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Commit 84d30623 authored by Mark Brown's avatar Mark Brown
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Merge remote-tracking branch 'asoc/topic/rcar' into asoc-next

parents c5a216c3 2ca69d73
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Showing with 197 additions and 172 deletions
Documentation/devicetree/bindings/sound/renesas,rsnd.txt
View file @ 84d30623
......@@ -4,7 +4,7 @@ Renesas R-Car sound
* Modules
=============================================
Renesas R-Car sound is constructed from below modules
Renesas R-Car and RZ/G sound is constructed from below modules
(for Gen2 or later)
SCU : Sampling Rate Converter Unit
......@@ -197,12 +197,17 @@ Ex)
[MEM] -> [SRC2] -> [CTU03] -+
sound {
#address-cells = <1>;
#size-cells = <0>;
compatible = "simple-scu-audio-card";
...
simple-audio-card,cpu-0 {
simple-audio-card,cpu@0 {
reg = <0>;
sound-dai = <&rcar_sound 0>;
};
simple-audio-card,cpu-1 {
simple-audio-card,cpu@1 {
reg = <1>;
sound-dai = <&rcar_sound 1>;
};
simple-audio-card,codec {
......@@ -334,9 +339,11 @@ Required properties:
- compatible : "renesas,rcar_sound-<soctype>", fallbacks
"renesas,rcar_sound-gen1" if generation1, and
"renesas,rcar_sound-gen2" if generation2
"renesas,rcar_sound-gen2" if generation2 (or RZ/G1)
"renesas,rcar_sound-gen3" if generation3
Examples with soctypes are:
- "renesas,rcar_sound-r8a7743" (RZ/G1M)
- "renesas,rcar_sound-r8a7745" (RZ/G1E)
- "renesas,rcar_sound-r8a7778" (R-Car M1A)
- "renesas,rcar_sound-r8a7779" (R-Car H1)
- "renesas,rcar_sound-r8a7790" (R-Car H2)
......
include/sound/soc.h
View file @ 84d30623
......@@ -494,6 +494,8 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
#endif
void snd_soc_disconnect_sync(struct device *dev);
struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
const char *dai_link, int stream);
struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
......
sound/soc/rockchip/rk3399_gru_sound.c
View file @ 84d30623
......@@ -206,7 +206,8 @@ static int rockchip_sound_da7219_init(struct snd_soc_pcm_runtime *rtd)
return ret;
}
snd_jack_set_key(rockchip_sound_jack.jack, SND_JACK_BTN_0, KEY_MEDIA);
snd_jack_set_key(
rockchip_sound_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
snd_jack_set_key(
rockchip_sound_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
snd_jack_set_key(
......
sound/soc/sh/rcar/core.c
View file @ 84d30623
......@@ -197,16 +197,27 @@ int rsnd_io_is_working(struct rsnd_dai_stream *io)
return 0;
}
int rsnd_runtime_channel_original(struct rsnd_dai_stream *io)
int rsnd_runtime_channel_original_with_params(struct rsnd_dai_stream *io,
struct snd_pcm_hw_params *params)
{
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
return runtime->channels;
/*
* params will be added when refine
* see
* __rsnd_soc_hw_rule_rate()
* __rsnd_soc_hw_rule_channels()
*/
if (params)
return params_channels(params);
else
return runtime->channels;
}
int rsnd_runtime_channel_after_ctu(struct rsnd_dai_stream *io)
int rsnd_runtime_channel_after_ctu_with_params(struct rsnd_dai_stream *io,
struct snd_pcm_hw_params *params)
{
int chan = rsnd_runtime_channel_original(io);
int chan = rsnd_runtime_channel_original_with_params(io, params);
struct rsnd_mod *ctu_mod = rsnd_io_to_mod_ctu(io);
if (ctu_mod) {
......@@ -219,12 +230,13 @@ int rsnd_runtime_channel_after_ctu(struct rsnd_dai_stream *io)
return chan;
}
int rsnd_runtime_channel_for_ssi(struct rsnd_dai_stream *io)
int rsnd_runtime_channel_for_ssi_with_params(struct rsnd_dai_stream *io,
struct snd_pcm_hw_params *params)
{
struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
int chan = rsnd_io_is_play(io) ?
