mirror of
https://github.com/torvalds/linux.git
synced 2024-12-01 08:31:37 +00:00
Merge remote-tracking branches 'asoc/topic/gpio' and 'asoc/topic/intel' into asoc-next
This commit is contained in:
Mark Brown
commit
9713d5d0c4
@ -452,6 +452,9 @@ int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
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#ifdef CONFIG_GPIOLIB
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int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
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struct snd_soc_jack_gpio *gpios);
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int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
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struct snd_soc_jack *jack,
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int count, struct snd_soc_jack_gpio *gpios);
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void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
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struct snd_soc_jack_gpio *gpios);
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#else
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@ -461,6 +464,14 @@ static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
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return 0;
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}
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static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
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struct snd_soc_jack *jack,
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int count,
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struct snd_soc_jack_gpio *gpios)
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{
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return 0;
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}
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static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
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struct snd_soc_jack_gpio *gpios)
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{
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@ -587,8 +598,12 @@ struct snd_soc_jack_zone {
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/**
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* struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
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*
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* @gpio: gpio number
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* @name: gpio name
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* @gpio: legacy gpio number
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* @idx: gpio descriptor index within the function of the GPIO
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* consumer device
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* @gpiod_dev GPIO consumer device
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* @name: gpio name. Also as connection ID for the GPIO consumer
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* device function name lookup
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* @report: value to report when jack detected
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* @invert: report presence in low state
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* @debouce_time: debouce time in ms
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@ -599,6 +614,8 @@ struct snd_soc_jack_zone {
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*/
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struct snd_soc_jack_gpio {
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unsigned int gpio;
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unsigned int idx;
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struct device *gpiod_dev;
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const char *name;
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int report;
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int invert;
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@ -607,6 +624,7 @@ struct snd_soc_jack_gpio {
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struct snd_soc_jack *jack;
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struct delayed_work work;
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struct gpio_desc *desc;
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void *data;
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int (*jack_status_check)(void *data);
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@ -49,3 +49,12 @@ config SND_SOC_INTEL_BYT_RT5640_MACH
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help
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This adds audio driver for Intel Baytrail platform based boards
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with the RT5640 audio codec.
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config SND_SOC_INTEL_BYT_MAX98090_MACH
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tristate "ASoC Audio driver for Intel Baytrail with MAX98090 codec"
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depends on SND_SOC_INTEL_SST && X86_INTEL_LPSS && I2C
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select SND_SOC_INTEL_BAYTRAIL
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select SND_SOC_MAX98090
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help
