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407 lines
11 KiB
407 lines
11 KiB
// SPDX-License-Identifier: GPL-2.0+ |
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/* |
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* Machine driver for AMD Vangogh platform using NAU8821 & CS35L41 |
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* codecs. |
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* |
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* Copyright 2021 Advanced Micro Devices, Inc. |
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*/ |
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#include <sound/soc.h> |
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#include <sound/soc-dapm.h> |
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#include <linux/module.h> |
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#include <linux/io.h> |
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#include <sound/pcm.h> |
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#include <sound/pcm_params.h> |
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#include <sound/jack.h> |
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#include <linux/clk.h> |
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#include <linux/gpio.h> |
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#include <linux/gpio/consumer.h> |
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#include <linux/module.h> |
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#include <linux/i2c.h> |
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#include <linux/input.h> |
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#include <linux/io.h> |
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#include <linux/acpi.h> |
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#include <linux/dmi.h> |
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#include "../../codecs/nau8821.h" |
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#include "../../codecs/cs35l41.h" |
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#include "acp5x.h" |
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#define DRV_NAME "acp5x_mach" |
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#define DUAL_CHANNEL 2 |
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#define ACP5X_NUVOTON_CODEC_DAI "nau8821-hifi" |
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#define VG_JUPITER 1 |
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#define ACP5X_NUVOTON_BCLK 3072000 |
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#define ACP5X_NAU8821_FREQ_OUT 12288000 |
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static unsigned long acp5x_machine_id; |
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static struct snd_soc_jack vg_headset; |
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static struct snd_soc_jack_pin acp5x_nau8821_jack_pins[] = { |
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{ |
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.pin = "Headphone", |
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.mask = SND_JACK_HEADPHONE, |
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}, |
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{ |
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.pin = "Headset Mic", |
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.mask = SND_JACK_MICROPHONE, |
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}, |
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}; |
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static int acp5x_8821_init(struct snd_soc_pcm_runtime *rtd) |
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{ |
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int ret; |
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struct snd_soc_card *card = rtd->card; |
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struct snd_soc_component *component = |
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asoc_rtd_to_codec(rtd, 0)->component; |
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/* |
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* Headset buttons map to the google Reference headset. |
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* These can be configured by userspace. |
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*/ |
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ret = snd_soc_card_jack_new(card, "Headset Jack", |
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SND_JACK_HEADSET | SND_JACK_BTN_0, |
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&vg_headset, acp5x_nau8821_jack_pins, |
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ARRAY_SIZE(acp5x_nau8821_jack_pins)); |
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if (ret) { |
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dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret); |
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return ret; |
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} |
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snd_jack_set_key(vg_headset.jack, SND_JACK_BTN_0, KEY_MEDIA); |
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nau8821_enable_jack_detect(component, &vg_headset); |
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return ret; |
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} |
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static int acp5x_cs35l41_init(struct snd_soc_pcm_runtime *rtd) |
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{ |
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return 0; |
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} |
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static const unsigned int rates[] = { |
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48000, |
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}; |
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static const struct snd_pcm_hw_constraint_list constraints_rates = { |
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.count = ARRAY_SIZE(rates), |
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.list = rates, |
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.mask = 0, |
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}; |
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static const unsigned int channels[] = { |
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2, |
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}; |
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static const struct snd_pcm_hw_constraint_list constraints_channels = { |
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.count = ARRAY_SIZE(channels), |
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.list = channels, |
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.mask = 0, |
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}; |
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static const unsigned int acp5x_nau8821_format[] = {32}; |
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static struct snd_pcm_hw_constraint_list constraints_sample_bits = { |
