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e6b5be2be4
Here's the set of driver core patches for 3.19-rc1. They are dominated by the removal of the .owner field in platform drivers. They touch a lot of files, but they are "simple" changes, just removing a line in a structure. Other than that, a few minor driver core and debugfs changes. There are some ath9k patches coming in through this tree that have been acked by the wireless maintainers as they relied on the debugfs changes. Everything has been in linux-next for a while. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iEYEABECAAYFAlSOD20ACgkQMUfUDdst+ylLPACg2QrW1oHhdTMT9WI8jihlHVRM 53kAoLeteByQ3iVwWurwwseRPiWa8+MI =OVRS -----END PGP SIGNATURE----- Merge tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core update from Greg KH: "Here's the set of driver core patches for 3.19-rc1. They are dominated by the removal of the .owner field in platform drivers. They touch a lot of files, but they are "simple" changes, just removing a line in a structure. Other than that, a few minor driver core and debugfs changes. There are some ath9k patches coming in through this tree that have been acked by the wireless maintainers as they relied on the debugfs changes. Everything has been in linux-next for a while" * tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (324 commits) Revert "ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries" fs: debugfs: add forward declaration for struct device type firmware class: Deletion of an unnecessary check before the function call "vunmap" firmware loader: fix hung task warning dump devcoredump: provide a one-way disable function device: Add dev_<level>_once variants ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries ath: use seq_file api for ath9k debugfs files debugfs: add helper function to create device related seq_file drivers/base: cacheinfo: remove noisy error boot message Revert "core: platform: add warning if driver has no owner" drivers: base: support cpu cache information interface to userspace via sysfs drivers: base: add cpu_device_create to support per-cpu devices topology: replace custom attribute macros with standard DEVICE_ATTR* cpumask: factor out show_cpumap into separate helper function driver core: Fix unbalanced device reference in drivers_probe driver core: fix race with userland in device_add() sysfs/kernfs: make read requests on pre-alloc files use the buffer. sysfs/kernfs: allow attributes to request write buffer be pre-allocated. fs: sysfs: return EGBIG on write if offset is larger than file size ...
212 lines
5.7 KiB
C
212 lines
5.7 KiB
C
/*
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* Intel Haswell Lynxpoint SST Audio
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*
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* Copyright (C) 2013, Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version
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* 2 as published by the Free Software Foundation.
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*
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* This program 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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*/
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/soc.h>
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#include <sound/pcm_params.h>
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#include "sst-dsp.h"
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#include "sst-haswell-ipc.h"
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#include "../codecs/rt5640.h"
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/* Haswell ULT platforms have a Headphone and Mic jack */
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static const struct snd_soc_dapm_widget haswell_widgets[] = {
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SND_SOC_DAPM_HP("Headphones", NULL),
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SND_SOC_DAPM_MIC("Mic", NULL),
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};
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static const struct snd_soc_dapm_route haswell_rt5640_map[] = {
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{"Headphones", NULL, "HPOR"},
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{"Headphones", NULL, "HPOL"},
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{"IN2P", NULL, "Mic"},
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/* CODEC BE connections */
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{"SSP0 CODEC IN", NULL, "AIF1 Capture"},
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{"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
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};
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static int haswell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
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struct snd_pcm_hw_params *params)
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{
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struct snd_interval *rate = hw_param_interval(params,
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SNDRV_PCM_HW_PARAM_RATE);
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struct snd_interval *channels = hw_param_interval(params,
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SNDRV_PCM_HW_PARAM_CHANNELS);
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/* The ADSP will covert the FE rate to 48k, stereo */
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rate->min = rate->max = 48000;
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channels->min = channels->max = 2;
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/* set SSP0 to 16 bit */
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snd_mask_set(¶ms->masks[SNDRV_PCM_HW_PARAM_FORMAT -
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SNDRV_PCM_HW_PARAM_FIRST_MASK],
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SNDRV_PCM_FORMAT_S16_LE);
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return 0;
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}
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static int haswell_rt5640_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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int ret;
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ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_MCLK, 12288000,
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SND_SOC_CLOCK_IN);
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if (ret < 0) {
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dev_err(rtd->dev, "can't set codec sysclk configuration\n");
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return ret;
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}
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/* set correct codec filter for DAI format and clock config */
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snd_soc_update_bits(rtd->codec, 0x83, 0xffff, 0x8000);
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return ret;
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}
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static struct snd_soc_ops haswell_rt5640_ops = {
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.hw_params = haswell_rt5640_hw_params,
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};
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static int haswell_rtd_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct sst_pdata *pdata = dev_get_platdata(rtd->platform->dev);
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struct sst_hsw *haswell = pdata->dsp;
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int ret;
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/* Set ADSP SSP port settings */
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ret = sst_hsw_device_set_config(haswell, SST_HSW_DEVICE_SSP_0,
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SST_HSW_DEVICE_MCLK_FREQ_24_MHZ,
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SST_HSW_DEVICE_CLOCK_MASTER, 9);
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if (ret < 0) {
