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-rw-r--r--drivers/video/backlight/pwm_bl.c7
-rw-r--r--drivers/video/fbdev/au1200fb.c7
-rw-r--r--drivers/video/fbdev/controlfb.h2
-rw-r--r--drivers/video/fbdev/udlfb.c10
4 files changed, 17 insertions, 9 deletions
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index 12614006211e..d95ae092f154 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -79,14 +79,17 @@ static void pwm_backlight_power_off(struct pwm_bl_data *pb)
static int compute_duty_cycle(struct pwm_bl_data *pb, int brightness)
{
unsigned int lth = pb->lth_brightness;
- int duty_cycle;
+ u64 duty_cycle;
if (pb->levels)
duty_cycle = pb->levels[brightness];
else
duty_cycle = brightness;
- return (duty_cycle * (pb->period - lth) / pb->scale) + lth;
+ duty_cycle *= pb->period - lth;
+ do_div(duty_cycle, pb->scale);
+
+ return duty_cycle + lth;
}
static int pwm_backlight_update_status(struct backlight_device *bl)
diff --git a/drivers/video/fbdev/au1200fb.c b/drivers/video/fbdev/au1200fb.c
index 6c2b2ca4a909..44c2be15a08b 100644
--- a/drivers/video/fbdev/au1200fb.c
+++ b/drivers/video/fbdev/au1200fb.c
@@ -1681,8 +1681,10 @@ static int au1200fb_drv_probe(struct platform_device *dev)
fbi = framebuffer_alloc(sizeof(struct au1200fb_device),
&dev->dev);
- if (!fbi)
+ if (!fbi) {
+ ret = -ENOMEM;
goto failed;
+ }
_au1200fb_infos[plane] = fbi;
fbdev = fbi->par;
@@ -1700,7 +1702,8 @@ static int au1200fb_drv_probe(struct platform_device *dev)
if (!fbdev->fb_mem) {
print_err("fail to allocate frambuffer (size: %dK))",
fbdev->fb_len / 1024);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto failed;
}
/*
diff --git a/drivers/video/fbdev/controlfb.h b/drivers/video/fbdev/controlfb.h
index 6026c60fc100..261522fabdac 100644
--- a/drivers/video/fbdev/controlfb.h
+++ b/drivers/video/fbdev/controlfb.h
@@ -141,5 +141,7 @@ static struct max_cmodes control_mac_modes[] = {
{{ 1, 2}}, /* 1152x870, 75Hz */
{{ 0, 1}}, /* 1280x960, 75Hz */
{{ 0, 1}}, /* 1280x1024, 75Hz */
+ {{ 1, 2}}, /* 1152x768, 60Hz */
+ {{ 0, 1}}, /* 1600x1024, 60Hz */
};
diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c
index e9c2f7ba3c8e..53326badfb61 100644
--- a/drivers/video/fbdev/udlfb.c
+++ b/drivers/video/fbdev/udlfb.c
@@ -769,11 +769,11 @@ static int dlfb_get_edid(struct dlfb_data *dev, char *edid, int len)
for (i = 0; i < len; i++) {
ret = usb_control_msg(dev->udev,
- usb_rcvctrlpipe(dev->udev, 0), (0x02),
- (0x80 | (0x02 << 5)), i << 8, 0xA1, rbuf, 2,
- HZ);
- if (ret < 1) {
- pr_err("Read EDID byte %d failed err %x\n", i, ret);
+ usb_rcvctrlpipe(dev->udev, 0), 0x02,
+ (0x80 | (0x02 << 5)), i << 8, 0xA1,
+ rbuf, 2, USB_CTRL_GET_TIMEOUT);
+ if (ret < 2) {
+ pr_err("Read EDID byte %d failed: %d\n", i, ret);
i--;
break;
}