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rk fb: send uevent when change video mode

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Signed-off-by: hjc <hjc@rock-chips.com>
This commit is contained in:
hjc
2015-04-13 11:54:36 +08:00
parent f51501b7bb
commit 27dce98214
1 changed files with 11 additions and 0 deletions
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11
drivers/video/rockchip/rk_fb.c
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@@ -3166,6 +3166,7 @@ int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
struct rk_lcdc_driver *dev_drv = NULL;
char name[6] = {0};
int i, win_id, load_screen = 0;
char *envp[3];
if (unlikely(!rk_fb) || unlikely(!screen))
return -ENODEV;
@@ -3192,6 +3193,16 @@ int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
return 0;
hdmi_switch_state = 0;
dev_drv->hdmi_switch = 1;
#ifdef CONFIG_SWITCH
envp[0] = "switch screen";
envp[1] = kmalloc(32, GFP_KERNEL);
if (envp[1] == NULL)
return 0;
sprintf(envp[1], "SCREEN=%d", screen->type);
envp[2] = NULL;
kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
kfree(envp[1]);
#endif
if ((rk_fb->disp_mode == ONE_DUAL) ||
(rk_fb->disp_mode == NO_DUAL)) {
if ((dev_drv->ops->backlight_close) &&