rsnd_runtime_channel_after_ctu(io) :
rsnd_runtime_channel_original(io);
rsnd_runtime_channel_after_ctu_with_params(io, params) :
rsnd_runtime_channel_original_with_params(io, params);
/* Use Multi SSI */
if (rsnd_runtime_is_ssi_multi(io))
......@@ -262,10 +274,10 @@ u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io)
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
struct device *dev = rsnd_priv_to_dev(priv);
switch (runtime->sample_bits) {
switch (snd_pcm_format_width(runtime->format)) {
case 16:
return 8 << 16;
case 32:
case 24:
return 0 << 16;
}
......@@ -282,11 +294,12 @@ u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io)
struct rsnd_mod *ssiu = rsnd_io_to_mod_ssiu(io);
struct rsnd_mod *target;
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
u32 val = 0x76543210;
u32 mask = ~0;
/*
* *Hardware* L/R and *Software* L/R are inverted.
* *Hardware* L/R and *Software* L/R are inverted for 16bit data.
* 31..16 15...0
* HW: [L ch] [R ch]
* SW: [R ch] [L ch]
* We need to care about inversion timing to control
* Playback/Capture correctly.
* The point is [DVC] needs *Hardware* L/R, [MEM] needs *Software* L/R
......@@ -313,27 +326,13 @@ u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io)
target = cmd ? cmd : ssiu;
}
mask <<= runtime->channels * 4;
val = val & mask;
switch (runtime->sample_bits) {
case 16:
val |= 0x67452301 & ~mask;
break;
case 32:
val |= 0x76543210 & ~mask;
break;
}
/*
* exchange channeles on SRC if possible,
* otherwise, R/L volume settings on DVC
* changes inverted channels
*/
if (mod == target)
return val;
else
/* Non target mod or 24bit data needs normal DALIGN */
if ((snd_pcm_format_width(runtime->format) != 16) ||
(mod != target))
return 0x76543210;
/* Target mod needs inverted DALIGN when 16bit */
else
return 0x67452301;
}
u32 rsnd_get_busif_shift(struct rsnd_dai_stream *io, struct rsnd_mod *mod)
......@@ -363,12 +362,8 @@ u32 rsnd_get_busif_shift(struct rsnd_dai_stream *io, struct rsnd_mod *mod)
* HW 24bit data is located as 0x******00
*
*/
switch (runtime->sample_bits) {
case 16:
if (snd_pcm_format_width(runtime->format) == 16)
return 0;
case 32:
break;
}
for (i = 0; i < ARRAY_SIZE(playback_mods); i++) {
tmod = rsnd_io_to_mod(io, mods[i]);
......@@ -616,8 +611,6 @@ static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd,
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
rsnd_dai_stream_init(io, substream);
ret = rsnd_dai_call(init, io, priv);
if (ret < 0)
goto dai_trigger_end;
......@@ -639,7 +632,6 @@ static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd,
ret |= rsnd_dai_call(quit, io, priv);
rsnd_dai_stream_quit(io);
break;
default:
ret = -EINVAL;
......@@ -784,8 +776,9 @@ static int rsnd_soc_hw_rule(struct rsnd_priv *priv,
return snd_interval_refine(iv, &p);
}
static int rsnd_soc_hw_rule_rate(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
static int __rsnd_soc_hw_rule_rate(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule,
int is_play)
{
struct snd_interval *ic_ = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
struct snd_interval *ir = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
......@@ -793,25 +786,37 @@ static int rsnd_soc_hw_rule_rate(struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai = rule->private;
struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai);
struct rsnd_dai_stream *io = is_play ? &rdai->playback : &rdai->capture;
/*
* possible sampling rate limitation is same as
* 2ch if it supports multi ssi
* and same as 8ch if TDM 6ch (see rsnd_ssi_config_init())
*/
ic = *ic_;
if (1 < rsnd_rdai_ssi_lane_get(rdai)) {
ic.min = 2;
ic.max = 2;
}
ic.min =
ic.max = rsnd_runtime_channel_for_ssi_with_params(io, params);
return rsnd_soc_hw_rule(priv, rsnd_soc_hw_rate_list,
ARRAY_SIZE(rsnd_soc_hw_rate_list),
&ic, ir);
}
static int rsnd_soc_hw_rule_rate_playback(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
return __rsnd_soc_hw_rule_rate(params, rule, 1);
}
static int rsnd_soc_hw_rule_rate_capture(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
