dev/pmic/pm8x41/pm8x41_vib.c

/* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
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 *     with the distribution.
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 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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 */

#include <bits.h>
#include <pm8x41_hw.h>
#include <pm_vib.h>

#define QPNP_VIB_EN    BIT(7)

/* Turn on vibrator */
void pm_vib_turn_on(void)
{
	uint8_t val;

	val = pm8x41_reg_read(QPNP_VIB_VTG_CTL);
	val &= ~QPNP_VIB_VTG_SET_MASK;
	val |= (QPNP_VIB_DEFAULT_VTG_LVL & QPNP_VIB_VTG_SET_MASK);
	pm8x41_reg_write(QPNP_VIB_VTG_CTL, val);

	val = pm8x41_reg_read(QPNP_VIB_EN_CTL);
	val |= QPNP_VIB_EN;
	pm8x41_reg_write(QPNP_VIB_EN_CTL, val);
}

/* Turn off vibrator */
void pm_vib_turn_off(void)
{
	uint8_t val;

	val = pm8x41_reg_read(QPNP_VIB_EN_CTL);
	val &= ~QPNP_VIB_EN;
	pm8x41_reg_write(QPNP_VIB_EN_CTL, val);
}