xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mfd: Make anatop register accessor more flexible and rename meaningfully

Browse Source 
- rename to anatop_read_reg and anatop_write_reg
 - anatop_read_reg directly return reg value
 - anatop_write_reg write reg with mask

Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Reviewed-by: Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Richard Zhao
2012-05-13 09:18:02 +08:00
committed by Samuel Ortiz
parent 08b4c118af
commit b09530ef84
3 changed files with 21 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/regulator/anatop-regulator.c
View File

@@ -47,7 +47,7 @@ static int anatop_set_voltage(struct regulator_dev *reg, int min_uV,
int max_uV, unsigned *selector)
{
struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg);
u32 val, sel;
u32 val, sel, mask;
int uv;
uv = min_uV;
@@ -71,11 +71,10 @@ static int anatop_set_voltage(struct regulator_dev *reg, int min_uV,
val = anatop_reg->min_bit_val + sel;
*selector = sel;
dev_dbg(&reg->dev, "%s: calculated val %d\n", __func__, val);
anatop_set_bits(anatop_reg->mfd,
anatop_reg->control_reg,
anatop_reg->vol_bit_shift,
anatop_reg->vol_bit_width,
val);
mask = ((1 << anatop_reg->vol_bit_width) - 1) <<
anatop_reg->vol_bit_shift;
val <<= anatop_reg->vol_bit_shift;
anatop_write_reg(anatop_reg->mfd, anatop_reg->control_reg, val, mask);
return 0;
}
@@ -88,10 +87,9 @@ static int anatop_get_voltage_sel(struct regulator_dev *reg)
if (!anatop_reg->control_reg)
return -ENOTSUPP;
val = anatop_get_bits(anatop_reg->mfd,
anatop_reg->control_reg,
anatop_reg->vol_bit_shift,
anatop_reg->vol_bit_width);
val = anatop_read_reg(anatop_reg->mfd, anatop_reg->control_reg);
val = (val & ((1 << anatop_reg->vol_bit_width) - 1)) >>
anatop_reg->vol_bit_shift;
return val - anatop_reg->min_bit_val;
}