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dev_err(rtd->dev, "failed to set device config\n");
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return ret;
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}
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return 0;
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}
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static struct snd_soc_dai_link haswell_rt5640_dais[] = {
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/* Front End DAI links */
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{
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.name = "System",
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.stream_name = "System Playback/Capture",
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.cpu_dai_name = "System Pin",
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.platform_name = "haswell-pcm-audio",
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.dynamic = 1,
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.codec_name = "snd-soc-dummy",
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.codec_dai_name = "snd-soc-dummy-dai",
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.init = haswell_rtd_init,
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.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
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.dpcm_playback = 1,
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.dpcm_capture = 1,
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},
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{
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.name = "Offload0",
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.stream_name = "Offload0 Playback",
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.cpu_dai_name = "Offload0 Pin",
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.platform_name = "haswell-pcm-audio",
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.dynamic = 1,
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.codec_name = "snd-soc-dummy",
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.codec_dai_name = "snd-soc-dummy-dai",
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.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
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.dpcm_playback = 1,
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},
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{
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.name = "Offload1",
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.stream_name = "Offload1 Playback",
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.cpu_dai_name = "Offload1 Pin",
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.platform_name = "haswell-pcm-audio",
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.dynamic = 1,
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.codec_name = "snd-soc-dummy",
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.codec_dai_name = "snd-soc-dummy-dai",
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.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
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.dpcm_playback = 1,
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},
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{
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.name = "Loopback",
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.stream_name = "Loopback",
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.cpu_dai_name = "Loopback Pin",
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.platform_name = "haswell-pcm-audio",
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.dynamic = 0,
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.codec_name = "snd-soc-dummy",
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.codec_dai_name = "snd-soc-dummy-dai",
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.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
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.dpcm_capture = 1,
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},
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/* Back End DAI links */
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{
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/* SSP0 - Codec */
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.name = "Codec",
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.be_id = 0,
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.cpu_dai_name = "snd-soc-dummy-dai",
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.platform_name = "snd-soc-dummy",
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.no_pcm = 1,
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.codec_name = "i2c-INT33CA:00",
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.codec_dai_name = "rt5640-aif1",
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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SND_SOC_DAIFMT_CBS_CFS,
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.ignore_suspend = 1,
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.ignore_pmdown_time = 1,
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.be_hw_params_fixup = haswell_ssp0_fixup,
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.ops = &haswell_rt5640_ops,
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.dpcm_playback = 1,
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.dpcm_capture = 1,
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},
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};
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/* audio machine driver for Haswell Lynxpoint DSP + RT5640 */
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static struct snd_soc_card haswell_rt5640 = {
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.name = "haswell-rt5640",
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.owner = THIS_MODULE,
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.dai_link = haswell_rt5640_dais,
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.num_links = ARRAY_SIZE(haswell_rt5640_dais),
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.dapm_widgets = haswell_widgets,
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.num_dapm_widgets = ARRAY_SIZE(haswell_widgets),
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.dapm_routes = haswell_rt5640_map,
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.num_dapm_routes = ARRAY_SIZE(haswell_rt5640_map),
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.fully_routed = true,
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};
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static int haswell_audio_probe(struct platform_device *pdev)
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{
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haswell_rt5640.dev = &pdev->dev;
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return devm_snd_soc_register_card(&pdev->dev, &haswell_rt5640);
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}
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static struct platform_driver haswell_audio = {
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.probe = haswell_audio_probe,
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.driver = {
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.name = "haswell-audio",
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},
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};
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module_platform_driver(haswell_audio)
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/* Module information */
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MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
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MODULE_DESCRIPTION("Intel SST Audio for Haswell Lynxpoint");
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MODULE_LICENSE("GPL v2");
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MODULE_ALIAS("platform:haswell-audio");
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