diff options
| author | Saquib Herman <saquib@ti.com> | 2011-04-01 06:52:46 +0200 |
|---|---|---|
| committer | Liam Girdwood <lrg@slimlogic.co.uk> | 2011-05-27 11:34:36 +0200 |
| commit | 1a39962fc4d1fccdf45fef2656b37acbae5fa793 (patch) | |
| tree | 969bf649d7eb2db1db20038002e935e5570ff9a6 /drivers/regulator | |
| parent | regulator: twl: add twl6030 get_status (diff) | |
| download | linux-1a39962fc4d1fccdf45fef2656b37acbae5fa793.tar.xz linux-1a39962fc4d1fccdf45fef2656b37acbae5fa793.zip | |
regulator: twl: add twl6030 set_mode
Current set_mode logic does not support 6030. The logic for 4030 is
not reusable for 6030 as the mode setting for 6030 now uses the new
CFG_STATE register. We hence rename the old get_status as being
specific to 4030.
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Saquib Herman <saquib@ti.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@vega.(none)>
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/twl-regulator.c | 42 |
1 files changed, 34 insertions, 8 deletions
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c index 2d4218ac8535..2a808c25f982 100644 --- a/drivers/regulator/twl-regulator.c +++ b/drivers/regulator/twl-regulator.c @@ -262,15 +262,12 @@ static int twl6030reg_get_status(struct regulator_dev *rdev) return REGULATOR_STATUS_OFF; } -static int twlreg_set_mode(struct regulator_dev *rdev, unsigned mode) +static int twl4030reg_set_mode(struct regulator_dev *rdev, unsigned mode) { struct twlreg_info *info = rdev_get_drvdata(rdev); unsigned message; int status; - if (twl_class_is_6030()) - return 0; /* FIXME return for 6030 regulator */ - /* We can only set the mode through state machine commands... */ switch (mode) { case REGULATOR_MODE_NORMAL: @@ -299,6 +296,35 @@ static int twlreg_set_mode(struct regulator_dev *rdev, unsigned mode) message & 0xff, TWL4030_PM_MASTER_PB_WORD_LSB); } +static int twl6030reg_set_mode(struct regulator_dev *rdev, unsigned mode) +{ + struct twlreg_info *info = rdev_get_drvdata(rdev); + int grp; + int val; + + grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP); + + if (grp < 0) + return grp; + + /* Compose the state register settings */ + val = grp << TWL6030_CFG_STATE_GRP_SHIFT; + /* We can only set the mode through state machine commands... */ + switch (mode) { + case REGULATOR_MODE_NORMAL: + val |= TWL6030_CFG_STATE_ON; + break; + case REGULATOR_MODE_STANDBY: + val |= TWL6030_CFG_STATE_SLEEP; + break; + + default: + return -EINVAL; + } + + return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, val); +} + /*----------------------------------------------------------------------*/ /* @@ -451,7 +477,7 @@ static struct regulator_ops twl4030ldo_ops = { .disable = twlreg_disable, .is_enabled = twl4030reg_is_enabled, - .set_mode = twlreg_set_mode, + .set_mode = twl4030reg_set_mode, .get_status = twl4030reg_get_status, }; @@ -509,7 +535,7 @@ static struct regulator_ops twl6030ldo_ops = { .disable = twlreg_disable, .is_enabled = twl6030reg_is_enabled, - .set_mode = twlreg_set_mode, + .set_mode = twl6030reg_set_mode, .get_status = twl6030reg_get_status, }; @@ -542,7 +568,7 @@ static struct regulator_ops twl4030fixed_ops = { .disable = twlreg_disable, .is_enabled = twl4030reg_is_enabled, - .set_mode = twlreg_set_mode, + .set_mode = twl4030reg_set_mode, .get_status = twl4030reg_get_status, }; @@ -556,7 +582,7 @@ static struct regulator_ops twl6030fixed_ops = { .disable = twlreg_disable, .is_enabled = twl6030reg_is_enabled, - .set_mode = twlreg_set_mode, + .set_mode = twl6030reg_set_mode, .get_status = twl6030reg_get_status, }; |