diff options
| -rw-r--r-- | drivers/regulator/lp8788-buck.c | 55 |
1 files changed, 12 insertions, 43 deletions
diff --git a/drivers/regulator/lp8788-buck.c b/drivers/regulator/lp8788-buck.c index 0c93a6a..ba3e0aa 100644 --- a/drivers/regulator/lp8788-buck.c +++ b/drivers/regulator/lp8788-buck.c @@ -69,6 +69,9 @@ #define PIN_HIGH 1 #define ENABLE_TIME_USEC 32 +#define BUCK_FPWM_MASK(x) (1 << (x)) +#define BUCK_FPWM_SHIFT(x) (x) + enum lp8788_dvs_state { DVS_LOW = GPIOF_OUT_INIT_LOW, DVS_HIGH = GPIOF_OUT_INIT_HIGH, @@ -86,15 +89,9 @@ enum lp8788_buck_id { BUCK4, }; -struct lp8788_pwm_map { - u8 mask; - u8 shift; -}; - struct lp8788_buck { struct lp8788 *lp; struct regulator_dev *regulator; - struct lp8788_pwm_map *pmap; void *dvs; }; @@ -106,29 +103,6 @@ static const int lp8788_buck_vtbl[] = { 1950000, 2000000, }; -/* buck pwm mode selection : used for set/get_mode in regulator ops - * @forced pwm : fast mode - * @auto pwm : normal mode - */ -static struct lp8788_pwm_map buck_pmap[] = { - [BUCK1] = { - .mask = LP8788_FPWM_BUCK1_M, - .shift = LP8788_FPWM_BUCK1_S, - }, - [BUCK2] = { - .mask = LP8788_FPWM_BUCK2_M, - .shift = LP8788_FPWM_BUCK2_S, - }, - [BUCK3] = { - .mask = LP8788_FPWM_BUCK3_M, - .shift = LP8788_FPWM_BUCK3_S, - }, - [BUCK4] = { - .mask = LP8788_FPWM_BUCK4_M, - .shift = LP8788_FPWM_BUCK4_S, - }, -}; - static const u8 buck1_vout_addr[] = { LP8788_BUCK1_VOUT0, LP8788_BUCK1_VOUT1, LP8788_BUCK1_VOUT2, LP8788_BUCK1_VOUT3, @@ -347,41 +321,37 @@ static int lp8788_buck_enable_time(struct regulator_dev *rdev) static int lp8788_buck_set_mode(struct regulator_dev *rdev, unsigned int mode) { struct lp8788_buck *buck = rdev_get_drvdata(rdev); - struct lp8788_pwm_map *pmap = buck->pmap; - u8 val; - - if (!pmap) - return -EINVAL; + enum lp8788_buck_id id = rdev_get_id(rdev); + u8 mask, val; + mask = BUCK_FPWM_MASK(id); switch (mode) { case REGULATOR_MODE_FAST: - val = LP8788_FORCE_PWM << pmap->shift; + val = LP8788_FORCE_PWM << BUCK_FPWM_SHIFT(id); break; case REGULATOR_MODE_NORMAL: - val = LP8788_AUTO_PWM << pmap->shift; + val = LP8788_AUTO_PWM << BUCK_FPWM_SHIFT(id); break; default: return -EINVAL; } - return lp8788_update_bits(buck->lp, LP8788_BUCK_PWM, pmap->mask, val); + return lp8788_update_bits(buck->lp, LP8788_BUCK_PWM, mask, val); } static unsigned int lp8788_buck_get_mode(struct regulator_dev *rdev) { struct lp8788_buck *buck = rdev_get_drvdata(rdev); - struct lp8788_pwm_map *pmap = buck->pmap; + enum lp8788_buck_id id = rdev_get_id(rdev); u8 val; int ret; - if (!pmap) - return -EINVAL; - ret = lp8788_read_byte(buck->lp, LP8788_BUCK_PWM, &val); if (ret) return ret; - return val & pmap->mask ? REGULATOR_MODE_FAST : REGULATOR_MODE_NORMAL; + return val & BUCK_FPWM_MASK(id) ? + REGULATOR_MODE_FAST : REGULATOR_MODE_NORMAL; } static struct regulator_ops lp8788_buck12_ops = { @@ -548,7 +518,6 @@ static __devinit int lp8788_buck_probe(struct platform_device *pdev) return -ENOMEM; buck->lp = lp; - buck->pmap = &buck_pmap[id]; ret = lp8788_init_dvs(buck, id); if (ret) |