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241 lines
5.8 KiB
241 lines
5.8 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Rockchip machine ASoC driver for boards using a RT5645/RT5650 CODEC. |
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* |
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* Copyright (c) 2015, ROCKCHIP CORPORATION. All rights reserved. |
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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 <linux/slab.h> |
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#include <linux/gpio.h> |
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#include <linux/of_gpio.h> |
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#include <linux/delay.h> |
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#include <sound/core.h> |
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#include <sound/jack.h> |
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#include <sound/pcm.h> |
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#include <sound/pcm_params.h> |
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#include <sound/soc.h> |
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#include "rockchip_i2s.h" |
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#include "../codecs/rt5645.h" |
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#define DRV_NAME "rockchip-snd-rt5645" |
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static struct snd_soc_jack headset_jack; |
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static const struct snd_soc_dapm_widget rk_dapm_widgets[] = { |
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SND_SOC_DAPM_HP("Headphones", NULL), |
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SND_SOC_DAPM_SPK("Speakers", 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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}; |
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static const struct snd_soc_dapm_route rk_audio_map[] = { |
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/* Input Lines */ |
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{"DMIC L2", NULL, "Int Mic"}, |
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{"DMIC R2", NULL, "Int Mic"}, |
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{"RECMIXL", NULL, "Headset Mic"}, |
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{"RECMIXR", NULL, "Headset Mic"}, |
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/* Output Lines */ |
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{"Headphones", NULL, "HPOR"}, |
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{"Headphones", NULL, "HPOL"}, |
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{"Speakers", NULL, "SPOL"}, |
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{"Speakers", NULL, "SPOR"}, |
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}; |
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static const struct snd_kcontrol_new rk_mc_controls[] = { |
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SOC_DAPM_PIN_SWITCH("Headphones"), |
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SOC_DAPM_PIN_SWITCH("Speakers"), |
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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 int rk_aif1_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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int ret = 0; |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); |
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struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); |
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int mclk; |
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switch (params_rate(params)) { |
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case 8000: |
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case 16000: |
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case 24000: |
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case 32000: |
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case 48000: |
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case 64000: |
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case 96000: |
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mclk = 12288000; |
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break; |
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case 11025: |
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case 22050: |
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case 44100: |
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case 88200: |
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mclk = 11289600; |
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break; |
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default: |
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return -EINVAL; |
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} |
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ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, |
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SND_SOC_CLOCK_OUT); |
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if (ret < 0) { |
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dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret); |
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return ret; |
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} |
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ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, |
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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 codec clock %d\n", ret); |
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return ret; |
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} |
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return ret; |
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} |
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static int rk_init(struct snd_soc_pcm_runtime *runtime) |
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{ |
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struct snd_soc_card *card = runtime->card; |
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int ret; |
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/* Enable Headset and 4 Buttons Jack detection */ |
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ret = snd_soc_card_jack_new(card, "Headset Jack", |
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SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | |
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SND_JACK_BTN_0 | SND_JACK_BTN_1 | |
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SND_JACK_BTN_2 | SND_JACK_BTN_3, |
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&headset_jack); |
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if (ret) { |
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dev_err(card->dev, "New Headset Jack failed! (%d)\n", ret); |
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return ret; |
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} |
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return rt5645_set_jack_detect(asoc_rtd_to_codec(runtime, 0)->component, |
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&headset_jack, |
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&headset_jack, |
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&headset_jack); |
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} |
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static const struct snd_soc_ops rk_aif1_ops = { |
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.hw_params = rk_aif1_hw_params, |
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}; |
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SND_SOC_DAILINK_DEFS(pcm, |
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DAILINK_COMP_ARRAY(COMP_EMPTY()), |