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This adds audio driver for Intel Baytrail platform based boards
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with the MAX98090 audio codec.
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@ -23,6 +23,8 @@ obj-$(CONFIG_SND_SOC_INTEL_BAYTRAIL) += snd-soc-sst-baytrail-pcm.o
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# Machine support
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snd-soc-sst-haswell-objs := haswell.o
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snd-soc-sst-byt-rt5640-mach-objs := byt-rt5640.o
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snd-soc-sst-byt-max98090-mach-objs := byt-max98090.o
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obj-$(CONFIG_SND_SOC_INTEL_HASWELL_MACH) += snd-soc-sst-haswell.o
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obj-$(CONFIG_SND_SOC_INTEL_BYT_RT5640_MACH) += snd-soc-sst-byt-rt5640-mach.o
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obj-$(CONFIG_SND_SOC_INTEL_BYT_MAX98090_MACH) += snd-soc-sst-byt-max98090-mach.o
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203
sound/soc/intel/byt-max98090.c
Normal file
203
sound/soc/intel/byt-max98090.c
Normal file
@ -0,0 +1,203 @@
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/*
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* Intel Baytrail SST MAX98090 machine driver
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* Copyright (c) 2014, Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/acpi.h>
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#include <linux/device.h>
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#include <linux/gpio.h>
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#include <linux/gpio/consumer.h>
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#include <linux/slab.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 <sound/jack.h>
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#include "../codecs/max98090.h"
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struct byt_max98090_private {
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struct snd_soc_jack jack;
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};
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static const struct snd_soc_dapm_widget byt_max98090_widgets[] = {
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SND_SOC_DAPM_HP("Headphone", 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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SND_SOC_DAPM_SPK("Ext Spk", NULL),
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};
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static const struct snd_soc_dapm_route byt_max98090_audio_map[] = {
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{"IN34", NULL, "Headset Mic"},
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{"IN34", NULL, "MICBIAS"},
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{"MICBIAS", NULL, "Headset Mic"},
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{"DMICL", NULL, "Int Mic"},
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{"Headphone", NULL, "HPL"},
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{"Headphone", NULL, "HPR"},
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{"Ext Spk", NULL, "SPKL"},
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{"Ext Spk", NULL, "SPKR"},
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};
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static const struct snd_kcontrol_new byt_max98090_controls[] = {
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SOC_DAPM_PIN_SWITCH("Headphone"),
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SOC_DAPM_PIN_SWITCH("Headset Mic"),
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SOC_DAPM_PIN_SWITCH("Int Mic"),
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SOC_DAPM_PIN_SWITCH("Ext Spk"),
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};
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static struct snd_soc_jack_pin hs_jack_pins[] = {
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{
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.pin = "Headphone",
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.mask = SND_JACK_HEADPHONE,
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},
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{
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.pin = "Headset Mic",
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.mask = SND_JACK_MICROPHONE,
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},
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{
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.pin = "Ext Spk",
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.mask = SND_JACK_LINEOUT,
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},
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{
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.pin = "Int Mic",
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.mask = SND_JACK_LINEIN,
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},
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};
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static struct snd_soc_jack_gpio hs_jack_gpios[] = {
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{
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.name = "hp-gpio",
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.idx = 0,
