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    Subject[PATCH 3/8] regulator: introduce min_dropout_uv
    Date
    Linear voltage Regulators need a input voltage that is higher than the
    output voltage. Allow to specify a minimum dropout voltage which will
    be used later to find the best input voltage for regulators.

    Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
    ---
    include/linux/regulator/driver.h | 2 ++
    1 file changed, 2 insertions(+)

    diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
    index 4593222..a3815bd 100644
    --- a/include/linux/regulator/driver.h
    +++ b/include/linux/regulator/driver.h
    @@ -245,6 +245,7 @@ enum regulator_type {
    * @linear_min_sel: Minimal selector for starting linear mapping
    * @fixed_uV: Fixed voltage of rails.
    * @ramp_delay: Time to settle down after voltage change (unit: uV/us)
    + * @min_dropout_uv: The minimum dropout voltage this regulator can handle
    * @linear_ranges: A constant table of possible voltage ranges.
    * @n_linear_ranges: Number of entries in the @linear_ranges table.
    * @volt_table: Voltage mapping table (if table based mapping)
    @@ -292,6 +293,7 @@ struct regulator_desc {
    unsigned int linear_min_sel;
    int fixed_uV;
    unsigned int ramp_delay;
    + int min_dropout_uv;

    const struct regulator_linear_range *linear_ranges;
    int n_linear_ranges;
    --
    2.6.1


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