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DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1")), |
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DAILINK_COMP_ARRAY(COMP_EMPTY())); |
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static struct snd_soc_dai_link rk_dailink = { |
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.name = "rt5645", |
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.stream_name = "rt5645 PCM", |
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.init = rk_init, |
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.ops = &rk_aif1_ops, |
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/* set rt5645 as slave */ |
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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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SND_SOC_DAILINK_REG(pcm), |
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}; |
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static struct snd_soc_card snd_soc_card_rk = { |
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.name = "I2S-RT5650", |
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.owner = THIS_MODULE, |
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.dai_link = &rk_dailink, |
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.num_links = 1, |
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.dapm_widgets = rk_dapm_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets), |
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.dapm_routes = rk_audio_map, |
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.num_dapm_routes = ARRAY_SIZE(rk_audio_map), |
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.controls = rk_mc_controls, |
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.num_controls = ARRAY_SIZE(rk_mc_controls), |
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}; |
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static int snd_rk_mc_probe(struct platform_device *pdev) |
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{ |
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int ret = 0; |
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struct snd_soc_card *card = &snd_soc_card_rk; |
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struct device_node *np = pdev->dev.of_node; |
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/* register the soc card */ |
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card->dev = &pdev->dev; |
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rk_dailink.codecs->of_node = of_parse_phandle(np, |
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"rockchip,audio-codec", 0); |
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if (!rk_dailink.codecs->of_node) { |
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dev_err(&pdev->dev, |
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"Property 'rockchip,audio-codec' missing or invalid\n"); |
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return -EINVAL; |
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} |
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rk_dailink.cpus->of_node = of_parse_phandle(np, |
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"rockchip,i2s-controller", 0); |
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if (!rk_dailink.cpus->of_node) { |
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dev_err(&pdev->dev, |
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"Property 'rockchip,i2s-controller' missing or invalid\n"); |
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ret = -EINVAL; |
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goto put_codec_of_node; |
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} |
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rk_dailink.platforms->of_node = rk_dailink.cpus->of_node; |
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ret = snd_soc_of_parse_card_name(card, "rockchip,model"); |
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if (ret) { |
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dev_err(&pdev->dev, |
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"Soc parse card name failed %d\n", ret); |
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goto put_cpu_of_node; |
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} |
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ret = devm_snd_soc_register_card(&pdev->dev, card); |
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if (ret) { |
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dev_err(&pdev->dev, |
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"Soc register card failed %d\n", ret); |
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goto put_cpu_of_node; |
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} |
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return ret; |
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put_cpu_of_node: |
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of_node_put(rk_dailink.cpus->of_node); |
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rk_dailink.cpus->of_node = NULL; |
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put_codec_of_node: |
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of_node_put(rk_dailink.codecs->of_node); |
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rk_dailink.codecs->of_node = NULL; |
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return ret; |
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} |
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static int snd_rk_mc_remove(struct platform_device *pdev) |
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{ |
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of_node_put(rk_dailink.cpus->of_node); |
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rk_dailink.cpus->of_node = NULL; |
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of_node_put(rk_dailink.codecs->of_node); |
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rk_dailink.codecs->of_node = NULL; |
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return 0; |
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} |
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static const struct of_device_id rockchip_rt5645_of_match[] = { |
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{ .compatible = "rockchip,rockchip-audio-rt5645", }, |
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{}, |
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}; |
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MODULE_DEVICE_TABLE(of, rockchip_rt5645_of_match); |
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static struct platform_driver snd_rk_mc_driver = { |
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.probe = snd_rk_mc_probe, |
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.remove = snd_rk_mc_remove, |
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.driver = { |
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.name = DRV_NAME, |
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.pm = &snd_soc_pm_ops, |
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.of_match_table = rockchip_rt5645_of_match, |
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}, |
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}; |
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module_platform_driver(snd_rk_mc_driver); |
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MODULE_AUTHOR("Xing Zheng <[email protected]>"); |
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MODULE_DESCRIPTION("Rockchip rt5645 machine ASoC driver"); |
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MODULE_LICENSE("GPL v2"); |
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MODULE_ALIAS("platform:" DRV_NAME);
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