diff options
Diffstat (limited to 'sound/soc/codecs/da7213.c')
| -rw-r--r-- | sound/soc/codecs/da7213.c | 45 |
1 files changed, 28 insertions, 17 deletions
diff --git a/sound/soc/codecs/da7213.c b/sound/soc/codecs/da7213.c index 0e5c527687a2..eb97ac73ec06 100644 --- a/sound/soc/codecs/da7213.c +++ b/sound/soc/codecs/da7213.c @@ -20,6 +20,7 @@ #include <sound/pcm.h> #include <sound/pcm_params.h> #include <linux/pm_runtime.h> +#include <linux/units.h> #include <sound/soc.h> #include <sound/initval.h> #include <sound/tlv.h> @@ -1555,7 +1556,11 @@ static int da7213_set_component_sysclk(struct snd_soc_component *component, if ((da7213->clk_src == clk_id) && (da7213->mclk_rate == freq)) return 0; - if (((freq < 5000000) && (freq != 32768)) || (freq > 54000000)) { + /* Maybe audio stream is closing. */ + if (freq == 0) + return 0; + + if (((freq < da7213->fin_min_rate) && (freq != 32768)) || (freq > 54000000)) { dev_err(component->dev, "Unsupported MCLK value %d\n", freq); return -EINVAL; @@ -1720,7 +1725,7 @@ static int da7213_set_component_pll(struct snd_soc_component *component, * SND_SOC_DAIFMT_CBC_CFC * SND_SOC_DAIFMT_CBP_CFP */ -static u64 da7213_dai_formats = +static const u64 da7213_dai_formats = SND_SOC_POSSIBLE_DAIFMT_I2S | SND_SOC_POSSIBLE_DAIFMT_LEFT_J | SND_SOC_POSSIBLE_DAIFMT_RIGHT_J | @@ -1854,11 +1859,14 @@ static int da7213_set_bias_level(struct snd_soc_component *component, return 0; } +#define DA7213_FIN_MIN_RATE (5 * MEGA) +#define DA7212_FIN_MIN_RATE (2 * MEGA) + #if defined(CONFIG_OF) /* DT */ static const struct of_device_id da7213_of_match[] = { - { .compatible = "dlg,da7212", }, - { .compatible = "dlg,da7213", }, + { .compatible = "dlg,da7212", .data = (void *)DA7212_FIN_MIN_RATE }, + { .compatible = "dlg,da7213", .data = (void *)DA7213_FIN_MIN_RATE }, { } }; MODULE_DEVICE_TABLE(of, da7213_of_match); @@ -1866,8 +1874,8 @@ MODULE_DEVICE_TABLE(of, da7213_of_match); #ifdef CONFIG_ACPI static const struct acpi_device_id da7213_acpi_match[] = { - { "DLGS7212", 0}, - { "DLGS7213", 0}, + { "DLGS7212", DA7212_FIN_MIN_RATE }, + { "DLGS7213", DA7213_FIN_MIN_RATE }, { }, }; MODULE_DEVICE_TABLE(acpi, da7213_acpi_match); @@ -2101,18 +2109,14 @@ static int da7213_probe(struct snd_soc_component *component) pm_runtime_put_sync(component->dev); /* Check if MCLK provided */ - da7213->mclk = devm_clk_get(component->dev, "mclk"); - if (IS_ERR(da7213->mclk)) { - if (PTR_ERR(da7213->mclk) != -ENOENT) - return PTR_ERR(da7213->mclk); - else - da7213->mclk = NULL; - } else { + da7213->mclk = devm_clk_get_optional(component->dev, "mclk"); + if (IS_ERR(da7213->mclk)) + return PTR_ERR(da7213->mclk); + if (da7213->mclk) /* Do automatic PLL handling assuming fixed clock until * set_pll() has been called. This makes the codec usable * with the simple-audio-card driver. */ da7213->fixed_clk_auto_pll = true; - } /* Default infinite tone gen, start/stop by Kcontrol */ snd_soc_component_write(component, DA7213_TONE_GEN_CYCLES, DA7213_BEEP_CYCLES_MASK); @@ -2140,6 +2144,7 @@ static const struct regmap_config da7213_regmap_config = { .reg_bits = 8, .val_bits = 8, + .max_register = DA7213_TONE_GEN_OFF_PER, .reg_defaults = da7213_reg_defaults, .num_reg_defaults = ARRAY_SIZE(da7213_reg_defaults), .volatile_reg = da7213_volatile_register, @@ -2166,6 +2171,10 @@ static int da7213_i2c_probe(struct i2c_client *i2c) if (!da7213) return -ENOMEM; + da7213->fin_min_rate = (uintptr_t)i2c_get_match_data(i2c); + if (!da7213->fin_min_rate) + return -EINVAL; + i2c_set_clientdata(i2c, da7213); /* Get required supplies */ @@ -2194,6 +2203,8 @@ static int da7213_i2c_probe(struct i2c_client *i2c) return ret; } + mutex_init(&da7213->ctrl_lock); + pm_runtime_set_autosuspend_delay(&i2c->dev, 100); pm_runtime_use_autosuspend(&i2c->dev); pm_runtime_set_active(&i2c->dev); @@ -2233,16 +2244,16 @@ static int __maybe_unused da7213_runtime_resume(struct device *dev) if (ret < 0) return ret; regcache_cache_only(da7213->regmap, false); - regcache_sync(da7213->regmap); - return 0; + return regcache_sync(da7213->regmap); } static const struct dev_pm_ops da7213_pm = { SET_RUNTIME_PM_OPS(da7213_runtime_suspend, da7213_runtime_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume) }; static const struct i2c_device_id da7213_i2c_id[] = { - { "da7213", 0 }, + { "da7213" }, { } }; MODULE_DEVICE_TABLE(i2c, da7213_i2c_id); |