/* * ALSA Soc PCM3008 codec support * * Author: Hugo Villeneuve * Copyright (C) 2008 Lyrtech inc * * Based on AC97 Soc codec, original copyright follow: * Copyright 2005 Wolfson Microelectronics PLC. * * 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. * * Generic PCM3008 support. */ #include <linux/init.h> #include <linux/kernel.h> #include <linux/device.h> #include <linux/gpio.h> #include <linux/slab.h> #include <linux/module.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/initval.h> #include <sound/soc.h> #include "pcm3008.h" static int pcm3008_dac_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); struct pcm3008_setup_data *setup = codec->dev->platform_data; gpio_set_value_cansleep(setup->pdda_pin, SND_SOC_DAPM_EVENT_ON(event)); return 0; } static int pcm3008_adc_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); struct pcm3008_setup_data *setup = codec->dev->platform_data; gpio_set_value_cansleep(setup->pdad_pin, SND_SOC_DAPM_EVENT_ON(event)); return 0; } static const struct snd_soc_dapm_widget pcm3008_dapm_widgets[] = { SND_SOC_DAPM_INPUT("VINL"), SND_SOC_DAPM_INPUT("VINR"), SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, pcm3008_dac_ev, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_ADC_E("ADC", NULL, SND_SOC_NOPM, 0, 0, pcm3008_adc_ev, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_OUTPUT("VOUTL"), SND_SOC_DAPM_OUTPUT("VOUTR"), }; static const struct snd_soc_dapm_route pcm3008_dapm_routes[] = { { "PCM3008 Capture", NULL, "ADC" }, { "ADC", NULL, "VINL" }, { "ADC", NULL, "VINR" }, { "DAC", NULL, "PCM3008 Playback" }, { "VOUTL", NULL, "DAC" }, { "VOUTR", NULL, "DAC" }, }; #define PCM3008_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ SNDRV_PCM_RATE_48000) static struct snd_soc_dai_driver pcm3008_dai = { .name = "pcm3008-hifi", .playback = { .stream_name = "PCM3008 Playback", .channels_min = 1, .channels_max = 2, .rates = PCM3008_RATES, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, .capture = { .stream_name = "PCM3008 Capture", .channels_min = 1, .channels_max = 2, .rates = PCM3008_RATES, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, }; static struct snd_soc_codec_driver soc_codec_dev_pcm3008 = { .component_driver = { .dapm_widgets = pcm3008_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(pcm3008_dapm_widgets), .dapm_routes = pcm3008_dapm_routes, .num_dapm_routes = ARRAY_SIZE(pcm3008_dapm_routes), }, }; static int pcm3008_codec_probe(struct platform_device *pdev) { struct pcm3008_setup_data *setup = pdev->dev.platform_data; int ret; if (!setup) return -EINVAL; /* DEM1 DEM0 DE-EMPHASIS_MODE * Low Low De-emphasis 44.1 kHz ON * Low High De-emphasis OFF * High Low De-emphasis 48 kHz ON * High High De-emphasis 32 kHz ON */ /* Configure DEM0 GPIO (turning OFF DAC De-emphasis). */ ret = devm_gpio_request_one(&pdev->dev, setup->dem0_pin, GPIOF_OUT_INIT_HIGH, "codec_dem0"); if (ret != 0) return ret; /* Configure DEM1 GPIO (turning OFF DAC De-emphasis). */ ret = devm_gpio_request_one(&pdev->dev, setup->dem1_pin, GPIOF_OUT_INIT_LOW, "codec_dem1"); if (ret != 0) return ret; /* Configure PDAD GPIO. */ ret = devm_gpio_request_one(&pdev->dev, setup->pdad_pin, GPIOF_OUT_INIT_LOW, "codec_pdad"); if (ret != 0) return ret; /* Configure PDDA GPIO. */ ret = devm_gpio_request_one(&pdev->dev, setup->pdda_pin, GPIOF_OUT_INIT_LOW, "codec_pdda"); if (ret != 0) return ret; return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_pcm3008, &pcm3008_dai, 1); } static int pcm3008_codec_remove(struct platform_device *pdev) { snd_soc_unregister_codec(&pdev->dev); return 0; } MODULE_ALIAS("platform:pcm3008-codec"); static struct platform_driver pcm3008_codec_driver = { .probe = pcm3008_codec_probe, .remove = pcm3008_codec_remove, .driver = { .name = "pcm3008-codec", }, }; module_platform_driver(pcm3008_codec_driver); MODULE_DESCRIPTION("Soc PCM3008 driver"); MODULE_AUTHOR("Hugo Villeneuve"); MODULE_LICENSE("GPL"); gt;</td><td class='right'>2016-12-26 22:58:19 +0100</td></tr> <tr><th>committer</th><td>Linus Torvalds <torvalds@linux-foundation.org></td><td class='right'>2016-12-26 17:30:24 -0800</td></tr> <tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/soc/codecs?id=b9d9d6911bd5c370ad4b3aa57d758c093d17aed5'>b9d9d6911bd5c370ad4b3aa57d758c093d17aed5</a> (<a href='/cgit.cgi/linux/net-next.git/patch/sound/soc/codecs?id=b9d9d6911bd5c370ad4b3aa57d758c093d17aed5'>patch</a>)</td></tr> <tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=b9d9d6911bd5c370ad4b3aa57d758c093d17aed5'>aa66dffa65f105ab98d5db3707c2262146d7fd8f</a> /<a href='/cgit.cgi/linux/net-next.git/tree/sound/soc/codecs?id=b9d9d6911bd5c370ad4b3aa57d758c093d17aed5'>sound/soc/codecs</a></td></tr> <tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/soc/codecs?id=b4b8664d291ac1998e0f0bcdc96b6397f0fe68b3'>b4b8664d291ac1998e0f0bcdc96b6397f0fe68b3</a> (<a href='/cgit.cgi/linux/net-next.git/diff/sound/soc/codecs?id=b9d9d6911bd5c370ad4b3aa57d758c093d17aed5&id2=b4b8664d291ac1998e0f0bcdc96b6397f0fe68b3'>diff</a>)</td></tr></table> <div class='commit-subject'>smp/hotplug: Undo tglxs brainfart</div><div class='commit-msg'>The attempt to prevent overwriting an active state resulted in a disaster which effectively disables all dynamically allocated hotplug states. Cleanup the mess. Fixes: dc280d936239 ("cpu/hotplug: Prevent overwriting of callbacks") Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de> Reported-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> </div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=b9d9d6911bd5c370ad4b3aa57d758c093d17aed5'>Diffstat</a> (limited to 'sound/soc/codecs')</div><table summary='diffstat' class='diffstat'>