[alsa-devel] [PATCH 5/5] ASoC: rsnd: add DVC support
Kuninori Morimoto
kuninori.morimoto.gx at gmail.com
Fri May 9 02:44:49 CEST 2014
From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
This patch adds DVC (Digital Volume Controller)
support which is member of CMD unit.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
include/sound/rcar_snd.h | 10 ++
sound/soc/sh/rcar/Makefile | 2 +-
sound/soc/sh/rcar/adg.c | 18 +++
sound/soc/sh/rcar/core.c | 20 ++++
sound/soc/sh/rcar/dvc.c | 273 ++++++++++++++++++++++++++++++++++++++++++++
sound/soc/sh/rcar/gen.c | 11 ++
sound/soc/sh/rcar/rsnd.h | 40 +++++++
sound/soc/sh/rcar/src.c | 4 +-
8 files changed, 376 insertions(+), 2 deletions(-)
create mode 100644 sound/soc/sh/rcar/dvc.c
diff --git a/include/sound/rcar_snd.h b/include/sound/rcar_snd.h
index a03268e..f4a706f 100644
--- a/include/sound/rcar_snd.h
+++ b/include/sound/rcar_snd.h
@@ -56,9 +56,17 @@ struct rsnd_src_platform_info {
int dma_id; /* for Gen2 SCU */
};
+/*
+ * flags
+ */
+struct rsnd_dvc_platform_info {
+ u32 flags;
+};
+
struct rsnd_dai_path_info {
struct rsnd_ssi_platform_info *ssi;
struct rsnd_src_platform_info *src;
+ struct rsnd_dvc_platform_info *dvc;
};
struct rsnd_dai_platform_info {
@@ -83,6 +91,8 @@ struct rcar_snd_info {
int ssi_info_nr;
struct rsnd_src_platform_info *src_info;
int src_info_nr;
+ struct rsnd_dvc_platform_info *dvc_info;
+ int dvc_info_nr;
struct rsnd_dai_platform_info *dai_info;
int dai_info_nr;
int (*start)(int id);
diff --git a/sound/soc/sh/rcar/Makefile b/sound/soc/sh/rcar/Makefile
index 7d0051c..9ac5364 100644
--- a/sound/soc/sh/rcar/Makefile
+++ b/sound/soc/sh/rcar/Makefile
@@ -1,2 +1,2 @@
-snd-soc-rcar-objs := core.o gen.o src.o adg.o ssi.o
+snd-soc-rcar-objs := core.o gen.o src.o adg.o ssi.o dvc.o
obj-$(CONFIG_SND_SOC_RCAR) += snd-soc-rcar.o
\ No newline at end of file
diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c
index 41556b2..fc41a0e 100644
--- a/sound/soc/sh/rcar/adg.c
+++ b/sound/soc/sh/rcar/adg.c
@@ -57,6 +57,24 @@ 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,
+ struct rsnd_dai_stream *io)
+{
+ int id = rsnd_mod_id(mod);
+ int shift = (id % 2) ? 16 : 0;
+ u32 mask, val;
+
+ val = rsnd_adg_ssi_ws_timing_gen2(io);
+
+ val = val << shift;
+ mask = 0xffff << shift;
+
+ rsnd_mod_bset(mod, CMDOUT_TIMSEL, mask, val);
+
+ return 0;
+}
+
static int rsnd_adg_set_src_timsel_gen2(struct rsnd_dai *rdai,
struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index 378985b..1f6981a 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -645,6 +645,11 @@ static int rsnd_path_init(struct rsnd_priv *priv,
if (ret < 0)
return ret;
+ /* DVC */
+ ret = rsnd_path_parse(priv, io, dvc);
+ if (ret < 0)
+ return ret;
+
return ret;
}
@@ -869,6 +874,20 @@ static struct snd_pcm_ops rsnd_pcm_ops = {
static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct rsnd_priv *priv = snd_soc_dai_get_drvdata(rtd->cpu_dai);
+ struct rsnd_dai *rdai;
