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ASoC: cs35l56: Code improvements

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Merge series from Richard Fitzgerald <rf@opensource.cirrus.com>:

Various code improvements. These remove redundant code and
clean up less-than-optimal original implementations.
This commit is contained in:
Mark Brown
2023-04-17 21:26:56 +01:00
parent 1c34890273 9ed4c762e2
commit 3a5e13eb15
5 changed files with 38 additions and 60 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
sound/soc/codecs/cs35l56-i2c.c
View File

@@ -27,7 +27,6 @@ static int cs35l56_i2c_probe(struct i2c_client *client)
return -ENOMEM;
cs35l56->dev = dev;
cs35l56->irq = client->irq;
cs35l56->can_hibernate = true;
i2c_set_clientdata(client, cs35l56);
@@ -43,7 +42,7 @@ static int cs35l56_i2c_probe(struct i2c_client *client)
ret = cs35l56_init(cs35l56);
if (ret == 0)
ret = cs35l56_irq_request(cs35l56);
ret = cs35l56_irq_request(cs35l56, client->irq);
if (ret < 0)
cs35l56_remove(cs35l56);

4
sound/soc/codecs/cs35l56-sdw.c
View File

@@ -527,7 +527,9 @@ static int cs35l56_sdw_remove(struct sdw_slave *peripheral)
sdw_read_no_pm(peripheral, CS35L56_SDW_GEN_INT_STAT_1);
sdw_write_no_pm(peripheral, CS35L56_SDW_GEN_INT_STAT_1, 0xFF);
return cs35l56_remove(cs35l56);
cs35l56_remove(cs35l56);
return 0;
}
static const struct dev_pm_ops cs35l56_sdw_pm = {

3
sound/soc/codecs/cs35l56-spi.c
View File

@@ -32,7 +32,6 @@ static int cs35l56_spi_probe(struct spi_device *spi)
}
cs35l56->dev = &spi->dev;
cs35l56->irq = spi->irq;
ret = cs35l56_common_probe(cs35l56);
if (ret != 0)
@@ -40,7 +39,7 @@ static int cs35l56_spi_probe(struct spi_device *spi)
ret = cs35l56_init(cs35l56);
if (ret == 0)
ret = cs35l56_irq_request(cs35l56);
ret = cs35l56_irq_request(cs35l56, spi->irq);
if (ret < 0)
cs35l56_remove(cs35l56);