return __rsnd_soc_hw_rule_rate(params, rule, 0);
}
static int rsnd_soc_hw_rule_channels(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
static int __rsnd_soc_hw_rule_channels(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule,
int is_play)
{
struct snd_interval *ic_ = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
struct snd_interval *ir = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
......@@ -819,22 +824,34 @@ static int rsnd_soc_hw_rule_channels(struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai = rule->private;
struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai);
struct rsnd_dai_stream *io = is_play ? &rdai->playback : &rdai->capture;
/*
* possible sampling rate limitation is same as
* 2ch if it supports multi ssi
* and same as 8ch if TDM 6ch (see rsnd_ssi_config_init())
*/
ic = *ic_;
if (1 < rsnd_rdai_ssi_lane_get(rdai)) {
ic.min = 2;
ic.max = 2;
}
ic.min =
ic.max = rsnd_runtime_channel_for_ssi_with_params(io, params);
return rsnd_soc_hw_rule(priv, rsnd_soc_hw_channels_list,
ARRAY_SIZE(rsnd_soc_hw_channels_list),
ir, &ic);
}
static int rsnd_soc_hw_rule_channels_playback(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
return __rsnd_soc_hw_rule_channels(params, rule, 1);
}
static int rsnd_soc_hw_rule_channels_capture(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
return __rsnd_soc_hw_rule_channels(params, rule, 0);
}
static const struct snd_pcm_hardware rsnd_pcm_hardware = {
.info = SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_MMAP |
......@@ -859,6 +876,8 @@ static int rsnd_soc_dai_startup(struct snd_pcm_substream *substream,
int ret;
int i;
rsnd_dai_stream_init(io, substream);
/*
* Channel Limitation
* It depends on Platform design
......@@ -886,11 +905,17 @@ static int rsnd_soc_dai_startup(struct snd_pcm_substream *substream,
* It depends on Clock Master Mode
*/
if (rsnd_rdai_is_clk_master(rdai)) {
int is_play = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
rsnd_soc_hw_rule_rate, dai,
is_play ? rsnd_soc_hw_rule_rate_playback :
rsnd_soc_hw_rule_rate_capture,
dai,
SNDRV_PCM_HW_PARAM_CHANNELS, -1);
snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
rsnd_soc_hw_rule_channels, dai,
is_play ? rsnd_soc_hw_rule_channels_playback :
rsnd_soc_hw_rule_channels_capture,
dai,
SNDRV_PCM_HW_PARAM_RATE, -1);
}
......@@ -915,6 +940,8 @@ static void rsnd_soc_dai_shutdown(struct snd_pcm_substream *substream,
* call rsnd_dai_call without spinlock
*/
rsnd_dai_call(nolock_stop, io, priv);
rsnd_dai_stream_quit(io);
}
static const struct snd_soc_dai_ops rsnd_soc_dai_ops = {
......@@ -990,7 +1017,7 @@ static struct device_node *rsnd_dai_of_node(struct rsnd_priv *priv,
static void __rsnd_dai_probe(struct rsnd_priv *priv,
struct device_node *dai_np,
int dai_i, int is_graph)
int dai_i)
{
struct device_node *playback, *capture;
struct rsnd_dai_stream *io_playback;
......@@ -1089,13 +1116,13 @@ static int rsnd_dai_probe(struct rsnd_priv *priv)
dai_i = 0;
if (is_graph) {
for_each_endpoint_of_node(dai_node, dai_np) {
__rsnd_dai_probe(priv, dai_np, dai_i, is_graph);
__rsnd_dai_probe(priv, dai_np, dai_i);
rsnd_ssi_parse_hdmi_connection(priv, dai_np, dai_i);
dai_i++;
}
} else {
for_each_child_of_node(dai_node, dai_np)
__rsnd_dai_probe(priv, dai_np, dai_i++, is_graph);
__rsnd_dai_probe(priv, dai_np, dai_i++);
}
return 0;
......@@ -1496,6 +1523,8 @@ static int rsnd_remove(struct platform_device *pdev)
};
int ret = 0, i;
snd_soc_disconnect_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
for_each_rsnd_dai(rdai, priv, i) {
......
sound/soc/sh/rcar/dma.c
View file @ 84d30623
......@@ -71,25 +71,7 @@ static struct rsnd_mod mem = {
static void __rsnd_dmaen_complete(struct rsnd_mod *mod,
struct rsnd_dai_stream *io)
{
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
bool elapsed = false;
unsigned long flags;
/*
* Renesas sound Gen1 needs 1 DMAC,
* Gen2 needs 2 DMAC.
* In Gen2 case, it are Audio-DMAC, and Audio-DMAC-peri-peri.