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.report = SND_JACK_HEADPHONE | SND_JACK_LINEOUT,
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.debounce_time = 200,
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},
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{
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.name = "mic-gpio",
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.idx = 1,
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.report = SND_JACK_MICROPHONE | SND_JACK_LINEIN,
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.debounce_time = 200,
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},
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};
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static int byt_max98090_init(struct snd_soc_pcm_runtime *runtime)
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{
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int ret;
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struct snd_soc_codec *codec = runtime->codec;
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struct snd_soc_card *card = runtime->card;
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struct byt_max98090_private *drv = snd_soc_card_get_drvdata(card);
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struct snd_soc_jack *jack = &drv->jack;
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card->dapm.idle_bias_off = true;
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ret = snd_soc_dai_set_sysclk(runtime->codec_dai,
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M98090_REG_SYSTEM_CLOCK,
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25000000, SND_SOC_CLOCK_IN);
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if (ret < 0) {
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dev_err(card->dev, "Can't set codec clock %d\n", ret);
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return ret;
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}
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/* Enable jack detection */
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ret = snd_soc_jack_new(codec, "Headphone", SND_JACK_HEADPHONE, jack);
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if (ret)
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return ret;
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ret = snd_soc_jack_add_pins(jack, ARRAY_SIZE(hs_jack_pins),
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hs_jack_pins);
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if (ret)
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return ret;
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ret = snd_soc_jack_add_gpiods(card->dev->parent, jack,
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ARRAY_SIZE(hs_jack_gpios),
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hs_jack_gpios);
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if (ret)
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return ret;
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return max98090_mic_detect(codec, jack);
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}
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static struct snd_soc_dai_link byt_max98090_dais[] = {
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{
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.name = "Baytrail Audio",
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.stream_name = "Audio",
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.cpu_dai_name = "baytrail-pcm-audio",
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.codec_dai_name = "HiFi",
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.codec_name = "i2c-193C9890:00",
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.platform_name = "baytrail-pcm-audio",
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.init = byt_max98090_init,
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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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},
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};
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static struct snd_soc_card byt_max98090_card = {
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.name = "byt-max98090",
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.dai_link = byt_max98090_dais,
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.num_links = ARRAY_SIZE(byt_max98090_dais),
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.dapm_widgets = byt_max98090_widgets,
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.num_dapm_widgets = ARRAY_SIZE(byt_max98090_widgets),
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.dapm_routes = byt_max98090_audio_map,
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.num_dapm_routes = ARRAY_SIZE(byt_max98090_audio_map),
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.controls = byt_max98090_controls,
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.num_controls = ARRAY_SIZE(byt_max98090_controls),
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};
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static int byt_max98090_probe(struct platform_device *pdev)
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{
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int ret_val = 0;
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struct byt_max98090_private *priv;
