dpms: handling extended DPMS modes

[platform/core/uifw/libtdm.git] / src / tdm_output.c

diff --git a/src/tdm_output.c b/src/tdm_output.c
index 9bcda3b..18f6db7 100644 (file)
--- a/src/tdm_output.c
+++ b/src/tdm_output.c
@@ -1153,6 +1153,19 @@ tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value)
        tdm_func_output *func_output;
        OUTPUT_FUNC_ENTRY();
 
+       if (dpms_value > TDM_OUTPUT_DPMS_OFF) {
+               if (dpms_value & TDM_OUTPUT_DPMS_DEFAULT_MASK) {
+                       TDM_ERR("Don't use the low-4bit for an extended DPMS mode: dpms_value(%x)", dpms_value);
+                       return TDM_ERROR_BAD_REQUEST;
+               }
+
+               if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_EXTENDED_DPMS)) {
+                       TDM_ERR("output(%d) doesn't support the extended DPMS control: '%s'",
+                                       private_output->pipe, tdm_dpms_str(dpms_value));
+                       return TDM_ERROR_BAD_REQUEST;
+               }
+       }
+
        _pthread_mutex_lock(&private_display->lock);
 
        if (private_output->waiting_dpms_change) {
@@ -1205,6 +1218,19 @@ tdm_output_set_dpms_async(tdm_output *output, tdm_output_dpms dpms_value)
                return TDM_ERROR_BAD_REQUEST;
        }
 
+       if (dpms_value > TDM_OUTPUT_DPMS_OFF) {
+               if (dpms_value & TDM_OUTPUT_DPMS_DEFAULT_MASK) {
+                       TDM_ERR("Don't use the low-4bit for an extended DPMS mode: dpms_value(%x)", dpms_value);
+                       return TDM_ERROR_BAD_REQUEST;
+               }
+
+               if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_EXTENDED_DPMS)) {
+                       TDM_ERR("output(%d) doesn't support the extended DPMS control: '%s'",
+                                       private_output->pipe, tdm_dpms_str(dpms_value));
+                       return TDM_ERROR_BAD_REQUEST;
+               }
+       }
+
        _pthread_mutex_lock(&private_display->lock);
 
        if (private_output->waiting_dpms_change) {