diff options
| author | David Collins <collinsd@codeaurora.org> | 2015-04-09 14:44:15 -0700 |
|---|---|---|
| committer | Rohit Vaswani <rvaswani@codeaurora.org> | 2016-03-01 12:22:36 -0800 |
| commit | 9fbac0b19d530ef9980e83f68c1ebb0a7cd9d9a3 (patch) | |
| tree | ee3278d55456d60c49ae9a62eac937389bc69a05 /include/linux | |
| parent | db58e9bdc318201eca4eb5a457a6d4ea8d1857b5 (diff) | |
regulator: core: add regulator_list_corner_voltage function
Introduce a regulator_list_corner_voltage function for consumers
that need to know the maximum absolute voltage that may be
physically configured when a regulator is operating at a given
voltage corner.
Change-Id: Ide7a0b502796774fcad01f5cb5679f0938c72f96
Signed-off-by: David Collins <collinsd@codeaurora.org>
[adharmap: fixed merge conflicts]
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
Conflicts:
include/linux/regulator/consumer.h
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/regulator/consumer.h | 6 | ||||
| -rw-r--r-- | include/linux/regulator/driver.h | 5 |
2 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index 7812e7fca3f8..734ae72d3c16 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -234,6 +234,7 @@ void regulator_bulk_free(int num_consumers, int regulator_can_change_voltage(struct regulator *regulator); int regulator_count_voltages(struct regulator *regulator); int regulator_list_voltage(struct regulator *regulator, unsigned selector); +int regulator_list_corner_voltage(struct regulator *regulator, int corner); int regulator_is_supported_voltage(struct regulator *regulator, int min_uV, int max_uV); unsigned int regulator_get_linear_step(struct regulator *regulator); @@ -566,6 +567,11 @@ static inline int regulator_list_voltage(struct regulator *regulator, unsigned s return -EINVAL; } +static inline int regulator_list_corner_voltage(struct regulator *regulator, + int corner) +{ + return -EINVAL; +} #endif static inline int regulator_set_voltage_triplet(struct regulator *regulator, diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index 2593c9a44787..72266ea83d82 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -88,6 +88,10 @@ struct regulator_linear_range { * if the selector indicates a voltage that is unusable on this system; * or negative errno. Selectors range from zero to one less than * regulator_desc.n_voltages. Voltages may be reported in any order. + * @list_corner_voltage: Return the maximum voltage in microvolts that + * that can be physically configured for the regulator when operating at + * the specified voltage corner or a negative errno if the corner value + * can't be used on this system. * * @set_current_limit: Configure a limit for a current-limited regulator. * The driver should select the current closest to max_uA. @@ -134,6 +138,7 @@ struct regulator_ops { /* enumerate supported voltages */ int (*list_voltage) (struct regulator_dev *, unsigned selector); + int (*list_corner_voltage)(struct regulator_dev *, int corner); /* get/set regulator voltage */ int (*set_voltage) (struct regulator_dev *, int min_uV, int max_uV, |