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priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_ATOMIC);
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if (!priv) {
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dev_err(&pdev->dev, "allocation failed\n");
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return -ENOMEM;
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}
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byt_max98090_card.dev = &pdev->dev;
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snd_soc_card_set_drvdata(&byt_max98090_card, priv);
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ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_max98090_card);
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if (ret_val) {
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dev_err(&pdev->dev,
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"snd_soc_register_card failed %d\n", ret_val);
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return ret_val;
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}
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return ret_val;
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}
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static int byt_max98090_remove(struct platform_device *pdev)
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{
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struct snd_soc_card *card = platform_get_drvdata(pdev);
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struct byt_max98090_private *priv = snd_soc_card_get_drvdata(card);
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snd_soc_jack_free_gpios(&priv->jack, ARRAY_SIZE(hs_jack_gpios),
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hs_jack_gpios);
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return 0;
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}
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static struct platform_driver byt_max98090_driver = {
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.probe = byt_max98090_probe,
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.remove = byt_max98090_remove,
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.driver = {
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.name = "byt-max98090",
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.owner = THIS_MODULE,
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.pm = &snd_soc_pm_ops,
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},
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};
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module_platform_driver(byt_max98090_driver)
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MODULE_DESCRIPTION("ASoC Intel(R) Baytrail Machine driver");
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MODULE_AUTHOR("Omair Md Abdullah, Jarkko Nikula");
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MODULE_LICENSE("GPL v2");
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MODULE_ALIAS("platform:byt-max98090");
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@ -132,43 +132,20 @@ static struct snd_soc_card byt_rt5640_card = {
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.num_dapm_routes = ARRAY_SIZE(byt_rt5640_audio_map),
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};
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#ifdef CONFIG_PM_SLEEP
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static const struct dev_pm_ops byt_rt5640_pm_ops = {
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.suspend = snd_soc_suspend,
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.resume = snd_soc_resume,
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};
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|
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#define BYT_RT5640_PM_OPS (&byt_rt5640_pm_ops)
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#else
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#define BYT_RT5640_PM_OPS NULL
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#endif
|
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|
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static int byt_rt5640_probe(struct platform_device *pdev)
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{
|
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struct snd_soc_card *card = &byt_rt5640_card;
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struct device *dev = &pdev->dev;
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|
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card->dev = &pdev->dev;
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dev_set_drvdata(dev, card);
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return snd_soc_register_card(card);
|
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}
|
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|
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static int byt_rt5640_remove(struct platform_device *pdev)
|
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{
|
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struct snd_soc_card *card = platform_get_drvdata(pdev);
|
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|
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snd_soc_unregister_card(card);
|
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|
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return 0;
|
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return devm_snd_soc_register_card(&pdev->dev, card);