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.list = acp5x_nau8821_format, |
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.count = ARRAY_SIZE(acp5x_nau8821_format), |
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}; |
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static int acp5x_8821_startup(struct snd_pcm_substream *substream) |
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{ |
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struct snd_pcm_runtime *runtime = substream->runtime; |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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struct snd_soc_card *card = rtd->card; |
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struct acp5x_platform_info *machine = snd_soc_card_get_drvdata(card); |
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machine->play_i2s_instance = I2S_SP_INSTANCE; |
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machine->cap_i2s_instance = I2S_SP_INSTANCE; |
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runtime->hw.channels_max = DUAL_CHANNEL; |
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, |
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&constraints_channels); |
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, |
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&constraints_rates); |
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snd_pcm_hw_constraint_list(substream->runtime, 0, |
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SNDRV_PCM_HW_PARAM_SAMPLE_BITS, |
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&constraints_sample_bits); |
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return 0; |
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} |
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static int acp5x_nau8821_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 = asoc_substream_to_rtd(substream); |
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struct snd_soc_card *card = rtd->card; |
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struct snd_soc_dai *codec_dai = |
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snd_soc_card_get_codec_dai(card, |
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ACP5X_NUVOTON_CODEC_DAI); |
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int ret; |
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ret = snd_soc_dai_set_sysclk(codec_dai, NAU8821_CLK_FLL_BLK, 0, |
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SND_SOC_CLOCK_IN); |
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if (ret < 0) |
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dev_err(card->dev, "can't set FS clock %d\n", ret); |
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ret = snd_soc_dai_set_pll(codec_dai, 0, 0, snd_soc_params_to_bclk(params), |
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params_rate(params) * 256); |
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if (ret < 0) |
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dev_err(card->dev, "can't set FLL: %d\n", ret); |
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return ret; |
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} |
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static int acp5x_cs35l41_startup(struct snd_pcm_substream *substream) |
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{ |
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struct snd_pcm_runtime *runtime = substream->runtime; |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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struct snd_soc_card *card = rtd->card; |
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struct acp5x_platform_info *machine = snd_soc_card_get_drvdata(card); |
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machine->play_i2s_instance = I2S_HS_INSTANCE; |
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runtime->hw.channels_max = DUAL_CHANNEL; |
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, |
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&constraints_channels); |
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, |
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&constraints_rates); |
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return 0; |
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} |
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static int acp5x_cs35l41_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 = asoc_substream_to_rtd(substream); |
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struct snd_soc_card *card = rtd->card; |
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struct snd_soc_dai *codec_dai; |
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int ret, i; |
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unsigned int num_codecs = rtd->num_codecs; |
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unsigned int bclk_val; |
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ret = 0; |
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for (i = 0; i < num_codecs; i++) { |
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codec_dai = asoc_rtd_to_codec(rtd, i); |
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if ((strcmp(codec_dai->name, "spi-VLV1776:00") == 0) || |
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(strcmp(codec_dai->name, "spi-VLV1776:01") == 0)) { |
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switch (params_rate(params)) { |
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case 48000: |
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bclk_val = 1536000; |
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break; |
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default: |
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dev_err(card->dev, "Invalid Samplerate:0x%x\n", |
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params_rate(params)); |
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return -EINVAL; |
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} |
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ret = snd_soc_component_set_sysclk(codec_dai->component, |
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0, 0, bclk_val, SND_SOC_CLOCK_IN); |
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if (ret < 0) { |
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dev_err(card->dev, "failed to set sysclk for CS35l41 dai\n"); |
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return ret; |
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} |
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} |
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} |
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return ret; |
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} |
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static const struct snd_soc_ops acp5x_8821_ops = { |
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.startup = acp5x_8821_startup, |
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.hw_params = acp5x_nau8821_hw_params, |
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}; |
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static const struct snd_soc_ops acp5x_cs35l41_play_ops = { |
