sound/pci/hda/hda_i915.h

   1 /*
   2  *  This program is free software; you can redistribute it and/or modify it
   3  *  under the terms of the GNU General Public License as published by the Free
   4  *  Software Foundation; either version 2 of the License, or (at your option)
   5  *  any later version.
   6  *
   7  *  This program is distributed in the hope that it will be useful, but WITHOUT
   8  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   9  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  10  *  more details.
  11  *
  12  *  You should have received a copy of the GNU General Public License along with
  13  *  this program; if not, write to the Free Software Foundation, Inc., 59
  14  *  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  15  */
  16 #ifndef __SOUND_HDA_I915_H
  17 #define __SOUND_HDA_I915_H
  18
  19 #ifdef CONFIG_SND_HDA_I915
  20 int hda_display_power(bool enable);
  21 void haswell_set_bclk(struct azx *chip);
  22 int hda_i915_init(void);
  23 int hda_i915_exit(void);
  24 #else
  25 static inline int hda_display_power(bool enable) { return 0; }
  26 static inline void haswell_set_bclk(struct azx *chip) { return; }
  27 static inline int hda_i915_init(void)
  28 {
  29         return -ENODEV;
  30 }
  31 static inline int hda_i915_exit(void)
  32 {
  33         return 0;
  34 }
  35 #endif
  36
  37 #endif