+ int i, ret;
+
+ for_each_rsnd_dai(rdai, priv, i) {
+ ret = rsnd_dai_call(pcm_new, &rdai->playback, rdai, rtd);
+ if (ret)
+ return ret;
+
+ ret = rsnd_dai_call(pcm_new, &rdai->capture, rdai, rtd);
+ if (ret)
+ return ret;
+ }
+
return snd_pcm_lib_preallocate_pages_for_all(
rtd->pcm,
SNDRV_DMA_TYPE_DEV,
@@ -908,6 +927,7 @@ static int rsnd_probe(struct platform_device *pdev)
rsnd_gen_probe,
rsnd_ssi_probe,
rsnd_src_probe,
+ rsnd_dvc_probe,
rsnd_adg_probe,
rsnd_dai_probe,
};
diff --git a/sound/soc/sh/rcar/dvc.c b/sound/soc/sh/rcar/dvc.c
new file mode 100644
index 0000000..74769b1
--- /dev/null
+++ b/sound/soc/sh/rcar/dvc.c
@@ -0,0 +1,273 @@
+/*
+ * Renesas R-Car DVC support
+ *
+ * Copyright (C) 2014 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include "rsnd.h"
+
+#define RSND_DVC_NAME_SIZE 16
+#define RSND_DVC_VOLUME_MAX 100
+#define RSND_DVC_VOLUME_NUM 2
+struct rsnd_dvc {
+ struct rsnd_dvc_platform_info *info; /* rcar_snd.h */
+ struct rsnd_mod mod;
+ struct clk *clk;
+ long volume[RSND_DVC_VOLUME_NUM];
+};
+
+#define rsnd_mod_to_dvc(_mod) \
+ container_of((_mod), struct rsnd_dvc, mod)
+
+#define for_each_rsnd_dvc(pos, priv, i) \
+ for ((i) = 0; \
+ ((i) < rsnd_dvc_nr(priv)) && \
+ ((pos) = (struct rsnd_dvc *)(priv)->dvc + i); \
+ i++)
+
+static void rsnd_dvc_volume_update(struct rsnd_mod *mod)
+{
+ struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
+ u32 max = (0x00800000 - 1);
+ u32 vol[RSND_DVC_VOLUME_NUM];
+ int i;
+
+ for (i = 0; i < RSND_DVC_VOLUME_NUM; i++)
+ vol[i] = max / RSND_DVC_VOLUME_MAX * dvc->volume[i];
+
+ rsnd_mod_write(mod, DVC_VOL0R, vol[0]);
+ rsnd_mod_write(mod, DVC_VOL1R, vol[1]);
+}
+
+static int rsnd_dvc_init(struct rsnd_mod *dvc_mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_dvc *dvc = rsnd_mod_to_dvc(dvc_mod);
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(dvc_mod);
+ struct rsnd_priv *priv = rsnd_mod_to_priv(dvc_mod);
+ struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ int dvc_id = rsnd_mod_id(dvc_mod);
+ int src_id = rsnd_mod_id(src_mod);
+ u32 route[] = {
+ [0] = 0x30000,
+ [1] = 0x30001,
+ [2] = 0x40000,
+ [3] = 0x10000,
+ [4] = 0x20000,
+ [5] = 0x40100
+ };
+
+ if (src_id >= ARRAY_SIZE(route)) {
+ dev_err(dev, "DVC%d isn't connected to SRC%d\n", dvc_id, src_id);
+ return -EINVAL;
+ }
+
+ clk_prepare_enable(dvc->clk);
+
+ /*
+ * fixme
+ * it doesn't support CTU/MIX
+ */
+ rsnd_mod_write(dvc_mod, CMD_ROUTE_SLCT, route[src_id]);
+
+ rsnd_mod_write(dvc_mod, DVC_SWRSR, 0);
+ rsnd_mod_write(dvc_mod, DVC_SWRSR, 1);
+
+ rsnd_mod_write(dvc_mod, DVC_DVUIR, 1);
+
+ rsnd_mod_write(dvc_mod, DVC_ADINR, rsnd_get_adinr(dvc_mod));
+
+ /* enable Volume */
+ rsnd_mod_write(dvc_mod, DVC_DVUCR, 0x100);
+
+ /* ch0/ch1 Volume */
+ rsnd_dvc_volume_update(dvc_mod);
+
+ rsnd_mod_write(dvc_mod, DVC_DVUIR, 0);
+
+ rsnd_mod_write(dvc_mod, DVC_DVUER, 1);
+
+ rsnd_adg_set_cmd_timsel_gen2(rdai, dvc_mod, io);
+
+ return 0;
+}
+
