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17 changes: 0 additions & 17 deletions drivers/soundwire/slave.c
Original file line number Diff line number Diff line change
Expand Up @@ -104,23 +104,6 @@ int sdw_slave_add(struct sdw_bus *bus,
}
EXPORT_SYMBOL(sdw_slave_add);

int sdw_slave_wait_for_initialization(struct sdw_slave *slave, unsigned int timeout)
{
unsigned long time;

time = wait_for_completion_timeout(&slave->initialization_complete,
msecs_to_jiffies(timeout));
if (!time) {
dev_err(&slave->dev, "%s: Initialization not complete, timed out\n", __func__);
sdw_show_ping_status(slave->bus, true);

return -ETIMEDOUT;
}

return 0;
}
EXPORT_SYMBOL(sdw_slave_wait_for_initialization);

#if IS_ENABLED(CONFIG_ACPI)

static bool find_slave(struct sdw_bus *bus,
Expand Down
1 change: 0 additions & 1 deletion include/linux/soundwire/sdw.h
Original file line number Diff line number Diff line change
Expand Up @@ -1087,7 +1087,6 @@ int sdw_stream_remove_slave(struct sdw_slave *slave,
struct sdw_stream_runtime *stream);

int sdw_slave_get_scale_index(struct sdw_slave *slave, u8 *base);
int sdw_slave_wait_for_initialization(struct sdw_slave *slave, unsigned int timeout);

/* messaging and data APIs */
int sdw_read(struct sdw_slave *slave, u32 addr);
Expand Down
32 changes: 12 additions & 20 deletions sound/soc/codecs/rt1017-sdca-sdw.c
Original file line number Diff line number Diff line change
Expand Up @@ -373,7 +373,6 @@ static int rt1017_sdca_update_status(struct sdw_slave *slave,
enum sdw_slave_status status)
{
struct rt1017_sdca_priv *rt1017 = dev_get_drvdata(&slave->dev);
int ret;

if (status == SDW_SLAVE_UNATTACHED)
rt1017->hw_init = false;
Expand All @@ -386,18 +385,7 @@ static int rt1017_sdca_update_status(struct sdw_slave *slave,
return 0;

/* perform I/O transfers required for Slave initialization */
ret = rt1017_sdca_io_init(&slave->dev, slave);
if (ret < 0) {
dev_err(&slave->dev, "IO init failed: %d\n", ret);
return ret;
}

if (slave->unattach_request) {
regcache_cache_only(rt1017->regmap, false);
regcache_sync(rt1017->regmap);
}

return ret;
return rt1017_sdca_io_init(&slave->dev, slave);
}

static const char * const rt1017_rx_data_ch_select[] = {
Expand Down Expand Up @@ -581,8 +569,6 @@ static void rt1017_sdca_shutdown(struct snd_pcm_substream *substream,
snd_soc_dai_set_dma_data(dai, substream, NULL);
}

#define RT1017_PROBE_TIMEOUT 5000

static int rt1017_sdca_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
Expand Down Expand Up @@ -630,10 +616,6 @@ static int rt1017_sdca_pcm_hw_params(struct snd_pcm_substream *substream,
params_rate(params), num_channels, snd_pcm_format_width(params_format(params)),
direction, ch_mask, port);

retval = sdw_slave_wait_for_initialization(rt1017->sdw_slave, RT1017_PROBE_TIMEOUT);
if (retval < 0)
return retval;

retval = sdw_stream_add_slave(rt1017->sdw_slave, &stream_config,
&port_config, 1, sdw_stream);
if (retval) {
Expand Down Expand Up @@ -788,18 +770,28 @@ static int rt1017_sdca_dev_suspend(struct device *dev)
return 0;
}

#define RT1017_PROBE_TIMEOUT 5000

static int rt1017_sdca_dev_resume(struct device *dev)
{
struct sdw_slave *slave = dev_to_sdw_dev(dev);
struct rt1017_sdca_priv *rt1017 = dev_get_drvdata(dev);
unsigned long time;

if (!rt1017->first_hw_init)
return 0;

if (!slave->unattach_request)
goto regmap_sync;

return 0;
time = wait_for_completion_timeout(&slave->initialization_complete,
msecs_to_jiffies(RT1017_PROBE_TIMEOUT));
if (!time) {
dev_err(&slave->dev, "Initialization not complete, timed out\n");
sdw_show_ping_status(slave->bus, true);