83
sound/soc/codecs/cs35l56.c
View File

@@ -51,21 +51,10 @@ static int cs35l56_mbox_send(struct cs35l56_private *cs35l56, unsigned int comma
return 0;
}
static int cs35l56_wait_dsp_ready(struct cs35l56_private *cs35l56)
static void cs35l56_wait_dsp_ready(struct cs35l56_private *cs35l56)
{
int ret;
if (!cs35l56->fw_patched) {
/* block until firmware download completes */
ret = wait_for_completion_timeout(&cs35l56->dsp_ready_completion,
msecs_to_jiffies(25000));
if (!ret) {
dev_err(cs35l56->dev, "dsp_ready_completion timeout\n");
return -ETIMEDOUT;
}
}
return 0;
/* Wait for patching to complete */
flush_work(&cs35l56->dsp_work);
}
static int cs35l56_dspwait_get_volsw(struct snd_kcontrol *kcontrol,
@@ -73,11 +62,8 @@ static int cs35l56_dspwait_get_volsw(struct snd_kcontrol *kcontrol,
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component);
int ret = cs35l56_wait_dsp_ready(cs35l56);
if (ret)
return ret;
cs35l56_wait_dsp_ready(cs35l56);
return snd_soc_get_volsw(kcontrol, ucontrol);
}
@@ -86,11 +72,8 @@ static int cs35l56_dspwait_put_volsw(struct snd_kcontrol *kcontrol,
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component);
int ret = cs35l56_wait_dsp_ready(cs35l56);
if (ret)
return ret;
cs35l56_wait_dsp_ready(cs35l56);
return snd_soc_put_volsw(kcontrol, ucontrol);
}
@@ -423,18 +406,19 @@ irqreturn_t cs35l56_irq(int irq, void *data)
}
EXPORT_SYMBOL_NS_GPL(cs35l56_irq, SND_SOC_CS35L56_CORE);
int cs35l56_irq_request(struct cs35l56_private *cs35l56)
int cs35l56_irq_request(struct cs35l56_private *cs35l56, int irq)
{
int ret;
if (!cs35l56->irq)
if (!irq)
return 0;
ret = devm_request_threaded_irq(cs35l56->dev, cs35l56->irq, NULL,
cs35l56_irq,
ret = devm_request_threaded_irq(cs35l56->dev, irq, NULL, cs35l56_irq,
IRQF_ONESHOT | IRQF_SHARED | IRQF_TRIGGER_LOW,
"cs35l56", cs35l56);
if (ret < 0)
if (!ret)
cs35l56->irq = irq;
else
dev_err(cs35l56->dev, "Failed to get IRQ: %d\n", ret);
return ret;
@@ -834,6 +818,12 @@ static int cs35l56_wait_for_firmware_boot(struct cs35l56_private *cs35l56)
return 0;
}
static inline void cs35l56_wait_min_reset_pulse(void)
{
/* Satisfy minimum reset pulse width spec */
usleep_range(CS35L56_RESET_PULSE_MIN_US, 2 * CS35L56_RESET_PULSE_MIN_US);
}
static const struct reg_sequence cs35l56_system_reset_seq[] = {
REG_SEQ0(CS35L56_DSP_VIRTUAL1_MBOX_1, CS35L56_MBOX_CMD_SYSTEM_RESET),
};
@@ -868,21 +858,14 @@ static void cs35l56_dsp_work(struct work_struct *work)
unsigned int val;
int ret = 0;
if (!cs35l56->init_done &&
!wait_for_completion_timeout(&cs35l56->init_completion,
msecs_to_jiffies(5000))) {
dev_err(cs35l56->dev, "%s: init_completion timed out\n", __func__);
goto complete;
}
if (!cs35l56->init_done)
goto complete;
return;
cs35l56->dsp.part = devm_kasprintf(cs35l56->dev, GFP_KERNEL, "cs35l56%s-%02x",
cs35l56->secured ? "s" : "", cs35l56->rev);
if (!cs35l56->dsp.part)
goto complete;
return;
pm_runtime_get_sync(cs35l56->dev);
@@ -961,9 +944,6 @@ static void cs35l56_dsp_work(struct work_struct *work)
sdw_write_no_pm(cs35l56->sdw_peripheral, CS35L56_SDW_GEN_INT_MASK_1,
CS35L56_SDW_INT_MASK_CODEC_IRQ);
}
complete:
complete_all(&cs35l56->dsp_ready_completion);
}
static int cs35l56_component_probe(struct snd_soc_component *component)
@@ -973,6 +953,12 @@ static int cs35l56_component_probe(struct snd_soc_component *component)
BUILD_BUG_ON(ARRAY_SIZE(cs35l56_tx_input_texts) != ARRAY_SIZE(cs35l56_tx_input_values));
if (!wait_for_completion_timeout(&cs35l56->init_completion,
msecs_to_jiffies(5000))) {
dev_err(cs35l56->dev, "%s: init_completion timed out\n", __func__);
return -ENODEV;
}
