return TDM_ERROR_NONE when dpms state is already set.

Change-Id: Ia5bcb4eb87fda95d000a59fc44af6bf2273a4024

diff --git a/src/libhal-backend-tdm-exynos-deconfb/tdm_exynos_display.c b/src/libhal-backend-tdm-exynos-deconfb/tdm_exynos_display.c
index 6265ead3e760e561c6770a6cfe9c09f2771b0723..041a9f725aea65226966479558a38b191f113fed 100644 (file)
--- a/src/libhal-backend-tdm-exynos-deconfb/tdm_exynos_display.c
+++ b/src/libhal-backend-tdm-exynos-deconfb/tdm_exynos_display.c
@@ -1466,7 +1466,7 @@ exynos_output_set_dpms(hal_tdm_output *output, hal_tdm_output_dpms dpms_value)
        TDM_BACKEND_INFO("dpms[%d -> %d]", output_data->dpms_value, dpms_value);
 
        if (output_data->dpms_value == dpms_value) {
-               ret = HAL_TDM_ERROR_OPERATION_FAILED;
+               ret = HAL_TDM_ERROR_NONE;
                goto out;
        }