regulator: Implement enable_time() for WM835x ISINKs (75c8ac22) · Commits · github.com / kvm-riscv / linux

drivers/regulator/wm8350-regulator.c

+46 −0

Original line number	Diff line number	Diff line
		@@ -290,6 +290,51 @@ static int wm8350_isink_is_enabled(struct regulator_dev *rdev)
		return -EINVAL;
		}

		static int wm8350_isink_enable_time(struct regulator_dev *rdev)
		{
		struct wm8350 *wm8350 = rdev_get_drvdata(rdev);
		int isink = rdev_get_id(rdev);
		int reg;

		switch (isink) {
		case WM8350_ISINK_A:
		reg = wm8350_reg_read(wm8350, WM8350_CSA_FLASH_CONTROL);
		break;
		case WM8350_ISINK_B:
		reg = wm8350_reg_read(wm8350, WM8350_CSB_FLASH_CONTROL);
		break;
		default:
		return -EINVAL;
		}

		if (reg & WM8350_CS1_FLASH_MODE) {
		switch (reg & WM8350_CS1_ON_RAMP_MASK) {
		case 0:
		return 0;
		case 1:
		return 1950;
		case 2:
		return 3910;
		case 3:
		return 7800;
		}
		} else {
		switch (reg & WM8350_CS1_ON_RAMP_MASK) {
		case 0:
		return 0;
		case 1:
		return 250000;
		case 2:
		return 500000;
		case 3:
		return 1000000;
		}
		}

		return -EINVAL;
		}


		int wm8350_isink_set_flash(struct wm8350 *wm8350, int isink, u16 mode,
		u16 trigger, u16 duration, u16 on_ramp, u16 off_ramp,
		u16 drive)
		@@ -1221,6 +1266,7 @@ static struct regulator_ops wm8350_isink_ops = {
		.enable = wm8350_isink_enable,
		.disable = wm8350_isink_disable,
		.is_enabled = wm8350_isink_is_enabled,
		.enable_time = wm8350_isink_enable_time,
		};

		static struct regulator_desc wm8350_reg[NUM_WM8350_REGULATORS] = {