diff options
| author | Axel Lin <axel.lin@gmail.com> | 2012-08-08 20:22:35 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-08-28 11:00:26 -0700 |
| commit | 4e1d67eddf70f815b77af5354aaa5e60084fde8b (patch) | |
| tree | fd24c00e7ac30de131eb1b31bb8fbe0cf522d4e7 /drivers/regulator/lp872x.c | |
| parent | 73f4f3d37604ff7084e6157745610c8fb07d27b6 (diff) | |
| download | linux-4e1d67eddf70f815b77af5354aaa5e60084fde8b.tar.bz2 | |
regulator: lp872x: set_current_limit should select the maximum current in specific range
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator/lp872x.c')
| -rw-r--r-- | drivers/regulator/lp872x.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/regulator/lp872x.c b/drivers/regulator/lp872x.c index 212c38eaba70..6199d0f6cca1 100644 --- a/drivers/regulator/lp872x.c +++ b/drivers/regulator/lp872x.c @@ -374,8 +374,8 @@ static int lp8725_buck_set_current_limit(struct regulator_dev *rdev, { struct lp872x *lp = rdev_get_drvdata(rdev); enum lp872x_regulator_id buck = rdev_get_id(rdev); - int i, max = ARRAY_SIZE(lp8725_buck_uA); - u8 addr, val; + int i; + u8 addr; switch (buck) { case LP8725_ID_BUCK1: @@ -388,17 +388,15 @@ static int lp8725_buck_set_current_limit(struct regulator_dev *rdev, return -EINVAL; } - for (i = 0 ; i < max ; i++) + for (i = ARRAY_SIZE(lp8725_buck_uA) - 1 ; i >= 0; i--) { if (lp8725_buck_uA[i] >= min_uA && lp8725_buck_uA[i] <= max_uA) - break; - - if (i == max) - return -EINVAL; - - val = i << LP8725_BUCK_CL_S; + return lp872x_update_bits(lp, addr, + LP8725_BUCK_CL_M, + i << LP8725_BUCK_CL_S); + } - return lp872x_update_bits(lp, addr, LP8725_BUCK_CL_M, val); + return -EINVAL; } static int lp8725_buck_get_current_limit(struct regulator_dev *rdev) |