2006-05-17 05:22:21 -04:00
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/*
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* Universal Interface for Intel High Definition Audio Codec
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*
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* HD audio interface patch for ATI HDMI codecs
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*
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* Copyright (c) 2006 ATI Technologies Inc.
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*
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*
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* This driver is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This driver is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <sound/core.h>
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#include "hda_codec.h"
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#include "hda_local.h"
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struct atihdmi_spec {
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struct hda_multi_out multiout;
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struct hda_pcm pcm_rec;
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};
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2008-07-30 09:13:29 -04:00
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#define CVT_NID 0x02 /* audio converter */
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#define PIN_NID 0x03 /* HDMI output pin */
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2006-05-17 05:22:21 -04:00
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static struct hda_verb atihdmi_basic_init[] = {
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/* enable digital output on pin widget */
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{ 0x03, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT },
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{} /* terminator */
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};
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/*
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* Controls
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*/
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static int atihdmi_build_controls(struct hda_codec *codec)
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{
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struct atihdmi_spec *spec = codec->spec;
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int err;
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err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
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if (err < 0)
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return err;
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return 0;
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}
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static int atihdmi_init(struct hda_codec *codec)
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{
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snd_hda_sequence_write(codec, atihdmi_basic_init);
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2008-02-04 06:32:20 -05:00
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/* SI codec requires to unmute the pin */
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2008-07-30 09:13:29 -04:00
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if (get_wcaps(codec, PIN_NID) & AC_WCAP_OUT_AMP)
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snd_hda_codec_write(codec, PIN_NID, 0,
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AC_VERB_SET_AMP_GAIN_MUTE,
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2008-02-04 06:32:20 -05:00
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AMP_OUT_UNMUTE);
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2006-05-17 05:22:21 -04:00
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return 0;
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}
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/*
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* Digital out
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*/
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static int atihdmi_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
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struct hda_codec *codec,
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struct snd_pcm_substream *substream)
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{
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struct atihdmi_spec *spec = codec->spec;
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return snd_hda_multi_out_dig_open(codec, &spec->multiout);
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}
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static int atihdmi_dig_playback_pcm_close(struct hda_pcm_stream *hinfo,
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struct hda_codec *codec,
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struct snd_pcm_substream *substream)
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{
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struct atihdmi_spec *spec = codec->spec;
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return snd_hda_multi_out_dig_close(codec, &spec->multiout);
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}
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2007-04-05 08:51:48 -04:00
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static int atihdmi_dig_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
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struct hda_codec *codec,
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unsigned int stream_tag,
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unsigned int format,
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struct snd_pcm_substream *substream)
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{
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struct atihdmi_spec *spec = codec->spec;
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2008-07-30 09:13:29 -04:00
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int chans = substream->runtime->channels;
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int i, err;
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err = snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
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format, substream);
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if (err < 0)
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return err;
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snd_hda_codec_write(codec, CVT_NID, 0, AC_VERB_SET_CVT_CHAN_COUNT,
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chans - 1);
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/* FIXME: XXX */
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for (i = 0; i < chans; i++) {
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snd_hda_codec_write(codec, CVT_NID, 0,
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AC_VERB_SET_HDMI_CHAN_SLOT,
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(i << 4) | i);
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}
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return 0;
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2007-04-05 08:51:48 -04:00
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}
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2006-05-17 05:22:21 -04:00
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static struct hda_pcm_stream atihdmi_pcm_digital_playback = {
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.substreams = 1,
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.channels_min = 2,
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.channels_max = 2,
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2008-07-30 09:13:29 -04:00
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.nid = CVT_NID, /* NID to query formats and rates and setup streams */
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2006-05-17 05:22:21 -04:00
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.ops = {
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.open = atihdmi_dig_playback_pcm_open,
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2007-04-05 08:51:48 -04:00
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.close = atihdmi_dig_playback_pcm_close,
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.prepare = atihdmi_dig_playback_pcm_prepare
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2006-05-17 05:22:21 -04:00
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},
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};
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static int atihdmi_build_pcms(struct hda_codec *codec)
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{
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struct atihdmi_spec *spec = codec->spec;
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struct hda_pcm *info = &spec->pcm_rec;
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2008-07-30 09:13:29 -04:00
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unsigned int chans;
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2006-05-17 05:22:21 -04:00
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codec->num_pcms = 1;
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codec->pcm_info = info;
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info->name = "ATI HDMI";
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[ALSA] hda-intel - Fix PCM device number assignment
In the current scheme, PCM device numbers are assigned incrementally
in the order of codecs. This causes problems when the codec number
is irregular, e.g. codec #0 for HDMI and codec #1 for analog. Then
the HDMI becomes the first PCM, which is picked up as the default
output device. Unfortuantely this doesn't work well with normal
setups.
