C++ (Cpp) qpnp_vreg_masked_write Examples

Example #1

File: qpnp-regulator.c Project: DirtyDroidX/android_kernel_htc_m8ul

static int qpnp_regulator_vs_clear_ocp(struct qpnp_regulator *vreg)
{
	int rc;

	rc = qpnp_vreg_masked_write(vreg, QPNP_COMMON_REG_ENABLE,
		QPNP_COMMON_DISABLE, QPNP_COMMON_ENABLE_MASK,
		&vreg->ctrl_reg[QPNP_COMMON_IDX_ENABLE]);
	if (rc)
		vreg_err(vreg, "qpnp_vreg_masked_write failed, rc=%d\n", rc);

	vreg->vs_enable_time = ktime_get();

	rc = qpnp_vreg_masked_write(vreg, QPNP_COMMON_REG_ENABLE,
		QPNP_COMMON_ENABLE, QPNP_COMMON_ENABLE_MASK,
		&vreg->ctrl_reg[QPNP_COMMON_IDX_ENABLE]);
	if (rc)
		vreg_err(vreg, "qpnp_vreg_masked_write failed, rc=%d\n", rc);

	if (qpnp_vreg_debug_mask & QPNP_VREG_DEBUG_OCP) {
		pr_info("%s: switch state toggled after OCP event\n",
			vreg->rdesc.name);
	}

	return rc;
}

Example #2

File: qpnp-regulator.c Project: ian577416/linux_lg_jb

static int qpnp_regulator_common_set_mode(struct regulator_dev *rdev,
					unsigned int mode)
{
	struct qpnp_regulator *vreg = rdev_get_drvdata(rdev);
	int rc = 0;
	u8 val;

	if (mode != REGULATOR_MODE_NORMAL && mode != REGULATOR_MODE_IDLE) {
		vreg_err(vreg, "invalid mode: %u\n", mode);
		return -EINVAL;
	}

	val = (mode == REGULATOR_MODE_NORMAL ? QPNP_COMMON_MODE_HPM_MASK : 0);

	rc = qpnp_vreg_masked_write(vreg, QPNP_COMMON_REG_MODE, val,
		QPNP_COMMON_MODE_HPM_MASK,
		&vreg->ctrl_reg[QPNP_COMMON_IDX_MODE]);

	if (rc)
		vreg_err(vreg, "SPMI write failed, rc=%d\n", rc);
	else
		qpnp_vreg_show_state(rdev, QPNP_REGULATOR_ACTION_MODE);

	return rc;
}

Example #3

File: qpnp-regulator.c Project: ian577416/linux_lg_jb

static int qpnp_regulator_boost_set_voltage(struct regulator_dev *rdev,
		int min_uV, int max_uV, unsigned *selector)
{
	struct qpnp_regulator *vreg = rdev_get_drvdata(rdev);
	int rc, range_sel, voltage_sel;

	rc = qpnp_regulator_select_voltage(vreg, min_uV, max_uV, &range_sel,
		&voltage_sel);
	if (rc) {
		vreg_err(vreg, "could not set voltage, rc=%d\n", rc);
		return rc;
	}

	/*
	 * Boost type regulators do not have range select register so only
	 * voltage set register needs to be written.
	 */
	rc = qpnp_vreg_masked_write(vreg, QPNP_COMMON_REG_VOLTAGE_SET,
	       voltage_sel, 0xFF, &vreg->ctrl_reg[QPNP_COMMON_IDX_VOLTAGE_SET]);

	if (rc)
		vreg_err(vreg, "SPMI write failed, rc=%d\n", rc);
	else
		qpnp_vreg_show_state(rdev, QPNP_REGULATOR_ACTION_VOLTAGE);

	return rc;
}

Example #4

File: qpnp-regulator.c Project: ian577416/linux_lg_jb

/*
 * Perform a masked read-modify-write to a PMIC register only if the new value
 * differs from the value currently in the register.  This removes redundant
 * register writing.
 */
static int qpnp_vreg_masked_read_write(struct qpnp_regulator *vreg, u16 addr,
		u8 val, u8 mask)
{
	int rc;
	u8 reg;

	rc = qpnp_vreg_read(vreg, addr, &reg, 1);
	if (rc) {
		vreg_err(vreg, "read failed; addr=0x%03X, rc=%d\n", addr, rc);
		return rc;
	}

	return qpnp_vreg_masked_write(vreg, addr, val, mask, &reg);
}

Example #5

File: qpnp-regulator.c Project: ian577416/linux_lg_jb

static int qpnp_regulator_common_disable(struct regulator_dev *rdev)
{
	struct qpnp_regulator *vreg = rdev_get_drvdata(rdev);
	int rc;

	rc = qpnp_vreg_masked_write(vreg, QPNP_COMMON_REG_ENABLE,
		QPNP_COMMON_DISABLE, QPNP_COMMON_ENABLE_MASK,
		&vreg->ctrl_reg[QPNP_COMMON_IDX_ENABLE]);

	if (rc)
		vreg_err(vreg, "qpnp_vreg_masked_write failed, rc=%d\n", rc);
	else
		qpnp_vreg_show_state(rdev, QPNP_REGULATOR_ACTION_DISABLE);

	return rc;
}