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0f1e8306dc
Convert the C-Media codec driver to use the new hda_codec_ops probe. Since the CM9825 uses a completely different probe and codec ops, factor out to an individual codec driver, snd-hda-codec-cm9825. Other than that, no functional changes. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250709160434.1859-13-tiwai@suse.de
106 lines
2.5 KiB
C
106 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Universal codec driver for Intel High Definition Audio Codec
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*
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* HD audio codec driver for C-Media CMI9880
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*
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* Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
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*/
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#include <sound/core.h>
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#include <sound/hda_codec.h>
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#include "hda_local.h"
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#include "hda_auto_parser.h"
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#include "hda_jack.h"
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#include "generic.h"
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static int cmedia_probe(struct hda_codec *codec, const struct hda_device_id *id)
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{
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struct hda_gen_spec *spec;
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struct auto_pin_cfg *cfg;
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bool is_cmi8888 = id->vendor_id == 0x13f68888;
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int err;
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spec = kzalloc(sizeof(*spec), GFP_KERNEL);
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if (spec == NULL)
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return -ENOMEM;
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codec->spec = spec;
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cfg = &spec->autocfg;
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snd_hda_gen_spec_init(spec);
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if (is_cmi8888) {
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/* mask NID 0x10 from the playback volume selection;
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* it's a headphone boost volume handled manually below
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*/
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spec->out_vol_mask = (1ULL << 0x10);
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}
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err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0);
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if (err < 0)
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goto error;
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err = snd_hda_gen_parse_auto_config(codec, cfg);
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if (err < 0)
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goto error;
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err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0);
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if (err < 0)
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goto error;
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err = snd_hda_gen_parse_auto_config(codec, cfg);
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if (err < 0)
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goto error;
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if (is_cmi8888) {
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if (get_defcfg_device(snd_hda_codec_get_pincfg(codec, 0x10)) ==
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AC_JACK_HP_OUT) {
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static const struct snd_kcontrol_new amp_kctl =
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HDA_CODEC_VOLUME("Headphone Amp Playback Volume",
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0x10, 0, HDA_OUTPUT);
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if (!snd_hda_gen_add_kctl(spec, NULL, &_kctl)) {
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err = -ENOMEM;
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goto error;
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}
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}
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}
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return 0;
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error:
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snd_hda_gen_remove(codec);
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return err;
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}
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static const struct hda_codec_ops cmedia_codec_ops = {
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.probe = cmedia_probe,
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.remove = snd_hda_gen_remove,
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.build_controls = snd_hda_gen_build_controls,
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.build_pcms = snd_hda_gen_build_pcms,
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.init = snd_hda_gen_init,
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.unsol_event = snd_hda_jack_unsol_event,
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.check_power_status = snd_hda_gen_check_power_status,
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.stream_pm = snd_hda_gen_stream_pm,
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};
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/*
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* driver entries
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*/
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static const struct hda_device_id snd_hda_id_cmedia[] = {
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HDA_CODEC_ID(0x13f68888, "CMI8888"),
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HDA_CODEC_ID(0x13f69880, "CMI9880"),
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HDA_CODEC_ID(0x434d4980, "CMI9880"),
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{} /* terminator */
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};
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MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_cmedia);
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("C-Media HD-audio codec");
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static struct hda_codec_driver cmedia_driver = {
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.id = snd_hda_id_cmedia,
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.ops = &cmedia_codec_ops,
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};
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module_hda_codec_driver(cmedia_driver);
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