display: Added double buffer screen info to display API

vanwinkeljan · nashif · commit 49ffca455390 · 2019-01-07T16:05:35.000-05:00
Extend display API screen info with double buffer enum entry.

Signed-off-by: Jan Van Winkel &lt;jan.van_winkel@dxplore.eu&gt;
diff --git a/drivers/display/ssd1673.c b/drivers/display/ssd1673.c
@@ -334,7 +334,8 @@ static void ssd1673_get_capabilities(const struct device *dev,
 	caps->current_pixel_format = PIXEL_FORMAT_MONO10;
 	caps->screen_info = SCREEN_INFO_MONO_VTILED |
 			    SCREEN_INFO_MONO_MSB_FIRST |
-			    SCREEN_INFO_EPD;
+			    SCREEN_INFO_EPD |
+			    SCREEN_INFO_DOUBLE_BUFFER;
 }
 
 static int ssd1673_set_orientation(const struct device *dev,
diff --git a/include/display.h b/include/display.h
@@ -49,6 +49,10 @@ enum display_screen_info {
 	 * Electrophoretic Display.
 	 */
 	SCREEN_INFO_EPD			= BIT(2),
+	/**
+	 * Screen has two alternating ram buffers
+	 */
+	SCREEN_INFO_DOUBLE_BUFFER	= BIT(3),
 };
 
 /**

Original file line number	Diff line number	Diff line change
`@@ -334,7 +334,8 @@ static void ssd1673_get_capabilities(const struct device *dev,`
`334`	`334`	`caps->current_pixel_format = PIXEL_FORMAT_MONO10;`
`335`	`335`	`caps->screen_info = SCREEN_INFO_MONO_VTILED \|`
`336`	`336`	`SCREEN_INFO_MONO_MSB_FIRST \|`
`337`		`- SCREEN_INFO_EPD;`
	`337`	`+ SCREEN_INFO_EPD \|`
	`338`	`+ SCREEN_INFO_DOUBLE_BUFFER;`
`338`	`339`	`}`
`339`	`340`
`340`	`341`	`static int ssd1673_set_orientation(const struct device *dev,`