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authorNuno Sá2022-07-13 15:14:20 +0200
committerBartosz Golaszewski2022-07-19 10:24:10 +0200
commit6fd03f0248281b690e168a5a5c22cb3c98b96326 (patch)
tree1a7d877d0433905fd0c681d2c46879ac7a0b8880 /drivers/gpio
parent31bea23119cda87088c6bd4085a1e442c6c5974c (diff)
gpiolib: acpi: support bias pull disable
On top of looking at PULL_UP and PULL_DOWN flags, also look at PULL_DISABLE and set the appropriate GPIO flag. The GPIO core will then pass down this to controllers that support it. Signed-off-by: Nuno Sá <nuno.sa@analog.com> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpiolib-acpi.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index c2523ac26fac..9be1376f9a62 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -687,6 +687,9 @@ int acpi_gpio_update_gpiod_lookup_flags(unsigned long *lookupflags,
case ACPI_PIN_CONFIG_PULLDOWN:
*lookupflags |= GPIO_PULL_DOWN;
break;
+ case ACPI_PIN_CONFIG_NOPULL:
+ *lookupflags |= GPIO_PULL_DISABLE;
+ break;
default:
break;
}