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kernel add
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/*
* HD audio interface patch for Creative X-Fi CA0110-IBG chip
*
* Copyright (c) 2008 Takashi Iwai <tiwai@suse.de>
*
* This driver 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 of the License, or
* (at your option) any later version.
*
* This driver is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; 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
*/
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <sound/core.h>
#include "hda_codec.h"
#include "hda_local.h"
#include "hda_auto_parser.h"
#include "hda_jack.h"
#include "hda_generic.h"
static const struct hda_codec_ops ca0110_patch_ops = {
.build_controls = snd_hda_gen_build_controls,
.build_pcms = snd_hda_gen_build_pcms,
.init = snd_hda_gen_init,
.free = snd_hda_gen_free,
.unsol_event = snd_hda_jack_unsol_event,
};
static int ca0110_parse_auto_config(struct hda_codec *codec)
{
struct hda_gen_spec *spec = codec->spec;
int err;
err = snd_hda_parse_pin_defcfg(codec, &spec->autocfg, NULL, 0);
if (err < 0)
return err;
err = snd_hda_gen_parse_auto_config(codec, &spec->autocfg);
if (err < 0)
return err;
return 0;
}
static int patch_ca0110(struct hda_codec *codec)
{
struct hda_gen_spec *spec;
int err;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (!spec)
return -ENOMEM;
snd_hda_gen_spec_init(spec);
codec->spec = spec;
codec->patch_ops = ca0110_patch_ops;
spec->multi_cap_vol = 1;
codec->bus->needs_damn_long_delay = 1;
err = ca0110_parse_auto_config(codec);
if (err < 0)
goto error;
return 0;
error:
snd_hda_gen_free(codec);
return err;
}
/*
* patch entries
*/
static const struct hda_device_id snd_hda_id_ca0110[] = {
HDA_CODEC_ENTRY(0x1102000a, "CA0110-IBG", patch_ca0110),
HDA_CODEC_ENTRY(0x1102000b, "CA0110-IBG", patch_ca0110),
HDA_CODEC_ENTRY(0x1102000d, "SB0880 X-Fi", patch_ca0110),
{} /* terminator */
};
MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_ca0110);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Creative CA0110-IBG HD-audio codec");
static struct hda_codec_driver ca0110_driver = {
.id = snd_hda_id_ca0110,
};
module_hda_codec_driver(ca0110_driver);
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