diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2011-03-17 13:24:36 +0100 |
|---|---|---|
| committer | Nicolas Pitre <nicolas.pitre@linaro.org> | 2011-03-28 13:42:56 -0400 |
| commit | 0e45893ee8116e8e8133cd40dd25b314ccb92fa5 (patch) | |
| tree | 192c2b0432f0f3180e14eacbc495aadfc32a5140 /include/linux | |
| parent | a1e314027cfeecb6d78ae9818b7f91a43812acbe (diff) | |
regulator: add set_voltage_time_sel infrastructure
This makes it possible to set the stabilization time for voltage
regulators in the same manner as enable_time(). The interface
only supports regulators that implements fixed selectors.
Cc: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
(cherry picked from commit 77af1b2641faf45788a0d480db94082ebee931dc)
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/regulator/driver.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index b8ed16a33c4..6c433b89c80 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -63,7 +63,11 @@ enum regulator_status { * when running with the specified parameters. * * @enable_time: Time taken for the regulator voltage output voltage to - * stabalise after being enabled, in microseconds. + * stabilise after being enabled, in microseconds. + * @set_voltage_time_sel: Time taken for the regulator voltage output voltage + * to stabilise after being set to a new value, in microseconds. + * The function provides the from and to voltage selector, the + * function should return the worst case. * * @set_suspend_voltage: Set the voltage for the regulator when the system * is suspended. @@ -103,8 +107,11 @@ struct regulator_ops { int (*set_mode) (struct regulator_dev *, unsigned int mode); unsigned int (*get_mode) (struct regulator_dev *); - /* Time taken to enable the regulator */ + /* Time taken to enable or set voltage on the regulator */ int (*enable_time) (struct regulator_dev *); + int (*set_voltage_time_sel) (struct regulator_dev *, + unsigned int old_selector, + unsigned int new_selector); /* report regulator status ... most other accessors report * control inputs, this reports results of combining inputs |