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493 lines
12 KiB
493 lines
12 KiB
// SPDX-License-Identifier: GPL-2.0+ |
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// |
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// Bells audio support |
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// |
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// Copyright 2012 Wolfson Microelectronics |
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#include <sound/soc.h> |
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#include <sound/soc-dapm.h> |
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#include <sound/jack.h> |
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#include <linux/gpio.h> |
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#include <linux/module.h> |
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#include "../codecs/wm5102.h" |
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#include "../codecs/wm9081.h" |
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/* BCLK2 is fixed at this currently */ |
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#define BCLK2_RATE (64 * 8000) |
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/* |
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* Expect a 24.576MHz crystal if one is fitted (the driver will function |
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* if this is not fitted). |
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*/ |
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#define MCLK_RATE 24576000 |
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#define SYS_AUDIO_RATE 44100 |
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#define SYS_MCLK_RATE (SYS_AUDIO_RATE * 512) |
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#define DAI_AP_DSP 0 |
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#define DAI_DSP_CODEC 1 |
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#define DAI_CODEC_CP 2 |
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#define DAI_CODEC_SUB 3 |
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struct bells_drvdata { |
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int sysclk_rate; |
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int asyncclk_rate; |
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}; |
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static struct bells_drvdata wm2200_drvdata = { |
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.sysclk_rate = 22579200, |
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}; |
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static struct bells_drvdata wm5102_drvdata = { |
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.sysclk_rate = 45158400, |
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.asyncclk_rate = 49152000, |
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}; |
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static struct bells_drvdata wm5110_drvdata = { |
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.sysclk_rate = 135475200, |
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.asyncclk_rate = 147456000, |
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}; |
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static int bells_set_bias_level(struct snd_soc_card *card, |
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struct snd_soc_dapm_context *dapm, |
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enum snd_soc_bias_level level) |
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{ |
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struct snd_soc_pcm_runtime *rtd; |
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struct snd_soc_dai *codec_dai; |
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struct snd_soc_component *component; |
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struct bells_drvdata *bells = card->drvdata; |
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int ret; |
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rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_DSP_CODEC]); |
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codec_dai = asoc_rtd_to_codec(rtd, 0); |
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component = codec_dai->component; |
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if (dapm->dev != codec_dai->dev) |
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return 0; |
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switch (level) { |
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case SND_SOC_BIAS_PREPARE: |
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if (dapm->bias_level != SND_SOC_BIAS_STANDBY) |
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break; |
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ret = snd_soc_component_set_pll(component, WM5102_FLL1, |
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ARIZONA_FLL_SRC_MCLK1, |
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MCLK_RATE, |
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bells->sysclk_rate); |
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if (ret < 0) |
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pr_err("Failed to start FLL: %d\n", ret); |
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if (bells->asyncclk_rate) { |
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ret = snd_soc_component_set_pll(component, WM5102_FLL2, |
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ARIZONA_FLL_SRC_AIF2BCLK, |
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BCLK2_RATE, |
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bells->asyncclk_rate); |
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if (ret < 0) |
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pr_err("Failed to start FLL: %d\n", ret); |
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} |
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break; |
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default: |
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break; |
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} |
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return 0; |
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} |
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static int bells_set_bias_level_post(struct snd_soc_card *card, |
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struct snd_soc_dapm_context *dapm, |
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enum snd_soc_bias_level level) |
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{ |
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struct snd_soc_pcm_runtime *rtd; |
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struct snd_soc_dai *codec_dai; |
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struct snd_soc_component *component; |
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struct bells_drvdata *bells = card->drvdata; |
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int ret; |
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rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_DSP_CODEC]); |
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codec_dai = asoc_rtd_to_codec(rtd, 0); |
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component = codec_dai->component; |
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if (dapm->dev != codec_dai->dev) |
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return 0; |
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switch (level) { |
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case SND_SOC_BIAS_STANDBY: |
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ret = snd_soc_component_set_pll(component, WM5102_FLL1, 0, 0, 0); |
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if (ret < 0) { |
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pr_err("Failed to stop FLL: %d\n", ret); |
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return ret; |
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} |
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if (bells->asyncclk_rate) { |
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ret = snd_soc_component_set_pll(component, WM5102_FLL2, |
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0, 0, 0); |
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if (ret < 0) { |
