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kernel/linux-rt-4.4.41/drivers/video/fbdev/via/via_aux_vt1621.c 1.2 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public
   * License as published by the Free Software Foundation;
   * either version 2, or (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
   * the implied warranty of MERCHANTABILITY or FITNESS FOR
   * A PARTICULAR PURPOSE.See the GNU General Public License
   * for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc.,
   * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
   */
  /*
   * driver for VIA VT1621(M) TV Encoder
   */
  
  #include <linux/slab.h>
  #include "via_aux.h"
  
  
  static const char *name = "VT1621(M) TV Encoder";
  
  
  void via_aux_vt1621_probe(struct via_aux_bus *bus)
  {
  	struct via_aux_drv drv = {
  		.bus	=	bus,
  		.addr	=	0x20,
  		.name	=	name};
  	u8 tmp;
  
  	if (!via_aux_read(&drv, 0x1B, &tmp, 1) || tmp != 0x02)
  		return;
  
  	printk(KERN_INFO "viafb: Found %s
  ", name);
  	via_aux_add(&drv);
  }