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.startup = acp5x_cs35l41_startup, |
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.hw_params = acp5x_cs35l41_hw_params, |
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}; |
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static struct snd_soc_codec_conf cs35l41_conf[] = { |
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{ |
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.dlc = COMP_CODEC_CONF("spi-VLV1776:00"), |
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.name_prefix = "Left", |
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}, |
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{ |
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.dlc = COMP_CODEC_CONF("spi-VLV1776:01"), |
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.name_prefix = "Right", |
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}, |
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}; |
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SND_SOC_DAILINK_DEF(acp5x_i2s, |
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DAILINK_COMP_ARRAY(COMP_CPU("acp5x_i2s_playcap.0"))); |
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SND_SOC_DAILINK_DEF(acp5x_bt, |
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DAILINK_COMP_ARRAY(COMP_CPU("acp5x_i2s_playcap.1"))); |
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SND_SOC_DAILINK_DEF(nau8821, |
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DAILINK_COMP_ARRAY(COMP_CODEC("i2c-NVTN2020:00", |
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"nau8821-hifi"))); |
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SND_SOC_DAILINK_DEF(cs35l41, |
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DAILINK_COMP_ARRAY(COMP_CODEC("spi-VLV1776:00", "cs35l41-pcm"), |
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COMP_CODEC("spi-VLV1776:01", "cs35l41-pcm"))); |
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SND_SOC_DAILINK_DEF(platform, |
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DAILINK_COMP_ARRAY(COMP_PLATFORM("acp5x_i2s_dma.0"))); |
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static struct snd_soc_dai_link acp5x_dai[] = { |
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{ |
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.name = "acp5x-8821-play", |
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.stream_name = "Playback/Capture", |
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
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SND_SOC_DAIFMT_CBC_CFC, |
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.dpcm_playback = 1, |
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.dpcm_capture = 1, |
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.ops = &acp5x_8821_ops, |
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.init = acp5x_8821_init, |
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SND_SOC_DAILINK_REG(acp5x_i2s, nau8821, platform), |
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}, |
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{ |
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.name = "acp5x-CS35L41-Stereo", |
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.stream_name = "CS35L41 Stereo Playback", |
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
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SND_SOC_DAIFMT_CBC_CFC, |
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.dpcm_playback = 1, |
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.playback_only = 1, |
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.ops = &acp5x_cs35l41_play_ops, |
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.init = acp5x_cs35l41_init, |
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SND_SOC_DAILINK_REG(acp5x_bt, cs35l41, platform), |
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}, |
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}; |
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static int platform_clock_control(struct snd_soc_dapm_widget *w, |
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struct snd_kcontrol *k, int event) |
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{ |
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struct snd_soc_dapm_context *dapm = w->dapm; |
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struct snd_soc_card *card = dapm->card; |
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struct snd_soc_dai *codec_dai; |
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int ret = 0; |
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codec_dai = snd_soc_card_get_codec_dai(card, ACP5X_NUVOTON_CODEC_DAI); |
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if (!codec_dai) { |
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dev_err(card->dev, "Codec dai not found\n"); |
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return -EIO; |
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} |
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if (SND_SOC_DAPM_EVENT_OFF(event)) { |
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ret = snd_soc_dai_set_sysclk(codec_dai, NAU8821_CLK_INTERNAL, |
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0, SND_SOC_CLOCK_IN); |
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if (ret < 0) { |
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dev_err(card->dev, "set sysclk err = %d\n", ret); |
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return -EIO; |
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} |
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} else { |
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ret = snd_soc_dai_set_sysclk(codec_dai, NAU8821_CLK_FLL_BLK, 0, |
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SND_SOC_CLOCK_IN); |
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if (ret < 0) |
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dev_err(codec_dai->dev, "can't set BLK clock %d\n", ret); |
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ret = snd_soc_dai_set_pll(codec_dai, 0, 0, ACP5X_NUVOTON_BCLK, |
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ACP5X_NAU8821_FREQ_OUT); |
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if (ret < 0) |
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dev_err(codec_dai->dev, "can't set FLL: %d\n", ret); |
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} |
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return ret; |
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} |
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static const struct snd_kcontrol_new acp5x_8821_controls[] = { |
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SOC_DAPM_PIN_SWITCH("Headphone"), |
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SOC_DAPM_PIN_SWITCH("Headset Mic"), |
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SOC_DAPM_PIN_SWITCH("Int Mic"), |
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}; |
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static const struct snd_soc_dapm_widget acp5x_8821_widgets[] = { |
