Am Montag, 25. Juli 2016, 12:39:00 schrieb Guenter Roeck: > If the ADC is read for the first time, the caller gets a timeout error, > and the kernel log shows > > read channel() error: -110 > > The ADC may be enabled on boot, and needs to be explicitly disabled > for a read sequence to work (otherwise there is no completion interrupt). > Disaple it explicitly in the probe function. > > Fixes: 44d6f2ef94f9 ("iio: adc: add driver for Rockchip saradc") > Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> in my tests I hadn't notices that issue before, but that is likely because the bootloaders I had didn't enable the saradc. Anyway, that looks definitly sane, so Reviewed-by: Heiko Stuebner <heiko@xxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html