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iio: adc: tsc2046: add vref support
authorOleksij Rempel <o.rempel@pengutronix.de>
Sun, 4 Sep 2022 10:02:02 +0000 (12:02 +0200)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Sun, 4 Sep 2022 13:55:03 +0000 (14:55 +0100)
commit089342babd49eb24cc7d9afd4c6f468485c6f1e2
treee55520d56235df761b5402d0edb62718c5ac2e28tree | snapshot
parentfa0d74cdd3698f13365e9a15a6b94c28eb8bdb6fcommit | diff
iio: adc: tsc2046: add vref support

If VREF pin is attached, we should use external VREF source instead of
the internal. Otherwise we will get wrong measurements on some of the channel
types.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220904100203.3614502-2-o.rempel@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
drivers/iio/adc/ti-tsc2046.c diff | blob | history
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