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authorAxel Lin <axel.lin@gmail.com>2012-03-28 03:00:36 -0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-04-01 06:59:39 -0400
commit4ca1e1d9e15b99529e55860677fe39b791b88920 (patch)
treebedfef763eca66559a92136ba419c10993ded1ba /drivers/regulator/88pm8607.c
parent53b6949ef3291778aa9f921985206fbfd95449d7 (diff)
regulator: Convert 88pm8607 to set_voltage_sel
Signed-off-by: Axel Lin <axel.lin@gmail.com> Tested-by: Jett Zhou <jtzhou@marvell.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator/88pm8607.c')
-rw-r--r--drivers/regulator/88pm8607.c43
1 files changed, 4 insertions, 39 deletions
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index 81b665909171..7fafff23ec43 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -223,51 +223,16 @@ static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
223 return ret; 223 return ret;
224} 224}
225 225
226static int choose_voltage(struct regulator_dev *rdev, int min_uV, int max_uV) 226static int pm8607_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
227{
228 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
229 int i, ret = -ENOENT;
230
231 if (info->slope_double) {
232 min_uV = min_uV >> 1;
233 max_uV = max_uV >> 1;
234 }
235 if (info->vol_table) {
236 for (i = 0; i < rdev->desc->n_voltages; i++) {
237 if (!info->vol_table[i])
238 break;
239 if ((min_uV <= info->vol_table[i])
240 && (max_uV >= info->vol_table[i])) {
241 ret = i;
242 break;
243 }
244 }
245 }
246 if (ret < 0)
247 pr_err("invalid voltage range (%d %d) uV\n", min_uV, max_uV);
248 return ret;
249}
250
251static int pm8607_set_voltage(struct regulator_dev *rdev,
252 int min_uV, int max_uV, unsigned *selector)
253{ 227{
254 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); 228 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
255 uint8_t val, mask; 229 uint8_t val, mask;
256 int ret; 230 int ret;
257 231
258 if (min_uV > max_uV) { 232 val = (uint8_t)(selector << info->vol_shift);
259 pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV);
260 return -EINVAL;
261 }
262
263 ret = choose_voltage(rdev, min_uV, max_uV);
264 if (ret < 0)
265 return -EINVAL;
266 *selector = ret;
267 val = (uint8_t)(ret << info->vol_shift);
268 mask = (rdev->desc->n_voltages - 1) << info->vol_shift; 233 mask = (rdev->desc->n_voltages - 1) << info->vol_shift;
269 234
270 ret = pm860x_set_bits(info->i2c, info->vol_reg, mask, val); 235 ret = pm860x_set_bits(info->i2c, info->vol_reg, mask, selector);
271 if (ret) 236 if (ret)
272 return ret; 237 return ret;
273 switch (info->desc.id) { 238 switch (info->desc.id) {
@@ -328,7 +293,7 @@ static int pm8607_is_enabled(struct regulator_dev *rdev)
328 293
329static struct regulator_ops pm8607_regulator_ops = { 294static struct regulator_ops pm8607_regulator_ops = {
330 .list_voltage = pm8607_list_voltage, 295 .list_voltage = pm8607_list_voltage,
331 .set_voltage = pm8607_set_voltage, 296 .set_voltage_sel = pm8607_set_voltage_sel,
332 .get_voltage = pm8607_get_voltage, 297 .get_voltage = pm8607_get_voltage,
333 .enable = pm8607_enable, 298 .enable = pm8607_enable,
334 .disable = pm8607_disable, 299 .disable = pm8607_disable,