diff options
author | Mark Brown <broonie@kernel.org> | 2023-04-17 23:26:56 +0300 |
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committer | Mark Brown <broonie@kernel.org> | 2023-04-17 23:26:56 +0300 |
commit | 3a5e13eb151eaa7835e169c69cf38ced8724d1f2 (patch) | |
tree | 56a488f9370c54a351217ec535b8b7c3e0802485 /sound/soc/codecs/cs35l56.c | |
parent | 1c34890273a020d61d6127ade3f68ed1cb21c16a (diff) | |
parent | 9ed4c762e214a6592184d0dd65b6db86ad30e6d5 (diff) | |
download | linux-3a5e13eb151eaa7835e169c69cf38ced8724d1f2.tar.xz |
ASoC: cs35l56: Code improvements
Merge series from Richard Fitzgerald <rf@opensource.cirrus.com>:
Various code improvements. These remove redundant code and
clean up less-than-optimal original implementations.
Diffstat (limited to 'sound/soc/codecs/cs35l56.c')
-rw-r--r-- | sound/soc/codecs/cs35l56.c | 83 |
1 files changed, 31 insertions, 52 deletions
diff --git a/sound/soc/codecs/cs35l56.c b/sound/soc/codecs/cs35l56.c index 18e341744839..0f4a94b02ef8 100644 --- a/sound/soc/codecs/cs35l56.c +++ b/sound/soc/codecs/cs35l56.c @@ -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 @@ err_unlock: } 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 @@ err: 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 @@ post_soft_reset: } 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); |