Heiko, On Tue, Sep 23, 2014 at 4:59 AM, Heiko Stuebner <he...@sntech.de> wrote: > From: Heiko Stuebner <heiko.stueb...@bq.com> > > Some gpio implementations return interesting values for gpio_get_value when > the value is not 0 - as seen on a imx6sl board. Therefore do not use the > value returned from gpio_get_value directly but simply check for 0 or not 0. > > Signed-off-by: Heiko Stuebner <heiko.stueb...@bq.com> > --- > drivers/power/gpio-charger.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/power/gpio-charger.c b/drivers/power/gpio-charger.c > index 22f084a..7d4eab2 100644 > --- a/drivers/power/gpio-charger.c > +++ b/drivers/power/gpio-charger.c > @@ -57,7 +57,7 @@ static int gpio_charger_get_property(struct power_supply > *psy, > > switch (psp) { > case POWER_SUPPLY_PROP_ONLINE: > - val->intval = gpio_get_value_cansleep(pdata->gpio); > + val->intval = !!gpio_get_value_cansleep(pdata->gpio); > val->intval ^= pdata->gpio_active_low;
...so I guess the interface is that gpio_active_low must be exactly 1 or 0. Oh, and that's actually defined in gpio-charger.h! I should have checked that before. Reviewed-by: Doug Anderson <diand...@chromium.org> Tested-by: Doug Anderson <diand...@chromium.org> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/