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pr_err("Failed to stop FLL: %d\n", ret); |
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return ret; |
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} |
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} |
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break; |
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default: |
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break; |
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} |
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dapm->bias_level = level; |
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return 0; |
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} |
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static int bells_late_probe(struct snd_soc_card *card) |
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{ |
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struct bells_drvdata *bells = card->drvdata; |
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struct snd_soc_pcm_runtime *rtd; |
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struct snd_soc_component *wm0010; |
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struct snd_soc_component *component; |
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struct snd_soc_dai *aif1_dai; |
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struct snd_soc_dai *aif2_dai; |
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struct snd_soc_dai *aif3_dai; |
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struct snd_soc_dai *wm9081_dai; |
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int ret; |
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rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_AP_DSP]); |
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wm0010 = asoc_rtd_to_codec(rtd, 0)->component; |
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rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_DSP_CODEC]); |
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component = asoc_rtd_to_codec(rtd, 0)->component; |
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aif1_dai = asoc_rtd_to_codec(rtd, 0); |
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ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_SYSCLK, |
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ARIZONA_CLK_SRC_FLL1, |
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bells->sysclk_rate, |
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SND_SOC_CLOCK_IN); |
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if (ret != 0) { |
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dev_err(component->dev, "Failed to set SYSCLK: %d\n", ret); |
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return ret; |
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} |
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ret = snd_soc_component_set_sysclk(wm0010, 0, 0, SYS_MCLK_RATE, 0); |
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if (ret != 0) { |
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dev_err(wm0010->dev, "Failed to set WM0010 clock: %d\n", ret); |
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return ret; |
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} |
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ret = snd_soc_dai_set_sysclk(aif1_dai, ARIZONA_CLK_SYSCLK, 0, 0); |
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if (ret != 0) |
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dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret); |
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ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_OPCLK, 0, |
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SYS_MCLK_RATE, SND_SOC_CLOCK_OUT); |
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if (ret != 0) |
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dev_err(component->dev, "Failed to set OPCLK: %d\n", ret); |
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if (card->num_rtd == DAI_CODEC_CP) |
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return 0; |
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ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_ASYNCCLK, |
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ARIZONA_CLK_SRC_FLL2, |
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bells->asyncclk_rate, |
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SND_SOC_CLOCK_IN); |
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if (ret != 0) { |
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dev_err(component->dev, "Failed to set ASYNCCLK: %d\n", ret); |
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return ret; |
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} |
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rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_CODEC_CP]); |
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aif2_dai = asoc_rtd_to_cpu(rtd, 0); |
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ret = snd_soc_dai_set_sysclk(aif2_dai, ARIZONA_CLK_ASYNCCLK, 0, 0); |
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if (ret != 0) { |
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dev_err(aif2_dai->dev, "Failed to set AIF2 clock: %d\n", ret); |
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return ret; |
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} |
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if (card->num_rtd == DAI_CODEC_SUB) |
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return 0; |
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rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_CODEC_SUB]); |
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aif3_dai = asoc_rtd_to_cpu(rtd, 0); |
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wm9081_dai = asoc_rtd_to_codec(rtd, 0); |
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ret = snd_soc_dai_set_sysclk(aif3_dai, ARIZONA_CLK_SYSCLK, 0, 0); |
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if (ret != 0) { |
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dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret); |
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return ret; |
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} |
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ret = snd_soc_component_set_sysclk(wm9081_dai->component, WM9081_SYSCLK_MCLK, |
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0, SYS_MCLK_RATE, 0); |
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if (ret != 0) { |
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dev_err(wm9081_dai->dev, "Failed to set MCLK: %d\n", ret); |
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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 const struct snd_soc_pcm_stream baseband_params = { |
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.formats = SNDRV_PCM_FMTBIT_S32_LE, |
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.rate_min = 8000, |
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.rate_max = 8000, |
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.channels_min = 2, |
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.channels_max = 2, |
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}; |
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static const struct snd_soc_pcm_stream sub_params = { |
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.formats = SNDRV_PCM_FMTBIT_S32_LE, |
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.rate_min = SYS_AUDIO_RATE, |
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.rate_max = SYS_AUDIO_RATE, |
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.channels_min = 2, |
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.channels_max = 2, |
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}; |
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SND_SOC_DAILINK_DEFS(wm2200_cpu_dsp, |
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DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")), |
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DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")), |
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DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0"))); |
