small fix

4 files changed, 6 insertions, 5 deletions

diff --git a/drivers/lcd/ssd1289_lld.c b/drivers/lcd/ssd1289_lld.c
index 3fc48921..c5b2fd0f 100644
--- a/drivers/lcd/ssd1289_lld.c
+++ b/drivers/lcd/ssd1289_lld.c
@@ -415,9 +415,10 @@ uint16_t lld_lcdGetWidth(void) {
 }
 
 /* a positive lines value shifts the screen up, negative down */
-void lld_lcdVerticalScroll(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, int16_t lines) {
+void lld_lcdVerticalScroll(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t lines) {
 	uint16_t row0, row1;
 	uint16_t i;
+
 	lld_lcdSetWindow(x0, y0, x1, y1);
 
 	for(i = 0; i < ((y1-y0) - abs(lines)); i++) {
@@ -443,4 +444,4 @@ void lld_lcdVerticalScroll(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, i
 }
 
 #endif
-
+T
diff --git a/drivers/lcd/ssd1289_lld.h b/drivers/lcd/ssd1289_lld.h
index 16a9ef0d..bea4bedf 100644
--- a/drivers/lcd/ssd1289_lld.h
+++ b/drivers/lcd/ssd1289_lld.h
@@ -24,7 +24,7 @@ uint16_t lld_lcdGetPixelColor(uint16_t x, uint16_t y);
 uint16_t lld_lcdGetOrientation(void);
 uint16_t lld_lcdGetHeight(void);
 uint16_t lld_lcdGetWidth(void);
-void lld_lcdVerticalScroll(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, int16_t lines);
+void lld_lcdVerticalScroll(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t lines);
 
 #ifdef __cplusplus
 }
diff --git a/glcd/glcd.c b/glcd/glcd.c
index 87fd790b..a419b7f2 100644
--- a/glcd/glcd.c
+++ b/glcd/glcd.c
@@ -257,7 +257,7 @@ static void lcdWriteStream(uint16_t *buffer, uint16_t size) {
 	chMsgSend(workerThread, (msg_t)&msg);
 }
 
-void lcdVerticalScroll(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, int16_t lines) {
+void lcdVerticalScroll(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t lines) {
 	struct glcd_msg_vertical_scroll msg;
 
 	msg.action = GLCD_VERTICAL_SCROLL;
diff --git a/glcd/glcd.h b/glcd/glcd.h
index a80dc1b8..850d6f35 100644
--- a/glcd/glcd.h
+++ b/glcd/glcd.h
@@ -88,7 +88,7 @@ uint16_t lcdBGR2RGB(uint16_t color);
 uint16_t lcdGetPixelColor(uint16_t x, uint16_t y);
 
 /* Scrolling function */
-void lcdVerticalScroll(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, int16_t lines);
+void lcdVerticalScroll(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t lines);
 
 #ifdef __cplusplus
 }