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linux-sg2042
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2 Commits

Author SHA1 Message Date
Axel Lin d8eb6fa7a9 regulator: st-pwm: Convert to get_voltage_sel 
Also remove test for selector in st_pwm_regulator_set_voltage_sel, the checking
is already done in .list_voltage.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
 2014-03-24 10:49:10 +00:00
Lee Jones 4a5d301328 regulator: Add new driver for ST's PWM controlled voltage regulators 
On some STMicroelectronics hardware reside regulators consisting
partly of a PWM input connected to the feedback loop. As the PWM
duty-cycle is varied the output voltage adapts. This driver
allows us to vary the output voltage by adapting the PWM input
duty-cycle.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
 2014-03-21 18:20:04 +00:00