+static int rsnd_dvc_quit(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
+
+ clk_disable_unprepare(dvc->clk);
+
+ return 0;
+}
+
+static int rsnd_dvc_start(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ rsnd_mod_write(mod, CMD_CTRL, 0x10);
+
+ return 0;
+}
+
+static int rsnd_dvc_stop(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ rsnd_mod_write(mod, CMD_CTRL, 0);
+
+ return 0;
+}
+
+static int rsnd_dvc_volume_info(struct snd_kcontrol *kctrl,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = RSND_DVC_VOLUME_NUM;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = RSND_DVC_VOLUME_MAX;
+
+ return 0;
+}
+
+static int rsnd_dvc_volume_get(struct snd_kcontrol *kctrl,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct rsnd_mod *mod = snd_kcontrol_chip(kctrl);
+ struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
+ int i;
+
+ for (i = 0; i < RSND_DVC_VOLUME_NUM; i++)
+ ucontrol->value.integer.value[i] = dvc->volume[i];
+
+ return 0;
+}
+
+static int rsnd_dvc_volume_put(struct snd_kcontrol *kctrl,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct rsnd_mod *mod = snd_kcontrol_chip(kctrl);
+ struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
+ int i, change = 0;
+
+ for (i = 0; i < RSND_DVC_VOLUME_NUM; i++) {
+ if (ucontrol->value.integer.value[i] < 0 ||
+ ucontrol->value.integer.value[i] > RSND_DVC_VOLUME_MAX)
+ return -EINVAL;
+
+ change |= (ucontrol->value.integer.value[i] != dvc->volume[i]);
+ }
+
+ if (change) {
+ for (i = 0; i < RSND_DVC_VOLUME_NUM; i++)
+ dvc->volume[i] = ucontrol->value.integer.value[i];
+
+ rsnd_dvc_volume_update(mod);
+ }
+
+ return change;
+}
+
+static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct snd_soc_pcm_runtime *rtd)
+{
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_kcontrol *kctrl;
+ static struct snd_kcontrol_new knew = {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Playback Volume",
+ .info = rsnd_dvc_volume_info,
+ .get = rsnd_dvc_volume_get,
+ .put = rsnd_dvc_volume_put,
+ };
+ int ret;
+
+ if (!rsnd_dai_is_play(rdai, io)) {
+ dev_err(dev, "DVC%d is connected to Capture DAI\n",
+ rsnd_mod_id(mod));
+ return -EINVAL;
+ }
+
+ kctrl = snd_ctl_new1(&knew, mod);
+ if (!kctrl)
+ return -ENOMEM;
+
+ ret = snd_ctl_add(card, kctrl);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static struct rsnd_mod_ops rsnd_dvc_ops = {
+ .name = "dvc (gen2)",
+ .init = rsnd_dvc_init,
+ .quit = rsnd_dvc_quit,
+ .start = rsnd_dvc_start,
+ .stop = rsnd_dvc_stop,
+ .pcm_new = rsnd_dvc_pcm_new,
+};
+
+struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id)
+{
+ if (WARN_ON(id < 0 || id >= rsnd_dvc_nr(priv)))
+ id = 0;
+
+ return &((struct rsnd_dvc *)(priv->dvc) + id)->mod;
+}
+
+int rsnd_dvc_probe(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv)
+{
+ struct rcar_snd_info *info = rsnd_priv_to_info(priv);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ struct rsnd_dvc *dvc;
+ struct clk *clk;
