diff options
Diffstat (limited to 'drivers/auxdisplay')
| -rw-r--r-- | drivers/auxdisplay/cfag12864bfb.c | 1 | ||||
| -rw-r--r-- | drivers/auxdisplay/hd44780_common.c | 10 | ||||
| -rw-r--r-- | drivers/auxdisplay/ht16k33.c | 1 |
3 files changed, 9 insertions, 3 deletions
diff --git a/drivers/auxdisplay/cfag12864bfb.c b/drivers/auxdisplay/cfag12864bfb.c index c2cab7e2b126..729845bcc803 100644 --- a/drivers/auxdisplay/cfag12864bfb.c +++ b/drivers/auxdisplay/cfag12864bfb.c @@ -79,7 +79,6 @@ static int cfag12864bfb_probe(struct platform_device *device) info->var = cfag12864bfb_var; info->pseudo_palette = NULL; info->par = NULL; - info->flags = FBINFO_FLAG_DEFAULT; if (register_framebuffer(info) < 0) goto fballoced; diff --git a/drivers/auxdisplay/hd44780_common.c b/drivers/auxdisplay/hd44780_common.c index 3934c2eebf33..7cbf375b0fa5 100644 --- a/drivers/auxdisplay/hd44780_common.c +++ b/drivers/auxdisplay/hd44780_common.c @@ -82,7 +82,15 @@ int hd44780_common_clear_display(struct charlcd *lcd) hdc->write_cmd(hdc, LCD_CMD_DISPLAY_CLEAR); /* datasheet says to wait 1,64 milliseconds */ long_sleep(2); - return 0; + + /* + * The Hitachi HD44780 controller (and compatible ones) reset the DDRAM + * address when executing the DISPLAY_CLEAR command, thus the + * following call is not required. However, other controllers do not + * (e.g. NewHaven NHD-0220DZW-AG5), thus move the cursor to home + * unconditionally to support both. + */ + return hd44780_common_home(lcd); } EXPORT_SYMBOL_GPL(hd44780_common_clear_display); diff --git a/drivers/auxdisplay/ht16k33.c b/drivers/auxdisplay/ht16k33.c index 0c5cd5193fbf..3a2d88387224 100644 --- a/drivers/auxdisplay/ht16k33.c +++ b/drivers/auxdisplay/ht16k33.c @@ -646,7 +646,6 @@ static int ht16k33_fbdev_probe(struct device *dev, struct ht16k33_priv *priv, fbdev->info->var = ht16k33_fb_var; fbdev->info->bl_dev = bl; fbdev->info->pseudo_palette = NULL; - fbdev->info->flags = FBINFO_FLAG_DEFAULT; fbdev->info->par = priv; err = register_framebuffer(fbdev->info); |