52 	struct mutex open_lock;  member
193 	mutex_lock(&(par->open_lock));  in i740fb_open()
195 	mutex_unlock(&(par->open_lock));  in i740fb_open()
204 	mutex_lock(&(par->open_lock));  in i740fb_release()
207 		mutex_unlock(&(par->open_lock));  in i740fb_release()
212 	mutex_unlock(&(par->open_lock));  in i740fb_release()
1024 	mutex_init(&par->open_lock);  in i740fb_probe()
1210 	mutex_lock(&(par->open_lock));  in i740fb_suspend()
1214 		mutex_unlock(&(par->open_lock));  in i740fb_suspend()
1225 	mutex_unlock(&(par->open_lock));  in i740fb_suspend()
1237 	mutex_lock(&(par->open_lock));  in i740fb_resume()
1251 	mutex_unlock(&(par->open_lock));  in i740fb_resume()