diff options
Diffstat (limited to 'drivers/gpio/sandbox.c')
| -rw-r--r-- | drivers/gpio/sandbox.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpio/sandbox.c b/drivers/gpio/sandbox.c index c2f80472b83..eb2600de311 100644 --- a/drivers/gpio/sandbox.c +++ b/drivers/gpio/sandbox.c @@ -185,7 +185,15 @@ static int sb_gpio_set_dir_flags(struct udevice *dev, unsigned int offset, dir_flags = get_gpio_dir_flags(dev, offset); - *dir_flags = flags; + /* + * For testing purposes keep the output value when switching to input. + * This allows us to manipulate the input value via the gpio command. + */ + if (flags & GPIOD_IS_IN) + *dir_flags = (flags & ~GPIOD_IS_OUT_ACTIVE) | + (*dir_flags & GPIOD_IS_OUT_ACTIVE); + else + *dir_flags = flags; return 0; } |