C++ (Cpp) regmap_update_bits_check示例

示例#1

文件： extcon-arizona.c 项目： ARMWorks/FA_2451_Linux_Kernel

static void arizona_start_mic(struct arizona_extcon_info *info)
{
	struct arizona *arizona = info->arizona;
	bool change;
	int ret;

	info->detecting = true;
	info->mic = false;
	info->jack_flips = 0;

	/* Microphone detection can't use idle mode */
	pm_runtime_get(info->dev);

	ret = regulator_enable(info->micvdd);
	if (ret != 0) {
		dev_err(arizona->dev, "Failed to enable MICVDD: %d\n",
			ret);
	}

	if (info->micd_reva) {
		regmap_write(arizona->regmap, 0x80, 0x3);
		regmap_write(arizona->regmap, 0x294, 0);
		regmap_write(arizona->regmap, 0x80, 0x0);
	}

	regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1,
				 ARIZONA_MICD_ENA, ARIZONA_MICD_ENA,
				 &change);
	if (!change) {
		regulator_disable(info->micvdd);
		pm_runtime_put_autosuspend(info->dev);
	}
}

示例#2

文件： arizona.c 项目： 4pao/android_kernel_hardkernel_odroidxu3

static void arizona_disable_fll(struct arizona_fll *fll)
{
	struct arizona *arizona = fll->arizona;
	bool change;

	regmap_update_bits(arizona->regmap, fll->base + 1,
			   ARIZONA_FLL1_FREERUN, ARIZONA_FLL1_FREERUN);
	regmap_update_bits_check(arizona->regmap, fll->base + 1,
				 ARIZONA_FLL1_ENA, 0, &change);
	regmap_update_bits(arizona->regmap, fll->base + 0x11,
			   ARIZONA_FLL1_SYNC_ENA, 0);

	if (change)
		pm_runtime_put_autosuspend(arizona->dev);
}

示例#3

文件： extcon-arizona.c 项目： ARMWorks/FA_2451_Linux_Kernel

static void arizona_stop_mic(struct arizona_extcon_info *info)
{
	struct arizona *arizona = info->arizona;
	bool change;

	regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1,
				 ARIZONA_MICD_ENA, 0,
				 &change);

	if (info->micd_reva) {
		regmap_write(arizona->regmap, 0x80, 0x3);
		regmap_write(arizona->regmap, 0x294, 2);
		regmap_write(arizona->regmap, 0x80, 0x0);
	}

	if (change) {
		regulator_disable(info->micvdd);
		pm_runtime_put_autosuspend(info->dev);
	}
}