LXR linux/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fannil.c

   1/*
   2 * Copyright 2012 Red Hat Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 * Authors: Ben Skeggs
  23 */
  24#include "priv.h"
  25
  26static int
  27nvkm_fannil_get(struct nvkm_therm *therm)
  28{
  29        return -ENODEV;
  30}
  31
  32static int
  33nvkm_fannil_set(struct nvkm_therm *therm, int percent)
  34{
  35        return -ENODEV;
  36}
  37
  38int
  39nvkm_fannil_create(struct nvkm_therm *therm)
  40{
  41        struct nvkm_fan *priv;
  42
  43        priv = kzalloc(sizeof(*priv), GFP_KERNEL);
  44        therm->fan = priv;
  45        if (!priv)
  46                return -ENOMEM;
  47
  48        priv->type = "none / external";
  49        priv->get = nvkm_fannil_get;
  50        priv->set = nvkm_fannil_set;
  51        return 0;
  52}
  53