iio: adc: stm32: Enable use of stm32 timer triggers

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STM32 ADC has external timer trigger sources. Use stm32 timer triggers
API (e.g. is_stm32_timer_trigger()) with local ADC lookup table to
validate a trigger can be used.
This also provides correct trigger selection value (e.g. extsel).

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

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Fabrice Gasnier 2017-01-26 15:28:30 +01:00 • committed by Jonathan Cameron

parent da9b948514

commit f24a33b3e2

2 changed files with 67 additions and 0 deletions

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2

drivers/iio/adc/Kconfig

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65

drivers/iio/adc/stm32-adc.c

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