cregit-Linux how code gets into the kernel

Release 4.7 sound/soc/samsung/jive_wm8750.c

/* sound/soc/samsung/jive_wm8750.c
 *
 * Copyright 2007,2008 Simtec Electronics
 *
 * Based on sound/soc/pxa/spitz.c
 *      Copyright 2005 Wolfson Microelectronics PLC.
 *      Copyright 2005 Openedhand Ltd.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
*/

#include <linux/module.h>
#include <sound/soc.h>

#include <asm/mach-types.h>

#include "s3c2412-i2s.h"
#include "../codecs/wm8750.h"


static const struct snd_soc_dapm_route audio_map[] = {
	{ "Headphone Jack", NULL, "LOUT1" },
	{ "Headphone Jack", NULL, "ROUT1" },
	{ "Internal Speaker", NULL, "LOUT2" },
	{ "Internal Speaker", NULL, "ROUT2" },
	{ "LINPUT1", NULL, "Line Input" },
	{ "RINPUT1", NULL, "Line Input" },
};


static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_SPK("Internal Speaker", NULL),
	SND_SOC_DAPM_LINE("Line In", NULL),
};


static int jive_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *codec_dai = rtd->codec_dai; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; struct s3c_i2sv2_rate_calc div; unsigned int clk = 0; int ret = 0; switch (params_rate(params)) { case 8000: case 16000: case 48000: case 96000: clk = 12288000; break; case 11025: case 22050: case 44100: clk = 11289600; break; } s3c_i2sv2_iis_calc_rate(&div, NULL, params_rate(params), s3c_i2sv2_get_clock(cpu_dai)); /* set the codec system clock for DAC and ADC */ ret = snd_soc_dai_set_sysclk(codec_dai, WM8750_SYSCLK, clk, SND_SOC_CLOCK_IN); if (ret < 0) return ret; ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C2412_DIV_RCLK, div.fs_div); if (ret < 0) return ret; ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C2412_DIV_PRESCALER, div.clk_div - 1); if (ret < 0) return ret; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
ben dooksben dooks18497.87%375.00%
jassi brarjassi brar42.13%125.00%
Total188100.00%4100.00%

static struct snd_soc_ops jive_ops = { .hw_params = jive_hw_params, }; static struct snd_soc_dai_link jive_dai = { .name = "wm8750", .stream_name = "WM8750", .cpu_dai_name = "s3c2412-i2s", .codec_dai_name = "wm8750-hifi", .platform_name = "s3c2412-i2s", .codec_name = "wm8750.0-001a", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS, .ops = &jive_ops, }; /* jive audio machine driver */ static struct snd_soc_card snd_soc_machine_jive = { .name = "Jive", .owner = THIS_MODULE, .dai_link = &jive_dai, .num_links = 1, .dapm_widgets = wm8750_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(wm8750_dapm_widgets), .dapm_routes = audio_map, .num_dapm_routes = ARRAY_SIZE(audio_map), .fully_routed = true, }; static struct platform_device *jive_snd_device;
static int __init jive_init(void) { int ret; if (!machine_is_jive()) return 0; printk("JIVE WM8750 Audio support\n"); jive_snd_device = platform_device_alloc("soc-audio", -1); if (!jive_snd_device) return -ENOMEM; platform_set_drvdata(jive_snd_device, &snd_soc_machine_jive); ret = platform_device_add(jive_snd_device); if (ret) platform_device_put(jive_snd_device); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
ben dooksben dooks7198.61%150.00%
liam girdwoodliam girdwood11.39%150.00%
Total72100.00%2100.00%


static void __exit jive_exit(void) { platform_device_unregister(jive_snd_device); }

Contributors

PersonTokensPropCommitsCommitProp
ben dooksben dooks14100.00%1100.00%
Total14100.00%1100.00%

module_init(jive_init); module_exit(jive_exit); MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>"); MODULE_DESCRIPTION("ALSA SoC Jive Audio support"); MODULE_LICENSE("GPL");

Overall Contributors

PersonTokensPropCommitsCommitProp
ben dooksben dooks46487.22%321.43%
mark brownmark brown264.89%214.29%
lars-peter clausenlars-peter clausen142.63%214.29%
liam girdwoodliam girdwood132.44%17.14%
axel linaxel lin61.13%214.29%
jassi brarjassi brar50.94%214.29%
paul gortmakerpaul gortmaker30.56%17.14%
padmavathi vennapadmavathi venna10.19%17.14%
Total532100.00%14100.00%
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