diff options
| author | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2020-09-14 13:50:55 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-10-14 18:16:34 +0300 |
| commit | 7cd96a47281145aca4f9c8960a0a2e185b8bd70c (patch) | |
| tree | ddbbed43a10c1a25a9c813cf6cc347e545b50524 /drivers/gpio | |
| parent | 39916bb45f9e233d6df8ee478c539b100116a34a (diff) | |
| download | u-boot-7cd96a47281145aca4f9c8960a0a2e185b8bd70c.tar.xz | |
drivers: gpio: keep output value for input on sandbox
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.glpk@gmx.de>
Reviewed-by: Philippe Reynes <philippe.reynes@softathome.com>
Diffstat (limited to 'drivers/gpio')
| -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 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; } |