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fb: Use dev_add_param_bool for enable parameter 

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2013-04-06 10:30:22 +02:00
parent f3b911c820
commit fb3fcaf2cc
2 changed files with 13 additions and 21 deletions
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33
drivers/video/fb.c
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@ -28,31 +28,22 @@ static int fb_ioctl(struct cdev* cdev, int req, void *data)
return 0; return 0;
} }
static int fb_enable_set(struct device_d *dev, struct param_d *param, static int fb_enable_set(struct param_d *param, void *priv)
const char *val)
{ {
struct fb_info *info = dev->priv; struct fb_info *info = priv;
int enable; int enable;
char *new;
if (!val) enable = info->p_enable;
return dev_param_set_generic(dev, param, NULL);
enable = simple_strtoul(val, NULL, 0); if (enable == info->enabled)
return 0;
if (enable) { if (enable)
if (!info->enabled) info->fbops->fb_enable(info);
info->fbops->fb_enable(info); else
new = "1"; info->fbops->fb_disable(info);
} else {
if (info->enabled)
info->fbops->fb_disable(info);
new = "0";
}
dev_param_set_generic(dev, param, new); info->enabled = enable;
info->enabled = !!enable;
return 0; return 0;
} }
@ -165,8 +156,8 @@ static int fb_probe(struct device_d *dev)
{ {
struct fb_info *info = dev->priv; struct fb_info *info = dev->priv;
dev_add_param(dev, "enable", fb_enable_set, NULL, 0); dev_add_param_bool(dev, "enable", fb_enable_set, NULL,
dev_set_param(dev, "enable", "0"); &info->p_enable, info);
if (info->num_modes && (info->mode_list != NULL) && if (info->num_modes && (info->mode_list != NULL) &&
(info->fbops->fb_activate_var != NULL)) { (info->fbops->fb_activate_var != NULL)) {

1
include/fb.h
View File

@ -102,6 +102,7 @@ struct fb_info {
struct fb_bitfield transp; /* transparency */ struct fb_bitfield transp; /* transparency */
int enabled; int enabled;
int p_enable;
}; };
int register_framebuffer(struct fb_info *info); int register_framebuffer(struct fb_info *info);