cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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patch_ca0110.c (1942B)

      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * HD audio interface patch for Creative X-Fi CA0110-IBG chip
      4 *
      5 * Copyright (c) 2008 Takashi Iwai <tiwai@suse.de>
      6 */
      7
      8#include <linux/init.h>
      9#include <linux/slab.h>
     10#include <linux/module.h>
     11#include <sound/core.h>
     12#include <sound/hda_codec.h>
     13#include "hda_local.h"
     14#include "hda_auto_parser.h"
     15#include "hda_jack.h"
     16#include "hda_generic.h"
     17
     18
     19static const struct hda_codec_ops ca0110_patch_ops = {
     20	.build_controls = snd_hda_gen_build_controls,
     21	.build_pcms = snd_hda_gen_build_pcms,
     22	.init = snd_hda_gen_init,
     23	.free = snd_hda_gen_free,
     24	.unsol_event = snd_hda_jack_unsol_event,
     25};
     26
     27static int ca0110_parse_auto_config(struct hda_codec *codec)
     28{
     29	struct hda_gen_spec *spec = codec->spec;
     30	int err;
     31
     32	err = snd_hda_parse_pin_defcfg(codec, &spec->autocfg, NULL, 0);
     33	if (err < 0)
     34		return err;
     35	err = snd_hda_gen_parse_auto_config(codec, &spec->autocfg);
     36	if (err < 0)
     37		return err;
     38
     39	return 0;
     40}
     41
     42
     43static int patch_ca0110(struct hda_codec *codec)
     44{
     45	struct hda_gen_spec *spec;
     46	int err;
     47
     48	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
     49	if (!spec)
     50		return -ENOMEM;
     51	snd_hda_gen_spec_init(spec);
     52	codec->spec = spec;
     53	codec->patch_ops = ca0110_patch_ops;
     54
     55	spec->multi_cap_vol = 1;
     56	codec->bus->core.needs_damn_long_delay = 1;
     57
     58	err = ca0110_parse_auto_config(codec);
     59	if (err < 0)
     60		goto error;
     61
     62	return 0;
     63
     64 error:
     65	snd_hda_gen_free(codec);
     66	return err;
     67}
     68
     69
     70/*
     71 * patch entries
     72 */
     73static const struct hda_device_id snd_hda_id_ca0110[] = {
     74	HDA_CODEC_ENTRY(0x1102000a, "CA0110-IBG", patch_ca0110),
     75	HDA_CODEC_ENTRY(0x1102000b, "CA0110-IBG", patch_ca0110),
     76	HDA_CODEC_ENTRY(0x1102000d, "SB0880 X-Fi", patch_ca0110),
     77	{} /* terminator */
     78};
     79MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_ca0110);
     80
     81MODULE_LICENSE("GPL");
     82MODULE_DESCRIPTION("Creative CA0110-IBG HD-audio codec");
     83
     84static struct hda_codec_driver ca0110_driver = {
     85	.id = snd_hda_id_ca0110,
     86};
     87
     88module_hda_codec_driver(ca0110_driver);