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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
commit 3a5e13eb15
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
5 changed files with 38 additions and 60 deletions
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3
sound/soc/codecs/cs35l56-i2c.c
View File

@ -27,7 +27,6 @@ static int cs35l56_i2c_probe(struct i2c_client *client)
return -ENOMEM; return -ENOMEM;
cs35l56->dev = dev; cs35l56->dev = dev;
cs35l56->irq = client->irq;
cs35l56->can_hibernate = true; cs35l56->can_hibernate = true;
i2c_set_clientdata(client, cs35l56); i2c_set_clientdata(client, cs35l56);
@ -43,7 +42,7 @@ static int cs35l56_i2c_probe(struct i2c_client *client)
ret = cs35l56_init(cs35l56); ret = cs35l56_init(cs35l56);
if (ret == 0) if (ret == 0)
ret = cs35l56_irq_request(cs35l56); ret = cs35l56_irq_request(cs35l56, client->irq);
if (ret < 0) if (ret < 0)
cs35l56_remove(cs35l56); 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_read_no_pm(peripheral, CS35L56_SDW_GEN_INT_STAT_1);
sdw_write_no_pm(peripheral, CS35L56_SDW_GEN_INT_STAT_1, 0xFF); 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 = { 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->dev = &spi->dev;
cs35l56->irq = spi->irq;
ret = cs35l56_common_probe(cs35l56); ret = cs35l56_common_probe(cs35l56);
if (ret != 0) if (ret != 0)
@ -40,7 +39,7 @@ static int cs35l56_spi_probe(struct spi_device *spi)
ret = cs35l56_init(cs35l56); ret = cs35l56_init(cs35l56);
if (ret == 0) if (ret == 0)
ret = cs35l56_irq_request(cs35l56); ret = cs35l56_irq_request(cs35l56, spi->irq);
if (ret < 0) if (ret < 0)
cs35l56_remove(cs35l56); 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; return 0;
} }
static int cs35l56_wait_dsp_ready(struct cs35l56_private *cs35l56) static void cs35l56_wait_dsp_ready(struct cs35l56_private *cs35l56)
{ {
int ret; /* Wait for patching to complete */
flush_work(&cs35l56->dsp_work);
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;
} }
static int cs35l56_dspwait_get_volsw(struct snd_kcontrol *kcontrol, 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 snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); 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); 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 snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); 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); return snd_soc_put_volsw(kcontrol, ucontrol);
} }
@ -423,18 +406,19 @@ err_unlock:
} }
EXPORT_SYMBOL_NS_GPL(cs35l56_irq, SND_SOC_CS35L56_CORE); 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; int ret;
if (!cs35l56->irq) if (!irq)
return 0; return 0;
ret = devm_request_threaded_irq(cs35l56->dev, cs35l56->irq, NULL, ret = devm_request_threaded_irq(cs35l56->dev, irq, NULL, cs35l56_irq,
cs35l56_irq,
IRQF_ONESHOT | IRQF_SHARED | IRQF_TRIGGER_LOW, IRQF_ONESHOT | IRQF_SHARED | IRQF_TRIGGER_LOW,
"cs35l56", cs35l56); "cs35l56", cs35l56);
if (ret < 0) if (!ret)
cs35l56->irq = irq;
else
dev_err(cs35l56->dev, "Failed to get IRQ: %d\n", ret); dev_err(cs35l56->dev, "Failed to get IRQ: %d\n", ret);
return ret; return ret;
@ -834,6 +818,12 @@ static int cs35l56_wait_for_firmware_boot(struct cs35l56_private *cs35l56)
return 0; 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[] = { static const struct reg_sequence cs35l56_system_reset_seq[] = {
REG_SEQ0(CS35L56_DSP_VIRTUAL1_MBOX_1, CS35L56_MBOX_CMD_SYSTEM_RESET), 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; unsigned int val;
int ret = 0; 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) if (!cs35l56->init_done)
goto complete; return;
cs35l56->dsp.part = devm_kasprintf(cs35l56->dev, GFP_KERNEL, "cs35l56%s-%02x", cs35l56->dsp.part = devm_kasprintf(cs35l56->dev, GFP_KERNEL, "cs35l56%s-%02x",
cs35l56->secured ? "s" : "", cs35l56->rev); cs35l56->secured ? "s" : "", cs35l56->rev);
if (!cs35l56->dsp.part) if (!cs35l56->dsp.part)
goto complete; return;
pm_runtime_get_sync(cs35l56->dev); pm_runtime_get_sync(cs35l56->dev);
@ -961,9 +944,6 @@ err:
