> For testing purposes keep the output value when switching to input. > This allows us to manipulate the input value via the gpio command. > > Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
Reviewed-by: Philippe Reynes <philippe.rey...@softathome.com> > --- > v2: > new patch > --- > drivers/gpio/sandbox.c | 10 +++++++++- > 1 file changed, 9 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpio/sandbox.c b/drivers/gpio/sandbox.c > index c2f80472b8..eb2600de31 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; > } > -- > 2.28.0