* But, Audio-DMAC-peri-peri doesn't have interrupt,
* and this driver is assuming that here.
*/
spin_lock_irqsave(&priv->lock, flags);
if (rsnd_io_is_working(io))
elapsed = true;
spin_unlock_irqrestore(&priv->lock, flags);
if (elapsed)
rsnd_dai_period_elapsed(io);
}
......
sound/soc/sh/rcar/rsnd.h
View file @ 84d30623
......@@ -399,9 +399,18 @@ void rsnd_parse_connect_common(struct rsnd_dai *rdai,
struct device_node *playback,
struct device_node *capture);
int rsnd_runtime_channel_original(struct rsnd_dai_stream *io);
int rsnd_runtime_channel_after_ctu(struct rsnd_dai_stream *io);
int rsnd_runtime_channel_for_ssi(struct rsnd_dai_stream *io);
#define rsnd_runtime_channel_original(io) \
rsnd_runtime_channel_original_with_params(io, NULL)
int rsnd_runtime_channel_original_with_params(struct rsnd_dai_stream *io,
struct snd_pcm_hw_params *params);
#define rsnd_runtime_channel_after_ctu(io) \
rsnd_runtime_channel_after_ctu_with_params(io, NULL)
int rsnd_runtime_channel_after_ctu_with_params(struct rsnd_dai_stream *io,
struct snd_pcm_hw_params *params);
#define rsnd_runtime_channel_for_ssi(io) \
rsnd_runtime_channel_for_ssi_with_params(io, NULL)
int rsnd_runtime_channel_for_ssi_with_params(struct rsnd_dai_stream *io,
struct snd_pcm_hw_params *params);
int rsnd_runtime_is_ssi_multi(struct rsnd_dai_stream *io);
int rsnd_runtime_is_ssi_tdm(struct rsnd_dai_stream *io);
......
sound/soc/sh/rcar/ssi.c
View file @ 84d30623
......@@ -79,8 +79,8 @@ struct rsnd_ssi {
int irq;
unsigned int usrcnt;
/* for PIO */
int byte_pos;
int period_pos;
int byte_per_period;
int next_period_byte;
};
......@@ -371,11 +371,11 @@ static void rsnd_ssi_config_init(struct rsnd_mod *mod,
if (rsnd_io_is_play(io))
cr_own |= TRMD;
switch (runtime->sample_bits) {
switch (snd_pcm_format_width(runtime->format)) {
case 16:
cr_own |= DWL_16;
break;
case 32:
case 24:
cr_own |= DWL_24;
break;
}
......@@ -414,63 +414,6 @@ static void rsnd_ssi_register_setup(struct rsnd_mod *mod)
ssi->cr_en);
}
static void rsnd_ssi_pointer_init(struct rsnd_mod *mod,
struct rsnd_dai_stream *io)
{
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
ssi->byte_pos = 0;
ssi->period_pos = 0;
ssi->byte_per_period = runtime->period_size *
runtime->channels *
samples_to_bytes(runtime, 1);
ssi->next_period_byte = ssi->byte_per_period;
}
static int rsnd_ssi_pointer_offset(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
int additional)
{
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
int pos = ssi->byte_pos + additional;
pos %= (runtime->periods * ssi->byte_per_period);
return pos;
}
static bool rsnd_ssi_pointer_update(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
int byte)
{
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
bool ret = false;
int byte_pos;
byte_pos = ssi->byte_pos + byte;
if (byte_pos >= ssi->next_period_byte) {
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
ssi->period_pos++;
ssi->next_period_byte += ssi->byte_per_period;
if (ssi->period_pos >= runtime->periods) {
byte_pos = 0;
ssi->period_pos = 0;
ssi->next_period_byte = ssi->byte_per_period;
}
ret = true;
}
WRITE_ONCE(ssi->byte_pos, byte_pos);
return ret;
}
/*
* SSI mod common functions
*/
......@@ -484,8 +427,6 @@ static int rsnd_ssi_init(struct rsnd_mod *mod,
if (!rsnd_ssi_is_run_mods(mod, io))
return 0;
rsnd_ssi_pointer_init(mod, io);
ssi->usrcnt++;
rsnd_mod_power_on(mod);
......@@ -656,6 +597,8 @@ static int rsnd_ssi_irq(struct rsnd_mod *mod,
return 0;
}
