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osd: need information whether current OSD is blanked or not [1/1]

Browse Source 
PD#SWPL-3254

Problem:
need information whether current OSD is blanked or not

Solution:
add sysfs node osd_status

Verify:
verified on u212

Change-Id: Ie73417f08c648a750a881af375800aae57a48762
Signed-off-by: Jian Cao <jian.cao@amlogic.com>
This commit is contained in:
Jian Cao
2018-12-17 14:19:16 +08:00
committed by Dongjin Kim
parent 500d68e3ca
commit dff6883f85
1 changed files with 13 additions and 0 deletions
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13
drivers/amlogic/media/osd/osd_fb.c
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@@ -3079,6 +3079,15 @@ static ssize_t store_osd_plane_alpha(
return count;
}
static ssize_t show_osd_status(struct device *device,
struct device_attribute *attr,
char *buf)
{
struct fb_info *fb_info = dev_get_drvdata(device);
return snprintf(buf, PAGE_SIZE, "osd[%d] enable: %d\n",
fb_info->node, osd_hw.enable[fb_info->node]);
}
static inline int str2lower(char *str)
{
@@ -3288,6 +3297,8 @@ static struct device_attribute osd_attrs[] = {
show_osd_dimm, store_osd_dimm),
__ATTR(osd_plane_alpha, 0644,
show_osd_plane_alpha, store_osd_plane_alpha),
__ATTR(osd_status, 0444,
show_osd_status, NULL),
};
@@ -3336,6 +3347,8 @@ static struct device_attribute osd_attrs_viu2[] = {
show_osd_afbc_format, store_osd_afbc_format),
__ATTR(osd_rotate, 0644,
show_osd_rotate, store_osd_rotate),
__ATTR(osd_status, 0444,
show_osd_status, NULL),
};
#ifdef CONFIG_PM