+ char name[RSND_DVC_NAME_SIZE];
+ int i, nr;
+
+ nr = info->dvc_info_nr;
+ if (!nr)
+ return 0;
+
+ /* This driver doesn't support Gen1 at this point */
+ if (rsnd_is_gen1(priv)) {
+ dev_warn(dev, "CMD is not supported on Gen1\n");
+ return -EINVAL;
+ }
+
+ dvc = devm_kzalloc(dev, sizeof(*dvc) * nr, GFP_KERNEL);
+ if (!dvc) {
+ dev_err(dev, "CMD allocate failed\n");
+ return -ENOMEM;
+ }
+
+ priv->dvc_nr = nr;
+ priv->dvc = dvc;
+
+ for_each_rsnd_dvc(dvc, priv, i) {
+ snprintf(name, RSND_DVC_NAME_SIZE, "dvc.%d", i);
+
+ clk = devm_clk_get(dev, name);
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+
+ dvc->info = &info->dvc_info[i];
+ dvc->clk = clk;
+
+ rsnd_mod_init(priv, &dvc->mod, &rsnd_dvc_ops, RSND_MOD_DVC, i);
+
+ dev_dbg(dev, "CMD%d probed\n", i);
+ }
+
+ return 0;
+}
diff --git a/sound/soc/sh/rcar/gen.c b/sound/soc/sh/rcar/gen.c
index 50a1ef3..a135d4c 100644
--- a/sound/soc/sh/rcar/gen.c
+++ b/sound/soc/sh/rcar/gen.c
@@ -181,6 +181,8 @@ static int rsnd_gen2_regmap_init(struct rsnd_priv *priv, struct rsnd_gen *gen)
RSND_GEN2_M_REG(gen, SCU, SRC_BUSIF_MODE, 0x0, 0x20),
RSND_GEN2_M_REG(gen, SCU, SRC_ROUTE_MODE0,0xc, 0x20),
RSND_GEN2_M_REG(gen, SCU, SRC_CTRL, 0x10, 0x20),
+ RSND_GEN2_M_REG(gen, SCU, CMD_ROUTE_SLCT, 0x18c, 0x20),
+ RSND_GEN2_M_REG(gen, SCU, CMD_CTRL, 0x190, 0x20),
RSND_GEN2_M_REG(gen, SCU, SRC_SWRSR, 0x200, 0x40),
RSND_GEN2_M_REG(gen, SCU, SRC_SRCIR, 0x204, 0x40),
RSND_GEN2_M_REG(gen, SCU, SRC_ADINR, 0x214, 0x40),
@@ -189,6 +191,14 @@ static int rsnd_gen2_regmap_init(struct rsnd_priv *priv, struct rsnd_gen *gen)
RSND_GEN2_M_REG(gen, SCU, SRC_SRCCR, 0x224, 0x40),
RSND_GEN2_M_REG(gen, SCU, SRC_BSDSR, 0x22c, 0x40),
RSND_GEN2_M_REG(gen, SCU, SRC_BSISR, 0x238, 0x40),
+ RSND_GEN2_M_REG(gen, SCU, DVC_SWRSR, 0xe00, 0x100),
+ RSND_GEN2_M_REG(gen, SCU, DVC_DVUIR, 0xe04, 0x100),
+ RSND_GEN2_M_REG(gen, SCU, DVC_ADINR, 0xe08, 0x100),
+ RSND_GEN2_M_REG(gen, SCU, DVC_DVUCR, 0xe10, 0x100),
+ RSND_GEN2_M_REG(gen, SCU, DVC_ZCMCR, 0xe14, 0x100),
+ RSND_GEN2_M_REG(gen, SCU, DVC_VOL0R, 0xe28, 0x100),
+ RSND_GEN2_M_REG(gen, SCU, DVC_VOL1R, 0xe2c, 0x100),
+ RSND_GEN2_M_REG(gen, SCU, DVC_DVUER, 0xe48, 0x100),
RSND_GEN2_S_REG(gen, ADG, BRRA, 0x00),
RSND_GEN2_S_REG(gen, ADG, BRRB, 0x04),
@@ -207,6 +217,7 @@ static int rsnd_gen2_regmap_init(struct rsnd_priv *priv, struct rsnd_gen *gen)
RSND_GEN2_S_REG(gen, ADG, SRCOUT_TIMSEL2, 0x50),
RSND_GEN2_S_REG(gen, ADG, SRCOUT_TIMSEL3, 0x54),
RSND_GEN2_S_REG(gen, ADG, SRCOUT_TIMSEL4, 0x58),
+ RSND_GEN2_S_REG(gen, ADG, CMDOUT_TIMSEL, 0x5c),
RSND_GEN2_M_REG(gen, SSI, SSICR, 0x00, 0x40),
RSND_GEN2_M_REG(gen, SSI, SSISR, 0x04, 0x40),
diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h
index 6156cee..5aa7901 100644
--- a/sound/soc/sh/rcar/rsnd.h
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -44,6 +44,15 @@ enum rsnd_reg {
RSND_REG_SRC_IFSCR,
RSND_REG_SRC_IFSVR,
RSND_REG_SRC_SRCCR,
+ RSND_REG_CMD_ROUTE_SLCT,
+ RSND_REG_DVC_SWRSR,
+ RSND_REG_DVC_DVUIR,