static bool rsnd_ssi_pio_interrupt(struct rsnd_mod *mod,
struct rsnd_dai_stream *io);
static void __rsnd_ssi_interrupt(struct rsnd_mod *mod,
struct rsnd_dai_stream *io)
{
......@@ -674,30 +617,8 @@ static void __rsnd_ssi_interrupt(struct rsnd_mod *mod,
status = rsnd_ssi_status_get(mod);
/* PIO only */
if (!is_dma && (status & DIRQ)) {
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
u32 *buf = (u32 *)(runtime->dma_area +
rsnd_ssi_pointer_offset(mod, io, 0));
int shift = 0;
switch (runtime->sample_bits) {
case 32:
shift = 8;
break;
}
/*
* 8/16/32 data can be assesse to TDR/RDR register
* directly as 32bit data
* see rsnd_ssi_init()
*/
if (rsnd_io_is_play(io))
rsnd_mod_write(mod, SSITDR, (*buf) << shift);
else
*buf = (rsnd_mod_read(mod, SSIRDR) >> shift);
elapsed = rsnd_ssi_pointer_update(mod, io, sizeof(*buf));
}
if (!is_dma && (status & DIRQ))
elapsed = rsnd_ssi_pio_interrupt(mod, io);
/* DMA only */
if (is_dma && (status & (UIRQ | OIRQ)))
......@@ -835,7 +756,71 @@ static int rsnd_ssi_common_remove(struct rsnd_mod *mod,
return 0;
}
static int rsnd_ssi_pointer(struct rsnd_mod *mod,
/*
* SSI PIO functions
*/
static bool rsnd_ssi_pio_interrupt(struct rsnd_mod *mod,
struct rsnd_dai_stream *io)
{
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
u32 *buf = (u32 *)(runtime->dma_area + ssi->byte_pos);
int shift = 0;
int byte_pos;
bool elapsed = false;
if (snd_pcm_format_width(runtime->format) == 24)
shift = 8;
/*
* 8/16/32 data can be assesse to TDR/RDR register
* directly as 32bit data
* see rsnd_ssi_init()
*/
if (rsnd_io_is_play(io))
rsnd_mod_write(mod, SSITDR, (*buf) << shift);
else
*buf = (rsnd_mod_read(mod, SSIRDR) >> shift);
byte_pos = ssi->byte_pos + sizeof(*buf);
if (byte_pos >= ssi->next_period_byte) {
int period_pos = byte_pos / ssi->byte_per_period;
if (period_pos >= runtime->periods) {
byte_pos = 0;
period_pos = 0;
}
ssi->next_period_byte = (period_pos + 1) * ssi->byte_per_period;
elapsed = true;
}
WRITE_ONCE(ssi->byte_pos, byte_pos);
return elapsed;
}
static int rsnd_ssi_pio_init(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
{
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
if (!rsnd_ssi_is_parent(mod, io)) {
ssi->byte_pos = 0;
ssi->byte_per_period = runtime->period_size *
runtime->channels *
samples_to_bytes(runtime, 1);
ssi->next_period_byte = ssi->byte_per_period;
}
return rsnd_ssi_init(mod, io, priv);
}
static int rsnd_ssi_pio_pointer(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
snd_pcm_uframes_t *pointer)
{
......@@ -851,12 +836,12 @@ static struct rsnd_mod_ops rsnd_ssi_pio_ops = {
.name = SSI_NAME,
.probe = rsnd_ssi_common_probe,
.remove = rsnd_ssi_common_remove,
.init = rsnd_ssi_init,
.init = rsnd_ssi_pio_init,
.quit = rsnd_ssi_quit,
.start = rsnd_ssi_start,
.stop = rsnd_ssi_stop,
.irq = rsnd_ssi_irq,
.pointer= rsnd_ssi_pointer,
.pointer = rsnd_ssi_pio_pointer,
.pcm_new = rsnd_ssi_pcm_new,
.hw_params = rsnd_ssi_hw_params,
};
......
sound/soc/soc-core.c
View file @ 84d30623
......@@ -1392,6 +1392,16 @@ static int soc_init_dai_link(struct snd_soc_card *card,
return 0;
}
void snd_soc_disconnect_sync(struct device *dev)
{
struct snd_soc_component *component = snd_soc_lookup_component(dev, NULL);
if (!component || !component->card)
return;
snd_card_disconnect_sync(component->card->snd_card);
}
/**
* snd_soc_add_dai_link - Add a DAI link dynamically
* @card: The ASoC card to which the DAI link is added
......
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