iio:adc:at91-sama5d2: fix vref_uv type

vref_uv has to be an int.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c
index ecb2d90c9c06d19536ce3400f15b38b4adb5b7be..f2d8bd5deac9ce47db013085e4166b46933fb6cf 100644 (file)
--- a/drivers/iio/adc/at91-sama5d2_adc.c
+++ b/drivers/iio/adc/at91-sama5d2_adc.c
@@ -171,7 +171,7 @@ struct at91_adc_state {
        struct clk                      *per_clk;
        struct regulator                *reg;
        struct regulator                *vref;
-       u32                             vref_uv;
+       int                             vref_uv;
        const struct iio_chan_spec      *chan;
        bool                            conversion_done;
        u32                             conversion_value;