return -ETIMEDOUT;
}

regmap_sync:
slave->unattach_request = 0;
Expand Down
32 changes: 12 additions & 20 deletions sound/soc/codecs/rt1308-sdw.c
Original file line number Diff line number Diff line change
Expand Up @@ -303,7 +303,6 @@ static int rt1308_update_status(struct sdw_slave *slave,
enum sdw_slave_status status)
{
struct rt1308_sdw_priv *rt1308 = dev_get_drvdata(&slave->dev);
int ret;

if (status == SDW_SLAVE_UNATTACHED)
rt1308->hw_init = false;
Expand All @@ -316,18 +315,7 @@ static int rt1308_update_status(struct sdw_slave *slave,
return 0;

/* perform I/O transfers required for Slave initialization */
ret = rt1308_io_init(&slave->dev, slave);
if (ret < 0) {
dev_err(&slave->dev, "IO init failed %d\n", ret);
return ret;
}

if (slave->unattach_request) {
regcache_cache_only(rt1308->regmap, false);
regcache_sync_region(rt1308->regmap, 0xc000, 0xcfff);
}

return ret;
return rt1308_io_init(&slave->dev, slave);
}

static int rt1308_bus_config(struct sdw_slave *slave,
Expand Down Expand Up @@ -538,8 +526,6 @@ static int rt1308_sdw_set_tdm_slot(struct snd_soc_dai *dai,
return 0;
}

#define RT1308_PROBE_TIMEOUT 5000

static int rt1308_sdw_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
{
Expand Down Expand Up @@ -574,10 +560,6 @@ static int rt1308_sdw_hw_params(struct snd_pcm_substream *substream,
port_config.ch_mask = rt1308->rx_mask;
}

retval = sdw_slave_wait_for_initialization(rt1308->sdw_slave, RT1308_PROBE_TIMEOUT);
if (retval < 0)
return retval;

retval = sdw_stream_add_slave(rt1308->sdw_slave, &stream_config,
&port_config, 1, sdw_stream);
if (retval) {
Expand Down Expand Up @@ -783,18 +765,28 @@ static int rt1308_dev_suspend(struct device *dev)
return 0;
}

#define RT1308_PROBE_TIMEOUT 5000

static int rt1308_dev_resume(struct device *dev)
{
struct sdw_slave *slave = dev_to_sdw_dev(dev);
struct rt1308_sdw_priv *rt1308 = dev_get_drvdata(dev);
unsigned long time;

if (!rt1308->first_hw_init)
return 0;

if (!slave->unattach_request)
goto regmap_sync;

return 0;
time = wait_for_completion_timeout(&slave->initialization_complete,
msecs_to_jiffies(RT1308_PROBE_TIMEOUT));
if (!time) {
dev_err(&slave->dev, "Initialization not complete, timed out\n");
sdw_show_ping_status(slave->bus, true);

return -ETIMEDOUT;
}

regmap_sync:
slave->unattach_request = 0;
Expand Down
32 changes: 12 additions & 20 deletions sound/soc/codecs/rt1316-sdw.c
Original file line number Diff line number Diff line change
Expand Up @@ -313,7 +313,6 @@ static int rt1316_update_status(struct sdw_slave *slave,
enum sdw_slave_status status)
{
struct rt1316_sdw_priv *rt1316 = dev_get_drvdata(&slave->dev);
int ret;

if (status == SDW_SLAVE_UNATTACHED)
rt1316->hw_init = false;
Expand All @@ -326,18 +325,7 @@ static int rt1316_update_status(struct sdw_slave *slave,
return 0;

/* perform I/O transfers required for Slave initialization */
ret = rt1316_io_init(&slave->dev, slave);
if (ret < 0) {
dev_err(&slave->dev, "%s: I/O init failed: %d\n", __func__, ret);
return ret;
}

if (slave->unattach_request) {
regcache_cache_only(rt1316->regmap, false);
regcache_sync(rt1316->regmap);
}

return ret;
return rt1316_io_init(&slave->dev, slave);
}

static int rt1316_classd_event(struct snd_soc_dapm_widget *w,
Expand Down Expand Up @@ -517,8 +505,6 @@ static void rt1316_sdw_shutdown(struct snd_pcm_substream *substream,
snd_soc_dai_set_dma_data(dai, substream, NULL);
}

