C++ regcache_mark_dirty函数代码示例

static int tegra30_ahub_suspend(struct device *dev)
{
	regcache_mark_dirty(ahub->regmap_ahub);
	regcache_mark_dirty(ahub->regmap_apbif);

	return 0;
}

static int ak4613_resume(struct snd_soc_codec *codec)
{
	struct regmap *regmap = dev_get_regmap(codec->dev, NULL);

	regcache_mark_dirty(regmap);
	return regcache_sync(regmap);
}

static int adau1977_power_disable(struct adau1977 *adau1977)
{
	int ret = 0;

	if (!adau1977->enabled)
		return 0;

	ret = regmap_update_bits(adau1977->regmap, ADAU1977_REG_POWER,
		ADAU1977_POWER_PWUP, 0);
	if (ret)
		return ret;

	regcache_mark_dirty(adau1977->regmap);

	if (adau1977->reset_gpio)
		gpiod_set_value_cansleep(adau1977->reset_gpio, 0);

	regcache_cache_only(adau1977->regmap, true);

	regulator_disable(adau1977->avdd_reg);
	if (adau1977->dvdd_reg)
		regulator_disable(adau1977->dvdd_reg);

	adau1977->enabled = false;

	return 0;
}

static int es8328_resume(struct snd_soc_codec *codec)
{
	struct regmap *regmap = dev_get_regmap(codec->dev, NULL);
	struct es8328_priv *es8328;
	int ret;

	es8328 = snd_soc_codec_get_drvdata(codec);

	ret = clk_prepare_enable(es8328->clk);
	if (ret) {
		dev_err(codec->dev, "unable to enable clock\n");
		return ret;
	}

	ret = regulator_bulk_enable(ARRAY_SIZE(es8328->supplies),
					es8328->supplies);
	if (ret) {
		dev_err(codec->dev, "unable to enable regulators\n");
		return ret;
	}

	regcache_mark_dirty(regmap);
	ret = regcache_sync(regmap);
	if (ret) {
		dev_err(codec->dev, "unable to sync regcache\n");
		return ret;
	}

	return 0;
}

static int uda134x_set_bias_level(struct snd_soc_codec *codec,
				  enum snd_soc_bias_level level)
{
	struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec);
	struct uda134x_platform_data *pd = uda134x->pd;
	pr_debug("%s bias level %d\n", __func__, level);

	switch (level) {
	case SND_SOC_BIAS_ON:
		break;
	case SND_SOC_BIAS_PREPARE:
		/* power on */
		if (pd->power) {
			pd->power(1);
			regcache_sync(uda134x->regmap);
		}
		break;
	case SND_SOC_BIAS_STANDBY:
		break;
	case SND_SOC_BIAS_OFF:
		/* power off */
		if (pd->power) {
			pd->power(0);
			regcache_mark_dirty(uda134x->regmap);
		}
		break;
	}
	return 0;
}

static int mt8183_afe_runtime_suspend(struct device *dev)
{
	struct mtk_base_afe *afe = dev_get_drvdata(dev);
	struct mt8183_afe_private *afe_priv = afe->platform_priv;
	unsigned int value;
	int ret;

	if (!afe->regmap || afe_priv->pm_runtime_bypass_reg_ctl)
		goto skip_regmap;

	/* disable AFE */
	regmap_update_bits(afe->regmap, AFE_DAC_CON0, AFE_ON_MASK_SFT, 0x0);

	ret = regmap_read_poll_timeout(afe->regmap,
				       AFE_DAC_MON,
				       value,
				       (value & AFE_ON_RETM_MASK_SFT) == 0,
				       20,
				       1 * 1000 * 1000);
	if (ret)
		dev_warn(afe->dev, "%s(), ret %d\n", __func__, ret);

	/* make sure all irq status are cleared, twice intended */
	regmap_update_bits(afe->regmap, AFE_IRQ_MCU_CLR, 0xffff, 0xffff);
	regmap_update_bits(afe->regmap, AFE_IRQ_MCU_CLR, 0xffff, 0xffff);

	/* cache only */
	regcache_cache_only(afe->regmap, true);
	regcache_mark_dirty(afe->regmap);

skip_regmap:
	return mt8183_afe_disable_clock(afe);
}

static int arizona_runtime_suspend(struct device *dev)
{
	struct arizona *arizona = dev_get_drvdata(dev);
	int ret;

	dev_dbg(arizona->dev, "Entering AoD mode\n");

	if (arizona->external_dcvdd) {
		ret = regmap_update_bits(arizona->regmap,
					 ARIZONA_ISOLATION_CONTROL,
					 ARIZONA_ISOLATE_DCVDD1,
					 ARIZONA_ISOLATE_DCVDD1);
		if (ret != 0) {
			dev_err(arizona->dev, "Failed to isolate DCVDD: %d\n",
				ret);
			return ret;
		}
	}

	regcache_cache_only(arizona->regmap, true);
	regcache_mark_dirty(arizona->regmap);
	regulator_disable(arizona->dcvdd);

	return 0;
}

static int ak4642_suspend(struct snd_soc_component *component)
{
	struct regmap *regmap = dev_get_regmap(component->dev, NULL);

	regcache_cache_only(regmap, true);
	regcache_mark_dirty(regmap);
	return 0;
}

static int ak4613_suspend(struct snd_soc_codec *codec)
{
	struct regmap *regmap = dev_get_regmap(codec->dev, NULL);

	regcache_cache_only(regmap, true);
	regcache_mark_dirty(regmap);
	return 0;
}

static int wm8988_suspend(struct snd_soc_codec *codec)
{
	struct wm8988_priv *wm8988 = snd_soc_codec_get_drvdata(codec);

	wm8988_set_bias_level(codec, SND_SOC_BIAS_OFF);
	regcache_mark_dirty(wm8988->regmap);
	return 0;
}

static int max98373_suspend(struct device *dev)
{
	struct max98373_priv *max98373 = dev_get_drvdata(dev);

	regcache_cache_only(max98373->regmap, true);
	regcache_mark_dirty(max98373->regmap);
	return 0;
}

static int tegra30_i2s_suspend(struct device *dev)
{
	struct tegra30_i2s *i2s = dev_get_drvdata(dev);

	regcache_mark_dirty(i2s->regmap);

	return 0;
}

static int stm32_i2s_suspend(struct device *dev)
{
	struct stm32_i2s_data *i2s = dev_get_drvdata(dev);

	regcache_cache_only(i2s->regmap, true);
	regcache_mark_dirty(i2s->regmap);

	return 0;
}

static int rt5616_suspend(struct snd_soc_codec *codec)
{
	struct rt5616_priv *rt5616 = snd_soc_codec_get_drvdata(codec);

	regcache_cache_only(rt5616->regmap, true);
	regcache_mark_dirty(rt5616->regmap);

	return 0;
}

static int fsl_asrc_suspend(struct device *dev)
{
	struct fsl_asrc *asrc_priv = dev_get_drvdata(dev);

	regcache_cache_only(asrc_priv->regmap, true);
	regcache_mark_dirty(asrc_priv->regmap);

	return 0;
}