diff options
-rw-r--r-- | drivers/gpio/max732x.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpio/max732x.c b/drivers/gpio/max732x.c index 26ff40110d9f..9cad60f9e962 100644 --- a/drivers/gpio/max732x.c +++ b/drivers/gpio/max732x.c | |||
@@ -232,6 +232,13 @@ static int max732x_gpio_direction_input(struct gpio_chip *gc, unsigned off) | |||
232 | return -EACCES; | 232 | return -EACCES; |
233 | } | 233 | } |
234 | 234 | ||
235 | /* | ||
236 | * Open-drain pins must be set to high impedance (which is | ||
237 | * equivalent to output-high) to be turned into an input. | ||
238 | */ | ||
239 | if ((mask & chip->dir_output)) | ||
240 | max732x_gpio_set_value(gc, off, 1); | ||
241 | |||
235 | return 0; | 242 | return 0; |
236 | } | 243 | } |
237 | 244 | ||