#define RT1316_PROBE_TIMEOUT 5000

static int rt1316_sdw_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
{
Expand Down Expand Up @@ -548,10 +534,6 @@ static int rt1316_sdw_hw_params(struct snd_pcm_substream *substream,
else
port_config.num = 2;

retval = sdw_slave_wait_for_initialization(rt1316->sdw_slave, RT1316_PROBE_TIMEOUT);
if (retval < 0)
return retval;

retval = sdw_stream_add_slave(rt1316->sdw_slave, &stream_config,
&port_config, 1, sdw_stream);
if (retval) {
Expand Down Expand Up @@ -760,18 +742,28 @@ static int rt1316_dev_suspend(struct device *dev)
return 0;
}

#define RT1316_PROBE_TIMEOUT 5000

static int rt1316_dev_resume(struct device *dev)
{
struct sdw_slave *slave = dev_to_sdw_dev(dev);
struct rt1316_sdw_priv *rt1316 = dev_get_drvdata(dev);
unsigned long time;

if (!rt1316->first_hw_init)
return 0;

if (!slave->unattach_request)
goto regmap_sync;

return 0;
time = wait_for_completion_timeout(&slave->initialization_complete,
msecs_to_jiffies(RT1316_PROBE_TIMEOUT));
if (!time) {
dev_err(&slave->dev, "%s: Initialization not complete, timed out\n", __func__);
sdw_show_ping_status(slave->bus, true);

return -ETIMEDOUT;
}

regmap_sync:
slave->unattach_request = 0;
Expand Down
30 changes: 10 additions & 20 deletions sound/soc/codecs/rt1318-sdw.c
Original file line number Diff line number Diff line change
Expand Up @@ -445,7 +445,6 @@ static int rt1318_update_status(struct sdw_slave *slave,
enum sdw_slave_status status)
{
struct rt1318_sdw_priv *rt1318 = dev_get_drvdata(&slave->dev);
int ret;

if (status == SDW_SLAVE_UNATTACHED)
rt1318->hw_init = false;
Expand All @@ -458,18 +457,7 @@ static int rt1318_update_status(struct sdw_slave *slave,
return 0;

/* perform I/O transfers required for Slave initialization */
ret = rt1318_io_init(&slave->dev, slave);
if (ret < 0) {
dev_err(&slave->dev, "%s: I/O init failed: %d\n", __func__, ret);
return ret;
}

if (slave->unattach_request) {
regcache_cache_only(rt1318->regmap, false);
regcache_sync(rt1318->regmap);
}

return ret;
return rt1318_io_init(&slave->dev, slave);
}

static int rt1318_classd_event(struct snd_soc_dapm_widget *w,
Expand Down Expand Up @@ -572,8 +560,6 @@ static void rt1318_sdw_shutdown(struct snd_pcm_substream *substream,
snd_soc_dai_set_dma_data(dai, substream, NULL);
}

#define RT1318_PROBE_TIMEOUT 5000

static int rt1318_sdw_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
{
Expand Down Expand Up @@ -617,10 +603,6 @@ static int rt1318_sdw_hw_params(struct snd_pcm_substream *substream,
port_config.ch_mask = ch_mask;
port_config.num = port;

retval = sdw_slave_wait_for_initialization(rt1318->sdw_slave, RT1318_PROBE_TIMEOUT);
if (retval < 0)
return retval;

retval = sdw_stream_add_slave(rt1318->sdw_slave, &stream_config,
&port_config, 1, sdw_stream);
if (retval) {
Expand Down Expand Up @@ -836,18 +818,26 @@ static int rt1318_dev_suspend(struct device *dev)
return 0;
}

#define RT1318_PROBE_TIMEOUT 5000

static int rt1318_dev_resume(struct device *dev)
{
struct sdw_slave *slave = dev_to_sdw_dev(dev);
struct rt1318_sdw_priv *rt1318 = dev_get_drvdata(dev);
unsigned long time;

if (!rt1318->first_hw_init)
return 0;

if (!slave->unattach_request)
goto regmap_sync;

return 0;
time = wait_for_completion_timeout(&slave->initialization_complete,
msecs_to_jiffies(RT1318_PROBE_TIMEOUT));
if (!time) {
dev_err(&slave->dev, "%s: Initialization not complete, timed out\n", __func__);
return -ETIMEDOUT;
}

regmap_sync:
slave->unattach_request = 0;
Expand Down
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