cs35l56->component = component;
wm_adsp2_component_probe(&cs35l56->dsp, component);
@@ -996,7 +982,6 @@ static int cs35l56_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component);
int ret = 0;
switch (level) {
case SND_SOC_BIAS_STANDBY:
@@ -1005,14 +990,14 @@ static int cs35l56_set_bias_level(struct snd_soc_component *component,
* BIAS_OFF to BIAS_STANDBY
*/
if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
ret = cs35l56_wait_dsp_ready(cs35l56);
cs35l56_wait_dsp_ready(cs35l56);
break;
default:
break;
}
return ret;
return 0;
}
static const struct snd_soc_component_driver soc_component_dev_cs35l56 = {
@@ -1235,7 +1220,7 @@ int cs35l56_system_suspend_late(struct device *dev)
*/
if (cs35l56->reset_gpio) {
gpiod_set_value_cansleep(cs35l56->reset_gpio, 0);
usleep_range(CS35L56_RESET_PULSE_MIN_US, CS35L56_RESET_PULSE_MIN_US + 400);
cs35l56_wait_min_reset_pulse();
}
regulator_bulk_disable(ARRAY_SIZE(cs35l56->supplies), cs35l56->supplies);
@@ -1288,7 +1273,7 @@ int cs35l56_system_resume_early(struct device *dev)
/* Ensure a spec-compliant RESET pulse. */
if (cs35l56->reset_gpio) {
gpiod_set_value_cansleep(cs35l56->reset_gpio, 0);
usleep_range(CS35L56_RESET_PULSE_MIN_US, CS35L56_RESET_PULSE_MIN_US + 400);
cs35l56_wait_min_reset_pulse();
}
/* Enable supplies before releasing RESET. */
@@ -1330,7 +1315,6 @@ int cs35l56_system_resume(struct device *dev)
return ret;
cs35l56->fw_patched = false;
init_completion(&cs35l56->dsp_ready_completion);
queue_work(cs35l56->dsp_wq, &cs35l56->dsp_work);
/*
@@ -1352,7 +1336,6 @@ static int cs35l56_dsp_init(struct cs35l56_private *cs35l56)
return -ENOMEM;
INIT_WORK(&cs35l56->dsp_work, cs35l56_dsp_work);
init_completion(&cs35l56->dsp_ready_completion);
dsp = &cs35l56->dsp;
dsp->part = "cs35l56";
@@ -1439,9 +1422,7 @@ int cs35l56_common_probe(struct cs35l56_private *cs35l56)
return dev_err_probe(cs35l56->dev, ret, "Failed to enable supplies\n");
if (cs35l56->reset_gpio) {
/* satisfy minimum reset pulse width spec */
usleep_range(CS35L56_RESET_PULSE_MIN_US,
CS35L56_RESET_PULSE_MIN_US + 400);
cs35l56_wait_min_reset_pulse();
gpiod_set_value_cansleep(cs35l56->reset_gpio, 1);
}
@@ -1609,7 +1590,7 @@ int cs35l56_init(struct cs35l56_private *cs35l56)
}
EXPORT_SYMBOL_NS_GPL(cs35l56_init, SND_SOC_CS35L56_CORE);
int cs35l56_remove(struct cs35l56_private *cs35l56)
void cs35l56_remove(struct cs35l56_private *cs35l56)
{
cs35l56->init_done = false;
@@ -1632,8 +1613,6 @@ int cs35l56_remove(struct cs35l56_private *cs35l56)
gpiod_set_value_cansleep(cs35l56->reset_gpio, 0);
regulator_bulk_disable(ARRAY_SIZE(cs35l56->supplies), cs35l56->supplies);
return 0;
}
EXPORT_SYMBOL_NS_GPL(cs35l56_remove, SND_SOC_CS35L56_CORE);

5
sound/soc/codecs/cs35l56.h
View File

@@ -34,7 +34,6 @@ struct cs35l56_private {
struct wm_adsp dsp; /* must be first member */
struct work_struct dsp_work;
struct workqueue_struct *dsp_wq;
struct completion dsp_ready_completion;
struct mutex irq_lock;
struct snd_soc_component *component;
struct device *dev;
@@ -74,9 +73,9 @@ int cs35l56_system_resume_no_irq(struct device *dev);
int cs35l56_system_resume_early(struct device *dev);
int cs35l56_system_resume(struct device *dev);
irqreturn_t cs35l56_irq(int irq, void *data);
int cs35l56_irq_request(struct cs35l56_private *cs35l56);
int cs35l56_irq_request(struct cs35l56_private *cs35l56, int irq);
int cs35l56_common_probe(struct cs35l56_private *cs35l56);
int cs35l56_init(struct cs35l56_private *cs35l56);
int cs35l56_remove(struct cs35l56_private *cs35l56);
void cs35l56_remove(struct cs35l56_private *cs35l56);
#endif /* ifndef CS35L56_H */