|
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}
|
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|
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static struct platform_driver byt_rt5640_audio = {
|
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.probe = byt_rt5640_probe,
|
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.remove = byt_rt5640_remove,
|
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.driver = {
|
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.name = "byt-rt5640",
|
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.owner = THIS_MODULE,
|
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.pm = BYT_RT5640_PM_OPS,
|
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.pm = &snd_soc_pm_ops,
|
||||
},
|
||||
};
|
||||
module_platform_driver(byt_rt5640_audio)
|
||||
|
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@ -202,18 +202,11 @@ static int haswell_audio_probe(struct platform_device *pdev)
|
||||
{
|
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haswell_rt5640.dev = &pdev->dev;
|
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|
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return snd_soc_register_card(&haswell_rt5640);
|
||||
}
|
||||
|
||||
static int haswell_audio_remove(struct platform_device *pdev)
|
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{
|
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snd_soc_unregister_card(&haswell_rt5640);
|
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return 0;
|
||||
return devm_snd_soc_register_card(&pdev->dev, &haswell_rt5640);
|
||||
}
|
||||
|
||||
static struct platform_driver haswell_audio = {
|
||||
.probe = haswell_audio_probe,
|
||||
.remove = haswell_audio_remove,
|
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.driver = {
|
||||
.name = "haswell-audio",
|
||||
.owner = THIS_MODULE,
|
||||
|
||||
@ -247,6 +247,7 @@ static struct sst_acpi_desc sst_acpi_broadwell_desc = {
|
||||
|
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static struct sst_acpi_mach baytrail_machines[] = {
|
||||
{ "10EC5640", "byt-rt5640", "intel/fw_sst_0f28.bin-i2s_master" },
|
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{ "193C9890", "byt-max98090", "intel/fw_sst_0f28.bin-i2s_master" },
|
||||
{}
|
||||
};
|
||||
|
||||
|
||||
@ -22,7 +22,6 @@
|
||||
#include <linux/export.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/list.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/kthread.h>
|
||||
#include <linux/firmware.h>
|
||||
@ -892,7 +891,7 @@ int sst_byt_dsp_init(struct device *dev, struct sst_pdata *pdata)
|
||||
/* start the IPC message thread */
|
||||
init_kthread_worker(&byt->kworker);
|
||||
byt->tx_thread = kthread_run(kthread_worker_fn,
|
||||
&byt->kworker,
|
||||
&byt->kworker, "%s",
|
||||
dev_name(byt->dev));
|
||||
if (IS_ERR(byt->tx_thread)) {
|
||||
err = PTR_ERR(byt->tx_thread);
|
||||
@ -907,7 +906,7 @@ int sst_byt_dsp_init(struct device *dev, struct sst_pdata *pdata)
|
||||
byt->dsp = sst_dsp_new(dev, &byt_dev, pdata);
|
||||
if (byt->dsp == NULL) {
|
||||
err = -ENODEV;
|
||||
goto err_free_msg;
|
||||
goto dsp_err;
|
||||
}
|
||||
|
||||
/* keep the DSP in reset state for base FW loading */
|
||||
@ -940,6 +939,8 @@ boot_err:
|
||||
sst_fw_free(byt_sst_fw);
|
||||
fw_err:
|
||||
sst_dsp_free(byt->dsp);
|
||||
dsp_err:
|
||||
kthread_stop(byt->tx_thread);
|
||||
err_free_msg:
|
||||
kfree(byt->msg);
|
||||
|
||||
@ -954,6 +955,7 @@ void sst_byt_dsp_free(struct device *dev, struct sst_pdata *pdata)
|
||||
sst_dsp_reset(byt->dsp);
|
||||
sst_fw_free_all(byt->dsp);
|
||||
sst_dsp_free(byt->dsp);
|
||||
kthread_stop(byt->tx_thread);
|
||||
kfree(byt->msg);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(sst_byt_dsp_free);
|
||||
|
||||
@ -180,6 +180,7 @@ static int sst_byt_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
|
||||
|
||||
switch (cmd) {
|
||||
case SNDRV_PCM_TRIGGER_START:
|
||||
pcm_data->hw_ptr = 0;
|
||||
sst_byt_stream_start(byt, pcm_data->stream, 0);
|
||||
break;
|
||||
case SNDRV_PCM_TRIGGER_RESUME:
|
||||
|
||||
@ -25,7 +25,6 @@
|
||||
#include <linux/slab.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/sched.h>
|
||||
#include <linux/list.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/kthread.h>
|
||||
#include <linux/firmware.h>
|
||||
@ -1730,17 +1729,17 @@ int sst_hsw_dsp_init(struct device *dev, struct sst_pdata *pdata)
|
||||
|
||||
ret = msg_empty_list_init(hsw);
|
||||
if (ret < 0)
|
||||
goto list_err;
|
||||
return -ENOMEM;
|
||||
|
||||
/* start the IPC message thread */
|
||||
init_kthread_worker(&hsw->kworker);
|
||||
hsw->tx_thread = kthread_run(kthread_worker_fn,
|
||||
&hsw->kworker,
|
||||
&hsw->kworker, "%s",
|
||||
dev_name(hsw->dev));
|
||||
if (IS_ERR(hsw->tx_thread)) {
|
||||
ret = PTR_ERR(hsw->tx_thread);
|
||||
dev_err(hsw->dev, "error: failed to create message TX task\n");
|
||||
goto list_err;
|
||||
goto err_free_msg;
|
||||
}
|
||||
init_kthread_work(&hsw->kwork, ipc_tx_msgs);
|
||||
|
||||
@ -1750,7 +1749,7 @@ int sst_hsw_dsp_init(struct device *dev, struct sst_pdata *pdata)
|
||||
hsw->dsp = sst_dsp_new(dev, &hsw_dev, pdata);
|
||||
if (hsw->dsp == NULL) {
|
||||
ret = -ENODEV;
|
||||
goto list_err;
|
||||
goto dsp_err;
|
||||
}
|
||||
|
||||
/* keep the DSP in reset state for base FW loading */
|
||||
@ -1794,8 +1793,11 @@ boot_err:
|
||||
sst_fw_free(hsw_sst_fw);
|
||||
fw_err:
|
||||
sst_dsp_free(hsw->dsp);
|
||||
