ssd16xx: Enforce a full refresh on first write in case NO_BLANK_ON_INIT

xingrz · Aug 18, 2023 · d5974e8 · d5974e8
1 parent 6616586
commit d5974e8
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/config/drivers/display/ssd16xx.c b/config/drivers/display/ssd16xx.c
@@ -457,7 +457,12 @@ static int ssd16xx_write(const struct device *dev, const uint16_t x,
 	const struct ssd16xx_data *data = dev->data;
 	const bool have_partial_refresh =
 		config->profiles[SSD16XX_PROFILE_PARTIAL] != NULL;
+#ifdef CONFIG_HW75_SSD16XX_NO_BLANK_ON_INIT
+	const bool partial_refresh = data->controller_inited &&
+				     !data->blanking_on && have_partial_refresh;
+#else
 	const bool partial_refresh = !data->blanking_on && have_partial_refresh;
+#endif
 	const size_t buf_len = MIN(desc->buf_size,
 				   desc->height * desc->width / 8);
 	int err;