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SND_SOC_DAPM_HP("Headphone", NULL), |
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SND_SOC_DAPM_MIC("Headset Mic", NULL), |
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SND_SOC_DAPM_MIC("Int Mic", NULL), |
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SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, |
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platform_clock_control, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), |
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}; |
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static const struct snd_soc_dapm_route acp5x_8821_audio_route[] = { |
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/* HP jack connectors - unknown if we have jack detection */ |
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{ "Headphone", NULL, "HPOL" }, |
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{ "Headphone", NULL, "HPOR" }, |
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{ "MICL", NULL, "Headset Mic" }, |
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{ "MICR", NULL, "Headset Mic" }, |
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{ "DMIC", NULL, "Int Mic" }, |
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{ "Headphone", NULL, "Platform Clock" }, |
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{ "Headset Mic", NULL, "Platform Clock" }, |
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{ "Int Mic", NULL, "Platform Clock" }, |
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}; |
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static struct snd_soc_card acp5x_card = { |
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.name = "acp5x", |
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.owner = THIS_MODULE, |
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.dai_link = acp5x_dai, |
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.num_links = ARRAY_SIZE(acp5x_dai), |
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.dapm_widgets = acp5x_8821_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(acp5x_8821_widgets), |
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.dapm_routes = acp5x_8821_audio_route, |
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.num_dapm_routes = ARRAY_SIZE(acp5x_8821_audio_route), |
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.codec_conf = cs35l41_conf, |
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.num_configs = ARRAY_SIZE(cs35l41_conf), |
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.controls = acp5x_8821_controls, |
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.num_controls = ARRAY_SIZE(acp5x_8821_controls), |
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}; |
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static int acp5x_vg_quirk_cb(const struct dmi_system_id *id) |
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{ |
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acp5x_machine_id = VG_JUPITER; |
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return 1; |
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} |
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static const struct dmi_system_id acp5x_vg_quirk_table[] = { |
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{ |
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.callback = acp5x_vg_quirk_cb, |
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.matches = { |
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DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Valve"), |
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DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Jupiter"), |
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} |
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}, |
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{} |
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}; |
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static int acp5x_probe(struct platform_device *pdev) |
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{ |
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int ret; |
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struct acp5x_platform_info *machine; |
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struct snd_soc_card *card; |
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machine = devm_kzalloc(&pdev->dev, sizeof(struct acp5x_platform_info), |
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GFP_KERNEL); |
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if (!machine) |
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return -ENOMEM; |
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dmi_check_system(acp5x_vg_quirk_table); |
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switch (acp5x_machine_id) { |
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case VG_JUPITER: |
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card = &acp5x_card; |
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acp5x_card.dev = &pdev->dev; |
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break; |
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default: |
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return -ENODEV; |
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} |
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platform_set_drvdata(pdev, card); |
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snd_soc_card_set_drvdata(card, machine); |
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ret = devm_snd_soc_register_card(&pdev->dev, card); |
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if (ret) { |
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return dev_err_probe(&pdev->dev, ret, |
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"snd_soc_register_card(%s) failed\n", |
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acp5x_card.name); |
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} |
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return 0; |
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} |
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static struct platform_driver acp5x_mach_driver = { |
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.driver = { |
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.name = "acp5x_mach", |
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.pm = &snd_soc_pm_ops, |
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}, |
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.probe = acp5x_probe, |
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}; |
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module_platform_driver(acp5x_mach_driver); |
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MODULE_AUTHOR("[email protected]"); |
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MODULE_DESCRIPTION("NAU8821 & CS35L41 audio support"); |
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MODULE_LICENSE("GPL v2"); |
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MODULE_ALIAS("platform:" DRV_NAME);
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