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SND_SOC_DAILINK_DEFS(wm2200_dsp_codec, |
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DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")), |
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DAILINK_COMP_ARRAY(COMP_CODEC("wm2200.1-003a", "wm2200"))); |
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static struct snd_soc_dai_link bells_dai_wm2200[] = { |
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{ |
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.name = "CPU-DSP", |
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.stream_name = "CPU-DSP", |
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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| SND_SOC_DAIFMT_CBM_CFM, |
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SND_SOC_DAILINK_REG(wm2200_cpu_dsp), |
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}, |
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{ |
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.name = "DSP-CODEC", |
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.stream_name = "DSP-CODEC", |
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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| SND_SOC_DAIFMT_CBM_CFM, |
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.params = &sub_params, |
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.ignore_suspend = 1, |
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SND_SOC_DAILINK_REG(wm2200_dsp_codec), |
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}, |
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}; |
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SND_SOC_DAILINK_DEFS(wm5102_cpu_dsp, |
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DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")), |
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DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")), |
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DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0"))); |
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SND_SOC_DAILINK_DEFS(wm5102_dsp_codec, |
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DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")), |
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DAILINK_COMP_ARRAY(COMP_CODEC("wm5102-codec", "wm5102-aif1"))); |
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SND_SOC_DAILINK_DEFS(wm5102_baseband, |
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DAILINK_COMP_ARRAY(COMP_CPU("wm5102-aif2")), |
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DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1"))); |
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SND_SOC_DAILINK_DEFS(wm5102_sub, |
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DAILINK_COMP_ARRAY(COMP_CPU("wm5102-aif3")), |
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DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi"))); |
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static struct snd_soc_dai_link bells_dai_wm5102[] = { |
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{ |
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.name = "CPU-DSP", |
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.stream_name = "CPU-DSP", |
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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| SND_SOC_DAIFMT_CBM_CFM, |
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SND_SOC_DAILINK_REG(wm5102_cpu_dsp), |
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}, |
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{ |
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.name = "DSP-CODEC", |
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.stream_name = "DSP-CODEC", |
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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| SND_SOC_DAIFMT_CBM_CFM, |
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.params = &sub_params, |
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.ignore_suspend = 1, |
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SND_SOC_DAILINK_REG(wm5102_dsp_codec), |
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}, |
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{ |
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.name = "Baseband", |
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.stream_name = "Baseband", |
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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| SND_SOC_DAIFMT_CBM_CFM, |
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.ignore_suspend = 1, |
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.params = &baseband_params, |
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SND_SOC_DAILINK_REG(wm5102_baseband), |
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}, |
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{ |
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.name = "Sub", |
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.stream_name = "Sub", |
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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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.params = &sub_params, |
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SND_SOC_DAILINK_REG(wm5102_sub), |
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}, |
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}; |
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SND_SOC_DAILINK_DEFS(wm5110_cpu_dsp, |
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DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")), |
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DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")), |
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DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0"))); |
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SND_SOC_DAILINK_DEFS(wm5110_dsp_codec, |
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DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")), |
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DAILINK_COMP_ARRAY(COMP_CODEC("wm5110-codec", "wm5110-aif1"))); |
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SND_SOC_DAILINK_DEFS(wm5110_baseband, |
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DAILINK_COMP_ARRAY(COMP_CPU("wm5110-aif2")), |
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DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1"))); |
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SND_SOC_DAILINK_DEFS(wm5110_sub, |
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DAILINK_COMP_ARRAY(COMP_CPU("wm5110-aif3")), |
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DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi"))); |
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static struct snd_soc_dai_link bells_dai_wm5110[] = { |
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{ |
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.name = "CPU-DSP", |
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.stream_name = "CPU-DSP", |
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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| SND_SOC_DAIFMT_CBM_CFM, |
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SND_SOC_DAILINK_REG(wm5110_cpu_dsp), |
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}, |
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{ |
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.name = "DSP-CODEC", |
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.stream_name = "DSP-CODEC", |
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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| SND_SOC_DAIFMT_CBM_CFM, |
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.params = &sub_params, |
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.ignore_suspend = 1, |
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SND_SOC_DAILINK_REG(wm5110_dsp_codec), |
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}, |
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{ |
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.name = "Baseband", |
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.stream_name = "Baseband", |