+ RSND_REG_DVC_ADINR,
+ RSND_REG_DVC_DVUCR,
+ RSND_REG_DVC_ZCMCR,
+ RSND_REG_DVC_VOL0R,
+ RSND_REG_DVC_VOL1R,
+ RSND_REG_DVC_DVUER,
/* ADG */
RSND_REG_BRRA,
@@ -79,6 +88,8 @@ enum rsnd_reg {
RSND_REG_SHARE17,
RSND_REG_SHARE18,
RSND_REG_SHARE19,
+ RSND_REG_SHARE20,
+ RSND_REG_SHARE21,
RSND_REG_MAX,
};
@@ -114,6 +125,8 @@ enum rsnd_reg {
#define RSND_REG_SRCOUT_TIMSEL3 RSND_REG_SHARE17
#define RSND_REG_SRCOUT_TIMSEL4 RSND_REG_SHARE18
#define RSND_REG_AUDIO_CLK_SEL2 RSND_REG_SHARE19
+#define RSND_REG_CMD_CTRL RSND_REG_SHARE20
+#define RSND_REG_CMDOUT_TIMSEL RSND_REG_SHARE21
struct rsnd_of_data;
struct rsnd_priv;
@@ -166,6 +179,7 @@ void rsnd_dma_quit(struct rsnd_priv *priv,
enum rsnd_mod_type {
RSND_MOD_SRC = 0,
RSND_MOD_SSI,
+ RSND_MOD_DVC,
RSND_MOD_MAX,
};
@@ -183,6 +197,9 @@ struct rsnd_mod_ops {
struct rsnd_dai *rdai);
int (*stop)(struct rsnd_mod *mod,
struct rsnd_dai *rdai);
+ int (*pcm_new)(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct snd_soc_pcm_runtime *rtd);
};
struct rsnd_dai_stream;
@@ -223,6 +240,7 @@ struct rsnd_dai_stream {
};
#define rsnd_io_to_mod_ssi(io) ((io)->mod[RSND_MOD_SSI])
#define rsnd_io_to_mod_src(io) ((io)->mod[RSND_MOD_SRC])
+#define rsnd_io_to_mod_dvc(io) ((io)->mod[RSND_MOD_DVC])
struct rsnd_dai {
char name[RSND_DAI_NAME_SIZE];
@@ -286,6 +304,9 @@ 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);
+int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_dai *rdai,
+ struct rsnd_mod *mod,
+ struct rsnd_dai_stream *io);
/*
* R-Car sound priv
@@ -323,6 +344,12 @@ struct rsnd_priv {
int ssi_nr;
/*
+ * below value will be filled on rsnd_dvc_probe()
+ */
+ void *dvc;
+ int dvc_nr;
+
+ /*
* below value will be filled on rsnd_dai_probe()
*/
struct snd_soc_dai_driver *daidrv;
@@ -374,4 +401,17 @@ int rsnd_ssi_probe(struct platform_device *pdev,
struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id);
int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
+/*
+ * R-Car DVC
+ */
+int rsnd_dvc_probe(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv);
+void rsnd_dvc_remove(struct platform_device *pdev,
+ struct rsnd_priv *priv);
+struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id);
+
+#define rsnd_dvc_nr(priv) ((priv)->dvc_nr)
+
+
#endif
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index 035eda2..7da87cd 100644
--- a/sound/soc/sh/rcar/src.c
+++ b/sound/soc/sh/rcar/src.c
@@ -536,12 +536,14 @@ static int rsnd_src_init_gen2(struct rsnd_mod *mod,
static int rsnd_src_start_gen2(struct rsnd_mod *mod,
struct rsnd_dai *rdai)
{
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
struct rsnd_src *src = rsnd_mod_to_src(mod);
+ u32 val = rsnd_io_to_mod_dvc(io) ? 0x01 : 0x11;
rsnd_dma_start(rsnd_mod_to_dma(&src->mod));
rsnd_mod_write(mod, SSI_CTRL, 0x1);
- rsnd_mod_write(mod, SRC_CTRL, 0x11);
+ rsnd_mod_write(mod, SRC_CTRL, val);
return rsnd_src_start(mod, rdai);
}
--
1.7.9.5
More information about the Alsa-devel
mailing list