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3 Commits

Author SHA1 Message Date
Fabrice Gasnier be5295f8a1
regulator: stm32-vrefbuf: add power management support 
Add support for suspend/resume and runtime PM to stm32-vrefbuf driver.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
 2019-02-28 14:20:48 +00:00
Fabrice Gasnier f63248fac5
regulator: stm32-vrefbuf: fix check on ready flag 
stm32_vrefbuf_enable() wrongly checks VRR bit: 0 stands for not ready,
1 for ready. It currently checks the opposite.
This makes enable routine to exit immediately without waiting for ready
flag.

Fixes: 0cdbf481e9 ("regulator: Add support for stm32-vrefbuf")
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
 2018-02-08 15:28:35 +00:00
Fabrice Gasnier 0cdbf481e9 regulator: Add support for stm32-vrefbuf 
Add regulator driver for STM32 voltage reference buffer which can be
used as voltage reference for ADCs, DACs and external components through
dedicated VREF+ pin.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
 2017-08-30 18:28:35 +01:00