Staging: asus_oled: fix image processing

[pandora-kernel.git] / drivers / staging / asus_oled / asus_oled.c

diff --git a/drivers/staging/asus_oled/asus_oled.c b/drivers/staging/asus_oled/asus_oled.c
index 7bb7da7..8894bd5 100644 (file)
--- a/drivers/staging/asus_oled/asus_oled.c
+++ b/drivers/staging/asus_oled/asus_oled.c
@@ -355,7 +355,14 @@ static void send_data(struct asus_oled_dev *odev)
 
 static int append_values(struct asus_oled_dev *odev, uint8_t val, size_t count)
 {
-       while (count-- > 0 && val) {
+       odev->last_val = val;
+
+       if (val == 0) {
+               odev->buf_offs += count;
+               return 0;
+       }
+
+       while (count-- > 0) {
                size_t x = odev->buf_offs % odev->width;
                size_t y = odev->buf_offs / odev->width;
                size_t i;
@@ -406,7 +413,6 @@ static int append_values(struct asus_oled_dev *odev, uint8_t val, size_t count)
                        ;
                }
 
-               odev->last_val = val;
                odev->buf_offs++;
        }