This patch introduced the fixed device numbers for the PCM types,
namely, analog, SPDIF, HDMI and modem. The PCM devices are assigned
according to the corresponding PCM type. After this patch, HDMI will
be always assigned to PCM #3, SPDIF to PCM #1, and the first analog
to PCM #0, etc.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-02-06 08:03:20 -05:00
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info->pcm_type = HDA_PCM_TYPE_HDMI;
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2006-05-17 05:22:21 -04:00
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info->stream[SNDRV_PCM_STREAM_PLAYBACK] = atihdmi_pcm_digital_playback;
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2008-07-30 09:13:29 -04:00
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/* FIXME: we must check ELD and change the PCM parameters dynamically
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*/
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chans = get_wcaps(codec, CVT_NID);
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2009-08-23 21:50:46 -04:00
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chans = get_wcaps_channels(chans);
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2008-07-30 09:13:29 -04:00
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info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max = chans;
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2006-05-17 05:22:21 -04:00
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return 0;
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}
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static void atihdmi_free(struct hda_codec *codec)
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{
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kfree(codec->spec);
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}
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static struct hda_codec_ops atihdmi_patch_ops = {
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.build_controls = atihdmi_build_controls,
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.build_pcms = atihdmi_build_pcms,
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.init = atihdmi_init,
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.free = atihdmi_free,
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};
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static int patch_atihdmi(struct hda_codec *codec)
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{
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struct atihdmi_spec *spec;
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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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spec->multiout.num_dacs = 0; /* no analog */
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spec->multiout.max_channels = 2;
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2008-07-30 09:13:29 -04:00
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/* NID for copying analog to digital,
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* seems to be unused in pure-digital
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* case.
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*/
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spec->multiout.dig_out_nid = CVT_NID;
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2006-05-17 05:22:21 -04:00
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codec->patch_ops = atihdmi_patch_ops;
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return 0;
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}
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/*
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* patch entries
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*/
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2008-11-27 09:47:11 -05:00
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static struct hda_codec_preset snd_hda_preset_atihdmi[] = {
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2008-12-18 03:17:56 -05:00
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{ .id = 0x1002793c, .name = "RS600 HDMI", .patch = patch_atihdmi },
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{ .id = 0x10027919, .name = "RS600 HDMI", .patch = patch_atihdmi },
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{ .id = 0x1002791a, .name = "RS690/780 HDMI", .patch = patch_atihdmi },
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{ .id = 0x1002aa01, .name = "R6xx HDMI", .patch = patch_atihdmi },
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2008-07-30 09:13:29 -04:00
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{ .id = 0x10951390, .name = "SiI1390 HDMI", .patch = patch_atihdmi },
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2008-02-07 11:12:01 -05:00
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{ .id = 0x17e80047, .name = "Chrontel HDMI", .patch = patch_atihdmi },
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2006-05-17 05:22:21 -04:00
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{} /* terminator */
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};
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2008-11-27 09:47:11 -05:00
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MODULE_ALIAS("snd-hda-codec-id:1002793c");
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MODULE_ALIAS("snd-hda-codec-id:10027919");
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MODULE_ALIAS("snd-hda-codec-id:1002791a");
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MODULE_ALIAS("snd-hda-codec-id:1002aa01");
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MODULE_ALIAS("snd-hda-codec-id:10951390");
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MODULE_ALIAS("snd-hda-codec-id:17e80047");
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("ATI HDMI HD-audio codec");
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static struct hda_codec_preset_list atihdmi_list = {
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.preset = snd_hda_preset_atihdmi,
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.owner = THIS_MODULE,
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};
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static int __init patch_atihdmi_init(void)
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{
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return snd_hda_add_codec_preset(&atihdmi_list);
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}
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static void __exit patch_atihdmi_exit(void)
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{
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snd_hda_delete_codec_preset(&atihdmi_list);
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}
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module_init(patch_atihdmi_init)
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module_exit(patch_atihdmi_exit)
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