sdw_write_no_pm(cs35l56->sdw_peripheral, CS35L56_SDW_GEN_INT_MASK_1, sdw_write_no_pm(cs35l56->sdw_peripheral, CS35L56_SDW_GEN_INT_MASK_1,
CS35L56_SDW_INT_MASK_CODEC_IRQ); CS35L56_SDW_INT_MASK_CODEC_IRQ);
} }
complete:
complete_all(&cs35l56->dsp_ready_completion);
} }
static int cs35l56_component_probe(struct snd_soc_component *component) 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)); 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; cs35l56->component = component;
wm_adsp2_component_probe(&cs35l56->dsp, 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) enum snd_soc_bias_level level)
{ {
struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component);
int ret = 0;
switch (level) { switch (level) {
case SND_SOC_BIAS_STANDBY: 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 * BIAS_OFF to BIAS_STANDBY
*/ */
if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
ret = cs35l56_wait_dsp_ready(cs35l56); cs35l56_wait_dsp_ready(cs35l56);
break; break;
default: default:
break; break;
} }
return ret; return 0;
} }
static const struct snd_soc_component_driver soc_component_dev_cs35l56 = { 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) { if (cs35l56->reset_gpio) {
gpiod_set_value_cansleep(cs35l56->reset_gpio, 0); 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); 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. */ /* Ensure a spec-compliant RESET pulse. */
if (cs35l56->reset_gpio) { if (cs35l56->reset_gpio) {
gpiod_set_value_cansleep(cs35l56->reset_gpio, 0); 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. */ /* Enable supplies before releasing RESET. */
@ -1330,7 +1315,6 @@ int cs35l56_system_resume(struct device *dev)
return ret; return ret;
cs35l56->fw_patched = false; cs35l56->fw_patched = false;
init_completion(&cs35l56->dsp_ready_completion);
queue_work(cs35l56->dsp_wq, &cs35l56->dsp_work); queue_work(cs35l56->dsp_wq, &cs35l56->dsp_work);
/* /*
@ -1352,7 +1336,6 @@ static int cs35l56_dsp_init(struct cs35l56_private *cs35l56)
return -ENOMEM; return -ENOMEM;
INIT_WORK(&cs35l56->dsp_work, cs35l56_dsp_work); INIT_WORK(&cs35l56->dsp_work, cs35l56_dsp_work);
init_completion(&cs35l56->dsp_ready_completion);
dsp = &cs35l56->dsp; dsp = &cs35l56->dsp;
dsp->part = "cs35l56"; 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"); return dev_err_probe(cs35l56->dev, ret, "Failed to enable supplies\n");
if (cs35l56->reset_gpio) { if (cs35l56->reset_gpio) {
/* satisfy minimum reset pulse width spec */ cs35l56_wait_min_reset_pulse();
usleep_range(CS35L56_RESET_PULSE_MIN_US,
CS35L56_RESET_PULSE_MIN_US + 400);
gpiod_set_value_cansleep(cs35l56->reset_gpio, 1); gpiod_set_value_cansleep(cs35l56->reset_gpio, 1);
} }
@ -1609,7 +1590,7 @@ post_soft_reset:
} }
EXPORT_SYMBOL_NS_GPL(cs35l56_init, SND_SOC_CS35L56_CORE); 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; cs35l56->init_done = false;
@ -1632,8 +1613,6 @@ int cs35l56_remove(struct cs35l56_private *cs35l56)
gpiod_set_value_cansleep(cs35l56->reset_gpio, 0); gpiod_set_value_cansleep(cs35l56->reset_gpio, 0);
regulator_bulk_disable(ARRAY_SIZE(cs35l56->supplies), cs35l56->supplies); regulator_bulk_disable(ARRAY_SIZE(cs35l56->supplies), cs35l56->supplies);
return 0;
} }
EXPORT_SYMBOL_NS_GPL(cs35l56_remove, SND_SOC_CS35L56_CORE); 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 wm_adsp dsp; /* must be first member */
struct work_struct dsp_work; struct work_struct dsp_work;
struct workqueue_struct *dsp_wq; struct workqueue_struct *dsp_wq;
struct completion dsp_ready_completion;
struct mutex irq_lock; struct mutex irq_lock;
struct snd_soc_component *component; struct snd_soc_component *component;
struct device *dev; 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_early(struct device *dev);
int cs35l56_system_resume(struct device *dev); int cs35l56_system_resume(struct device *dev);
irqreturn_t cs35l56_irq(int irq, void *data); 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_common_probe(struct cs35l56_private *cs35l56);
int cs35l56_init(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 */ #endif /* ifndef CS35L56_H */