dsp_err:
|
||||
kthread_stop(hsw->tx_thread);
|
||||
err_free_msg:
|
||||
kfree(hsw->msg);
|
||||
list_err:
|
||||
|
||||
return ret;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(sst_hsw_dsp_init);
|
||||
@ -1808,6 +1810,7 @@ void sst_hsw_dsp_free(struct device *dev, struct sst_pdata *pdata)
|
||||
sst_fw_free_all(hsw->dsp);
|
||||
sst_dsp_free(hsw->dsp);
|
||||
kfree(hsw->scratch);
|
||||
kthread_stop(hsw->tx_thread);
|
||||
kfree(hsw->msg);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(sst_hsw_dsp_free);
|
||||
|
||||
@ -17,7 +17,6 @@
|
||||
#include <linux/module.h>
|
||||
#include <linux/dma-mapping.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/delay.h>
|
||||
#include <asm/page.h>
|
||||
#include <asm/pgtable.h>
|
||||
|
||||
@ -14,6 +14,7 @@
|
||||
#include <sound/jack.h>
|
||||
#include <sound/soc.h>
|
||||
#include <linux/gpio.h>
|
||||
#include <linux/gpio/consumer.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/workqueue.h>
|
||||
#include <linux/delay.h>
|
||||
@ -240,7 +241,7 @@ static void snd_soc_jack_gpio_detect(struct snd_soc_jack_gpio *gpio)
|
||||
int enable;
|
||||
int report;
|
||||
|
||||
enable = gpio_get_value_cansleep(gpio->gpio);
|
||||
enable = gpiod_get_value_cansleep(gpio->desc);
|
||||
if (gpio->invert)
|
||||
enable = !enable;
|
||||
|
||||
@ -297,31 +298,50 @@ int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
|
||||
int i, ret;
|
||||
|
||||
for (i = 0; i < count; i++) {
|
||||
if (!gpio_is_valid(gpios[i].gpio)) {
|
||||
dev_err(jack->codec->dev, "ASoC: Invalid gpio %d\n",
|
||||
gpios[i].gpio);
|
||||
ret = -EINVAL;
|
||||
goto undo;
|
||||
}
|
||||
if (!gpios[i].name) {
|
||||
dev_err(jack->codec->dev, "ASoC: No name for gpio %d\n",
|
||||
gpios[i].gpio);
|
||||
dev_err(jack->codec->dev,
|
||||
"ASoC: No name for gpio at index %d\n", i);
|
||||
ret = -EINVAL;
|
||||
goto undo;
|
||||
}
|
||||
|
||||
ret = gpio_request(gpios[i].gpio, gpios[i].name);
|
||||
if (ret)
|
||||
goto undo;
|
||||
if (gpios[i].gpiod_dev) {
|
||||
/* GPIO descriptor */
|
||||
gpios[i].desc = gpiod_get_index(gpios[i].gpiod_dev,
|
||||
gpios[i].name,
|
||||
gpios[i].idx);
|
||||
if (IS_ERR(gpios[i].desc)) {
|
||||
ret = PTR_ERR(gpios[i].desc);
|
||||
dev_err(gpios[i].gpiod_dev,
|
||||
"ASoC: Cannot get gpio at index %d: %d",
|
||||
i, ret);
|
||||
goto undo;
|
||||
}
|
||||
} else {
|
||||
/* legacy GPIO number */
|
||||
if (!gpio_is_valid(gpios[i].gpio)) {
|
||||
dev_err(jack->codec->dev,
|
||||
"ASoC: Invalid gpio %d\n",
|
||||
gpios[i].gpio);
|
||||
ret = -EINVAL;
|
||||
goto undo;
|
||||
}
|
||||
|
||||
ret = gpio_direction_input(gpios[i].gpio);
|
||||
ret = gpio_request(gpios[i].gpio, gpios[i].name);
|
||||
if (ret)
|
||||
goto undo;
|
||||
|
||||
gpios[i].desc = gpio_to_desc(gpios[i].gpio);
|
||||
}
|
||||
|
||||
ret = gpiod_direction_input(gpios[i].desc);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
INIT_DELAYED_WORK(&gpios[i].work, gpio_work);
|
||||
gpios[i].jack = jack;
|
||||
|
||||
ret = request_any_context_irq(gpio_to_irq(gpios[i].gpio),
|
||||
ret = request_any_context_irq(gpiod_to_irq(gpios[i].desc),
|
||||
gpio_handler,
|
||||
IRQF_TRIGGER_RISING |
|
||||
IRQF_TRIGGER_FALLING,
|
||||
@ -331,15 +351,15 @@ int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
|
||||
goto err;
|
||||
|
||||
if (gpios[i].wake) {
|
||||
ret = irq_set_irq_wake(gpio_to_irq(gpios[i].gpio), 1);
|
||||
ret = irq_set_irq_wake(gpiod_to_irq(gpios[i].desc), 1);
|
||||
if (ret != 0)
|
||||
dev_err(jack->codec->dev, "ASoC: "
|
||||
"Failed to mark GPIO %d as wake source: %d\n",
|
||||
gpios[i].gpio, ret);
|
||||
dev_err(jack->codec->dev,
|
||||
"ASoC: Failed to mark GPIO at index %d as wake source: %d\n",
|
||||
i, ret);
|
||||
}
|
||||
|
||||
/* Expose GPIO value over sysfs for diagnostic purposes */
|
||||
gpio_export(gpios[i].gpio, false);
|
||||
gpiod_export(gpios[i].desc, false);
|
||||
|
||||
/* Update initial jack status */
|
||||
schedule_delayed_work(&gpios[i].work,
|
||||
@ -357,6 +377,30 @@ undo:
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(snd_soc_jack_add_gpios);
|
||||
|
||||
/**
|
||||
* snd_soc_jack_add_gpiods - Associate GPIO descriptor pins with an ASoC jack
|
||||
*
|
||||
* @gpiod_dev: GPIO consumer device
|
||||
* @jack: ASoC jack
|
||||
* @count: number of pins
|
||||
* @gpios: array of gpio pins
|
||||
*
|
||||
* This function will request gpio, set data direction and request irq
|
||||
* for each gpio in the array.
|
||||
*/
|
||||
int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
|
||||
struct snd_soc_jack *jack,
|
||||
int count, struct snd_soc_jack_gpio *gpios)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < count; i++)
|
||||
gpios[i].gpiod_dev = gpiod_dev;
|
||||
|
||||
return snd_soc_jack_add_gpios(jack, count, gpios);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(snd_soc_jack_add_gpiods);
|
||||
|
||||
/**
|
||||
* snd_soc_jack_free_gpios - Release GPIO pins' resources of an ASoC jack
|
||||
*
|
||||
@ -372,10 +416,10 @@ void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
|
||||
int i;
|
||||
|
||||
for (i = 0; i < count; i++) {
|
||||
gpio_unexport(gpios[i].gpio);
|
||||
free_irq(gpio_to_irq(gpios[i].gpio), &gpios[i]);
|
||||
gpiod_unexport(gpios[i].desc);
|
||||
free_irq(gpiod_to_irq(gpios[i].desc), &gpios[i]);
|
||||
cancel_delayed_work_sync(&gpios[i].work);
|
||||
gpio_free(gpios[i].gpio);
|
||||
gpiod_put(gpios[i].desc);
|
||||
gpios[i].jack = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user