diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c index dada04296025..3c63a3c04dbb 100644 --- a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c +++ b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c @@ -192,6 +192,34 @@ static void set_pin_free( service->busyness[id][en] = false; } +enum gpio_result dal_gpio_service_lock( + struct gpio_service *service, + enum gpio_id id, + uint32_t en) +{ + if (!service->busyness[id]) { + ASSERT_CRITICAL(false); + return GPIO_RESULT_OPEN_FAILED; + } + + set_pin_busy(service, id, en); + return GPIO_RESULT_OK; +} + +enum gpio_result dal_gpio_service_unlock( + struct gpio_service *service, + enum gpio_id id, + uint32_t en) +{ + if (!service->busyness[id]) { + ASSERT_CRITICAL(false); + return GPIO_RESULT_OPEN_FAILED; + } + + set_pin_free(service, id, en); + return GPIO_RESULT_OK; +} + enum gpio_result dal_gpio_service_open( struct gpio_service *service, enum gpio_id id, |