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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| SND_SOC_DAIFMT_CBM_CFM, |
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.ignore_suspend = 1, |
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.params = &baseband_params, |
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SND_SOC_DAILINK_REG(wm5110_baseband), |
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}, |
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{ |
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.name = "Sub", |
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.stream_name = "Sub", |
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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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.params = &sub_params, |
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SND_SOC_DAILINK_REG(wm5110_sub), |
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}, |
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}; |
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static struct snd_soc_codec_conf bells_codec_conf[] = { |
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{ |
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.dlc = COMP_CODEC_CONF("wm9081.1-006c"), |
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.name_prefix = "Sub", |
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}, |
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}; |
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static struct snd_soc_dapm_widget bells_widgets[] = { |
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SND_SOC_DAPM_MIC("DMIC", NULL), |
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}; |
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static struct snd_soc_dapm_route bells_routes[] = { |
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{ "Sub CLK_SYS", NULL, "OPCLK" }, |
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{ "CLKIN", NULL, "OPCLK" }, |
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{ "DMIC", NULL, "MICBIAS2" }, |
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{ "IN2L", NULL, "DMIC" }, |
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{ "IN2R", NULL, "DMIC" }, |
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}; |
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static struct snd_soc_card bells_cards[] = { |
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{ |
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.name = "Bells WM2200", |
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.owner = THIS_MODULE, |
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.dai_link = bells_dai_wm2200, |
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.num_links = ARRAY_SIZE(bells_dai_wm2200), |
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.codec_conf = bells_codec_conf, |
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.num_configs = ARRAY_SIZE(bells_codec_conf), |
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.late_probe = bells_late_probe, |
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.dapm_widgets = bells_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(bells_widgets), |
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.dapm_routes = bells_routes, |
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.num_dapm_routes = ARRAY_SIZE(bells_routes), |
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.set_bias_level = bells_set_bias_level, |
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.set_bias_level_post = bells_set_bias_level_post, |
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.drvdata = &wm2200_drvdata, |
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}, |
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{ |
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.name = "Bells WM5102", |
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.owner = THIS_MODULE, |
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.dai_link = bells_dai_wm5102, |
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.num_links = ARRAY_SIZE(bells_dai_wm5102), |
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.codec_conf = bells_codec_conf, |
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.num_configs = ARRAY_SIZE(bells_codec_conf), |
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.late_probe = bells_late_probe, |
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.dapm_widgets = bells_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(bells_widgets), |
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.dapm_routes = bells_routes, |
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.num_dapm_routes = ARRAY_SIZE(bells_routes), |
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.set_bias_level = bells_set_bias_level, |
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.set_bias_level_post = bells_set_bias_level_post, |
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.drvdata = &wm5102_drvdata, |
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}, |
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{ |
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.name = "Bells WM5110", |
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.owner = THIS_MODULE, |
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.dai_link = bells_dai_wm5110, |
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.num_links = ARRAY_SIZE(bells_dai_wm5110), |
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.codec_conf = bells_codec_conf, |
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.num_configs = ARRAY_SIZE(bells_codec_conf), |
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.late_probe = bells_late_probe, |
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.dapm_widgets = bells_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(bells_widgets), |
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.dapm_routes = bells_routes, |
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.num_dapm_routes = ARRAY_SIZE(bells_routes), |
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.set_bias_level = bells_set_bias_level, |
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.set_bias_level_post = bells_set_bias_level_post, |
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.drvdata = &wm5110_drvdata, |
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}, |
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}; |
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static int bells_probe(struct platform_device *pdev) |
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{ |
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int ret; |
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bells_cards[pdev->id].dev = &pdev->dev; |
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ret = devm_snd_soc_register_card(&pdev->dev, &bells_cards[pdev->id]); |
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if (ret) |
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dev_err(&pdev->dev, |
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"snd_soc_register_card(%s) failed: %d\n", |
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bells_cards[pdev->id].name, ret); |
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return ret; |
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} |
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static struct platform_driver bells_driver = { |
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.driver = { |
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.name = "bells", |
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.pm = &snd_soc_pm_ops, |
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}, |
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.probe = bells_probe, |
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}; |
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module_platform_driver(bells_driver); |
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MODULE_DESCRIPTION("Bells audio support"); |
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MODULE_AUTHOR("Mark Brown <[email protected]>"); |
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MODULE_LICENSE("GPL"); |
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MODULE_ALIAS("platform:bells");
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