar/core.c

@@ -726,7 +726,6 @@ static int rsnd_soc_set_dai_tdm_slot(struct snd_soc_dai *dai,
 	case 2:
 	case 6:
 	case 8:
-	case 16:
 		/* TDM Extend Mode */
 		rsnd_rdai_channels_set(rdai, slots);
 		rsnd_rdai_ssi_lane_set(rdai, 1);
@@ -740,7 +739,7 @@ static int rsnd_soc_set_dai_tdm_slot(struct snd_soc_dai *dai,
 }
 
 static unsigned int rsnd_soc_hw_channels_list[] = {
-	2, 6, 8, 16,
+	2, 6, 8,
 };
 
 static unsigned int rsnd_soc_hw_rate_list[] = {
@@ -1017,7 +1016,7 @@ static void __rsnd_dai_probe(struct rsnd_priv *priv,
 	drv->playback.rates		= RSND_RATES;
 	drv->playback.formats		= RSND_FMTS;
 	drv->playback.channels_min	= 2;
-	drv->playback.channels_max	= 16;
+	drv->playback.channels_max	= 8;
 	drv->playback.stream_name	= rdai->playback.name;
 
 	snprintf(rdai->capture.name, RSND_DAI_NAME_SIZE,
@@ -1025,7 +1024,7 @@ static void __rsnd_dai_probe(struct rsnd_priv *priv,
 	drv->capture.rates		= RSND_RATES;
 	drv->capture.formats		= RSND_FMTS;
 	drv->capture.channels_min	= 2;
-	drv->capture.channels_max	= 16;
+	drv->capture.channels_max	= 8;
 	drv->capture.stream_name	= rdai->capture.name;
 
 	rdai->playback.rdai		= rdai;

sound/soc/sh/rcar/ssi.c

@@ -72,6 +72,7 @@ struct rsnd_ssi {
 	u32 cr_own;
 	u32 cr_clk;
 	u32 cr_mode;
+	u32 cr_en;
 	u32 wsr;
 	int chan;
 	int rate;
@@ -291,6 +292,16 @@ static int rsnd_ssi_master_clk_start(struct rsnd_mod *mod,
 	if (ret < 0)
 		return ret;
 
+	/*
+	 * SSI clock will be output contiguously
+	 * by below settings.
+	 * This means, rsnd_ssi_master_clk_start()
+	 * and rsnd_ssi_register_setup() are necessary
+	 * for SSI parent
+	 *
+	 * SSICR  : FORCE, SCKD, SWSD
+	 * SSIWSR : CONT
+	 */
 	ssi->cr_clk = FORCE | SWL_32 | SCKD | SWSD | CKDV(idx);
 	ssi->wsr = CONT;
 	ssi->rate = rate;
@@ -393,7 +404,8 @@ static void rsnd_ssi_register_setup(struct rsnd_mod *mod)
 	rsnd_mod_write(mod, SSIWSR,	ssi->wsr);
 	rsnd_mod_write(mod, SSICR,	ssi->cr_own	|
 					ssi->cr_clk	|
-					ssi->cr_mode); /* without EN */
+					ssi->cr_mode	|
+					ssi->cr_en);
 }
 
 static void rsnd_ssi_pointer_init(struct rsnd_mod *mod,
@@ -544,6 +556,8 @@ static int rsnd_ssi_start(struct rsnd_mod *mod,
 			  struct rsnd_dai_stream *io,
 			  struct rsnd_priv *priv)
 {
+	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
+
 	if (!rsnd_ssi_is_run_mods(mod, io))
 		return 0;
 
@@ -554,7 +568,19 @@ static int rsnd_ssi_start(struct rsnd_mod *mod,
 	if (rsnd_ssi_multi_slaves_runtime(io))
 		return 0;
 
-	rsnd_mod_bset(mod, SSICR, EN, EN);
+	/*
+	 * EN is for data output.
+	 * SSI parent EN is not needed.
+	 */
+	if (rsnd_ssi_is_parent(mod, io))
+		return 0;
+
+	ssi->cr_en = EN;
+
+	rsnd_mod_write(mod, SSICR,	ssi->cr_own	|
+					ssi->cr_clk	|
+					ssi->cr_mode	|
+					ssi->cr_en);
 
 	return 0;
 }
@@ -569,13 +595,7 @@ static int rsnd_ssi_stop(struct rsnd_mod *mod,
 	if (!rsnd_ssi_is_run_mods(mod, io))
 		return 0;
 
-	/*
-	 * don't stop if not last user
-	 * see also
-	 *	rsnd_ssi_start
-	 *	rsnd_ssi_interrupt
-	 */
-	if (ssi->usrcnt > 1)
+	if (rsnd_ssi_is_parent(mod, io))
 		return 0;
 
 	/*
@@ -595,6 +615,8 @@ static int rsnd_ssi_stop(struct rsnd_mod *mod,
 	rsnd_mod_write(mod, SSICR, cr);	/* disabled all */
 	rsnd_ssi_status_check(mod, IIRQ);
 
+	ssi->cr_en = 0;
+
 	return 0;
 }
 
@@ -823,10 +845,10 @@ static int rsnd_ssi_dma_remove(struct rsnd_mod *mod,
 			       struct rsnd_priv *priv)
 {
 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
-	struct rsnd_mod *ssi_parent_mod = rsnd_io_to_mod_ssip(io);
+	struct rsnd_mod *pure_ssi_mod = rsnd_io_to_mod_ssi(io);
 
-	/* Do nothing for SSI parent mod */
-	if (ssi_parent_mod == mod)
+	/* Do nothing if non SSI (= SSI parent, multi SSI) mod */
+	if (pure_ssi_mod != mod)
 		return 0;
 
 	/* PIO will request IRQ again */