cregit-Linux how code gets into the kernel

Release 4.11 sound/soc/samsung/lowland.c

/*
 * Lowland audio support
 *
 * Copyright 2011 Wolfson Microelectronics
 *
 * This program is free software; you can redistribute  it and/or modify it
 * under  the terms of  the GNU General  Public License as published by the
 * Free Software Foundation;  either version 2 of the  License, or (at your
 * option) any later version.
 */

#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/jack.h>
#include <linux/gpio.h>
#include <linux/module.h>

#include "../codecs/wm5100.h"
#include "../codecs/wm9081.h"


#define MCLK1_RATE (44100 * 512)

#define CLKOUT_RATE (44100 * 256)


static struct snd_soc_jack lowland_headset;

/* Headset jack detection DAPM pins */

static struct snd_soc_jack_pin lowland_headset_pins[] = {
	{
		.pin = "Headphone",
		.mask = SND_JACK_HEADPHONE | SND_JACK_LINEOUT,
        },
	{
		.pin = "Headset Mic",
		.mask = SND_JACK_MICROPHONE,
        },
};


static int lowland_wm5100_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_codec *codec = rtd->codec; int ret; ret = snd_soc_codec_set_sysclk(codec, WM5100_CLK_SYSCLK, WM5100_CLKSRC_MCLK1, MCLK1_RATE, SND_SOC_CLOCK_IN); if (ret < 0) { pr_err("Failed to set SYSCLK clock source: %d\n", ret); return ret; } /* Clock OPCLK, used by the other audio components. */ ret = snd_soc_codec_set_sysclk(codec, WM5100_CLK_OPCLK, 0, CLKOUT_RATE, 0); if (ret < 0) { pr_err("Failed to set OPCLK rate: %d\n", ret); return ret; } ret = snd_soc_card_jack_new(rtd->card, "Headset", SND_JACK_LINEOUT | SND_JACK_HEADSET | SND_JACK_BTN_0, &lowland_headset, lowland_headset_pins, ARRAY_SIZE(lowland_headset_pins)); if (ret) return ret; wm5100_detect(codec, &lowland_headset); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Mark Brown12995.56%150.00%
Lars-Peter Clausen64.44%150.00%
Total135100.00%2100.00%


static int lowland_wm9081_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_codec *codec = rtd->codec; snd_soc_dapm_nc_pin(&rtd->card->dapm, "LINEOUT"); /* At any time the WM9081 is active it will have this clock */ return snd_soc_codec_set_sysclk(codec, WM9081_SYSCLK_MCLK, 0, CLKOUT_RATE, 0); }

Contributors

PersonTokensPropCommitsCommitProp
Mark Brown4493.62%150.00%
Lars-Peter Clausen36.38%150.00%
Total47100.00%2100.00%

static const struct snd_soc_pcm_stream sub_params = { .formats = SNDRV_PCM_FMTBIT_S32_LE, .rate_min = 44100, .rate_max = 44100, .channels_min = 2, .channels_max = 2, }; static struct snd_soc_dai_link lowland_dai[] = { { .name = "CPU", .stream_name = "CPU", .cpu_dai_name = "samsung-i2s.0", .codec_dai_name = "wm5100-aif1", .platform_name = "samsung-i2s.0", .codec_name = "wm5100.1-001a", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .init = lowland_wm5100_init, }, { .name = "Baseband", .stream_name = "Baseband", .cpu_dai_name = "wm5100-aif2", .codec_dai_name = "wm1250-ev1", .codec_name = "wm1250-ev1.1-0027", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .ignore_suspend = 1, }, { .name = "Sub Speaker", .stream_name = "Sub Speaker", .cpu_dai_name = "wm5100-aif3", .codec_dai_name = "wm9081-hifi", .codec_name = "wm9081.1-006c", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .ignore_suspend = 1, .params = &sub_params, .init = lowland_wm9081_init, }, }; static struct snd_soc_codec_conf lowland_codec_conf[] = { { .dev_name = "wm9081.1-006c", .name_prefix = "Sub", }, }; static const struct snd_kcontrol_new controls[] = { SOC_DAPM_PIN_SWITCH("Main Speaker"), SOC_DAPM_PIN_SWITCH("Main DMIC"), SOC_DAPM_PIN_SWITCH("Main AMIC"), SOC_DAPM_PIN_SWITCH("WM1250 Input"), SOC_DAPM_PIN_SWITCH("WM1250 Output"), SOC_DAPM_PIN_SWITCH("Headphone"), }; static struct snd_soc_dapm_widget widgets[] = { SND_SOC_DAPM_HP("Headphone", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), SND_SOC_DAPM_SPK("Main Speaker", NULL), SND_SOC_DAPM_MIC("Main AMIC", NULL), SND_SOC_DAPM_MIC("Main DMIC", NULL), }; static struct snd_soc_dapm_route audio_paths[] = { { "Sub IN1", NULL, "HPOUT2L" }, { "Sub IN2", NULL, "HPOUT2R" }, { "Main Speaker", NULL, "Sub SPKN" }, { "Main Speaker", NULL, "Sub SPKP" }, { "Main Speaker", NULL, "SPKDAT1" }, }; static struct snd_soc_card lowland = { .name = "Lowland", .owner = THIS_MODULE, .dai_link = lowland_dai, .num_links = ARRAY_SIZE(lowland_dai), .codec_conf = lowland_codec_conf, .num_configs = ARRAY_SIZE(lowland_codec_conf), .controls = controls, .num_controls = ARRAY_SIZE(controls), .dapm_widgets = widgets, .num_dapm_widgets = ARRAY_SIZE(widgets), .dapm_routes = audio_paths, .num_dapm_routes = ARRAY_SIZE(audio_paths), };
static int lowland_probe(struct platform_device *pdev) { struct snd_soc_card *card = &lowland; int ret; card->dev = &pdev->dev; ret = devm_snd_soc_register_card(&pdev->dev, card); if (ret) dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Mark Brown5690.32%150.00%
Tushar Behera69.68%150.00%
Total62100.00%2100.00%

static struct platform_driver lowland_driver = { .driver = { .name = "lowland", .pm = &snd_soc_pm_ops, }, .probe = lowland_probe, }; module_platform_driver(lowland_driver); MODULE_DESCRIPTION("Lowland audio support"); MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:lowland");

Overall Contributors

PersonTokensPropCommitsCommitProp
Mark Brown75897.30%444.44%
Lars-Peter Clausen91.16%222.22%
Tushar Behera60.77%111.11%
Axel Lin50.64%111.11%
Padmavathi Venna10.13%111.11%
Total779100.00%9100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.