diff options
| author | Renaud Barbier <renaud.barbier@abaco.com> | 2020-07-24 12:09:37 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-08-03 21:20:18 +0200 |
| commit | f9e7a605a8e1e6db11f62f2a9335c3775b44b220 (patch) | |
| tree | 6fb10ea6e42c25c9db8588696120c19f33daac5a /drivers | |
| parent | c667f8cc98a162ab5b10663fabf80821a69588f5 (diff) | |
| download | barebox-f9e7a605a8e1e6db11f62f2a9335c3775b44b220.tar.gz barebox-f9e7a605a8e1e6db11f62f2a9335c3775b44b220.tar.xz | |
gpio: get function returns masked register value
Unlike Linux the generic driver get function returns the masked register
content and not the 0 or 1 value. The consequence is that gpio_get_value
returns for instance 0x10 for bit 4 instead of 1.
Use the Linux normalized form instead.
Signed-off-by: Renaud Barbier <renaud.barbier@abaco.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpio/gpio-generic.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-generic.c b/drivers/gpio/gpio-generic.c index e4c4f39b62..2e0dad9974 100644 --- a/drivers/gpio/gpio-generic.c +++ b/drivers/gpio/gpio-generic.c @@ -62,7 +62,7 @@ static int bgpio_get(struct gpio_chip *gc, unsigned int gpio) { struct bgpio_chip *bgc = to_bgpio_chip(gc); - return bgc->read_reg(bgc->reg_dat) & bgc->pin2mask(bgc, gpio); + return !!(bgc->read_reg(bgc->reg_dat) & bgc->pin2mask(bgc, gpio)); } static void bgpio_set(struct gpio_chip *gc, unsigned int gpio, int val) |