Fixes a bug in the asus_oled driver where values of '0' and ' ' are ignored in
append_values. The bug was introduced in commit 1ff12a4aa.
Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
---
drivers/staging/asus_oled/asus_oled.c | 10 ++++++++--
1 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/asus_oled/asus_oled.c b/drivers/staging/asus_oled/asus_oled.c
index e77e4e0..96ce29e 100644
--- a/drivers/staging/asus_oled/asus_oled.c
+++ b/drivers/staging/asus_oled/asus_oled.c
@@ -355,7 +355,13 @@ 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) {
+ if (!val) {
+ odev->last_val = val;
+ 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;
@@ -534,7 +540,7 @@ static ssize_t odev_set_picture(struct asus_oled_dev *odev,
return -ENOMEM;
}
- memset(odev->buf, 0xff, odev->buf_size);
+ memset(odev->buf, 0x00, odev->buf_size);
odev->buf_offs = 0;
odev->width = w;
--
1.7.7.3
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