iio: core: added support for IIO_VAL_INT

BugLink: https://bugs.launchpad.net/bugs/1676356
Added core support for IIO_VAL_INT in write_raw_get_fmt function.

Signed-off-by: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
(cherry picked from commit f47dff323088462e7b0ac52d1ba41ce953a5ce20)
Signed-off-by: Shrirang Bagul <shrirang.bagul@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>

diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 131b434af994ddf5a09c3e828b33baba58ef66cd..c172bbfe6348fefcee3a67dac30f933ffcaa01c0 100644 (file)
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -510,6 +510,12 @@ int iio_str_to_fixpoint(const char *str, int fract_mult,
        int i = 0, f = 0;
        bool integer_part = true, negative = false;
 
+       if (fract_mult == 0) {
+               *fract = 0;
+
+               return kstrtoint(str, 0, integer);
+       }
+
        if (str[0] == '-') {
                negative = true;
                str++;
@@ -569,6 +575,9 @@ static ssize_t iio_write_channel_info(struct device *dev,
        if (indio_dev->info->write_raw_get_fmt)
                switch (indio_dev->info->write_raw_get_fmt(indio_dev,
                        this_attr->c, this_attr->address)) {
+               case IIO_VAL_INT:
+                       fract_mult = 0;
+                       break;
                case IIO_VAL_INT_PLUS_MICRO:
                        fract_mult = 100000;
                        break;