diff options
Diffstat (limited to 'drivers/video/omap2/omapfb/omapfb-sysfs.c')
| -rw-r--r-- | drivers/video/omap2/omapfb/omapfb-sysfs.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/video/omap2/omapfb/omapfb-sysfs.c b/drivers/video/omap2/omapfb/omapfb-sysfs.c index 2f5e817b2a9..153bf1aceeb 100644 --- a/drivers/video/omap2/omapfb/omapfb-sysfs.c +++ b/drivers/video/omap2/omapfb/omapfb-sysfs.c @@ -518,6 +518,39 @@ static ssize_t show_virt(struct device *dev, return snprintf(buf, PAGE_SIZE, "%p\n", ofbi->region->vaddr); } +static ssize_t show_upd_mode(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct fb_info *fbi = dev_get_drvdata(dev); + enum omapfb_update_mode mode; + int r; + + r = omapfb_get_update_mode(fbi, &mode); + + if (r) + return r; + + return snprintf(buf, PAGE_SIZE, "%u\n", (unsigned)mode); +} + +static ssize_t store_upd_mode(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct fb_info *fbi = dev_get_drvdata(dev); + unsigned mode; + int r; + + r = kstrtouint(buf, 0, &mode); + if (r) + return r; + + r = omapfb_set_update_mode(fbi, mode); + if (r) + return r; + + return count; +} + static struct device_attribute omapfb_attrs[] = { __ATTR(rotate_type, S_IRUGO | S_IWUSR, show_rotate_type, store_rotate_type), @@ -528,6 +561,7 @@ static struct device_attribute omapfb_attrs[] = { store_overlays_rotate), __ATTR(phys_addr, S_IRUGO, show_phys, NULL), __ATTR(virt_addr, S_IRUGO, show_virt, NULL), + __ATTR(update_mode, S_IRUGO | S_IWUSR, show_upd_mode, store_upd_mode), }; int omapfb_create_sysfs(struct omapfb2_device *fbdev) |