Merge tag 'sound-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "This became a large update. The changes are scattered widely, and the
  majority of them are attributed to ASoC componentization. The gitk
  output made me dizzy, but it's slightly better than London tube.

  OK, below are some highlights:

   - Continued hardening works in ALSA PCM core; most of the existing
     syzkaller reports should have been covered.

   - USB-audio got the initial USB Audio Class 3 support, as well as
     UAC2 jack detection support and more DSD-device support.

   - ASoC componentization: finally each individual driver was converted
     to components framework, which is more future-proof for further
     works. Most of conversations were systematic.

   - Lots of fixes for Intel Baytrail / Cherrytrail devices with Realtek
     codecs, typically tablets and small PCs.

   - Fixes / cleanups for Samsung Odroid systems

   - Cleanups in Freescale SSI driver

   - New ASoC drivers:
      * AKM AK4458 and AK5558 codecs
      * A few AMD based machine drivers
      * Intel Kabylake machine drivers
      * Maxim MAX9759 codec
      * Motorola CPCAP codec
      * Socionext Uniphier SoCs
      * TI PCM1789 and TDA7419 codecs

   - Retirement of Blackfin drivers along with architecture removal"

* tag 'sound-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (497 commits)
  ALSA: pcm: Fix UAF at PCM release via PCM timer access
  ALSA: usb-audio: silence a static checker warning
  ASoC: tscs42xx: Remove owner assignment from i2c_driver
  ASoC: mediatek: remove "simple-mfd" in the example
  ASoC: cpcap: replace codec to component
  ASoC: Intel: bytcr_rt5651: don't use codec anymore
  ASoC: amd: don't use codec anymore
  ALSA: usb-audio: fix memory leak on cval
  ALSA: pcm: Fix mutex unbalance in OSS emulation ioctls
  ASoC: topology: Fix kcontrol name string handling
  ALSA: aloop: Mark paused device as inactive
  ALSA: usb-audio: update clock valid control
  ALSA: usb-audio: UAC2 jack detection
  ALSA: pcm: Return -EBUSY for OSS ioctls changing busy streams
  ALSA: pcm: Avoid potential races between OSS ioctls and read/write
  ALSA: usb-audio: Integrate native DSD support for ITF-USB based DACs.
  ALSA: usb-audio: FIX native DSD support for TEAC UD-501 DAC
  ALSA: usb-audio: Add native DSD support for Luxman DA-06
  ALSA: usb-audio: fix uac control query argument
  ASoC: nau8824: recover system clock when device changes
  ...

1 files changed, 242 insertions, 0 deletions

diff --git a/sound/soc/codecs/bd28623.c b/sound/soc/codecs/bd28623.c
new file mode 100644
index 000000000000..31904ef5c88b
--- /dev/null
+++ b/sound/soc/codecs/bd28623.c
@@ -0,0 +1,242 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// ROHM BD28623MUV class D speaker amplifier codec driver.
+//
+// Copyright (c) 2018 Socionext Inc.
+
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/regulator/consumer.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+
+#define BD28623_NUM_SUPPLIES    3
+
+static const char *const bd28623_supply_names[BD28623_NUM_SUPPLIES] = {
+	"VCCA",
+	"VCCP1",
+	"VCCP2",
+};
+
+struct bd28623_priv {
+	struct device *dev;
+	struct regulator_bulk_data supplies[BD28623_NUM_SUPPLIES];
+	struct gpio_desc *reset_gpio;
+	struct gpio_desc *mute_gpio;
+
+	int switch_spk;
+};
+
+static const struct snd_soc_dapm_widget bd28623_widgets[] = {
+	SND_SOC_DAPM_DAC("DAC", "Playback", SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_OUTPUT("OUT1P"),
+	SND_SOC_DAPM_OUTPUT("OUT1N"),
+	SND_SOC_DAPM_OUTPUT("OUT2P"),
+	SND_SOC_DAPM_OUTPUT("OUT2N"),
+};
+
+static const struct snd_soc_dapm_route bd28623_routes[] = {
+	{ "OUT1P", NULL, "DAC" },
+	{ "OUT1N", NULL, "DAC" },
+	{ "OUT2P", NULL, "DAC" },
+	{ "OUT2N", NULL, "DAC" },
+};
+
+static int bd28623_power_on(struct bd28623_priv *bd)
+{
+	int ret;
+
+	ret = regulator_bulk_enable(ARRAY_SIZE(bd->supplies), bd->supplies);
+	if (ret) {
+		dev_err(bd->dev, "Failed to enable supplies: %d\n", ret);
+		return ret;
+	}
+
+	gpiod_set_value_cansleep(bd->reset_gpio, 0);
+	usleep_range(300000, 400000);
+
+	return 0;
+}
+
+static void bd28623_power_off(struct bd28623_priv *bd)
+{
+	gpiod_set_value_cansleep(bd->reset_gpio, 1);
+
+	regulator_bulk_disable(ARRAY_SIZE(bd->supplies), bd->supplies);
+}
+
+static int bd28623_get_switch_spk(struct snd_kcontrol *kcontrol,
+				  struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component =
+		snd_soc_kcontrol_component(kcontrol);
+	struct bd28623_priv *bd = snd_soc_component_get_drvdata(component);
+
+	ucontrol->value.integer.value[0] = bd->switch_spk;
+
+	return 0;
+}
+
+static int bd28623_set_switch_spk(struct snd_kcontrol *kcontrol,
+				  struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component =
+		snd_soc_kcontrol_component(kcontrol);
+	struct bd28623_priv *bd = snd_soc_component_get_drvdata(component);
+
+	if (bd->switch_spk == ucontrol->value.integer.value[0])
+		return 0;
+
+	bd->switch_spk = ucontrol->value.integer.value[0];
+
+	gpiod_set_value_cansleep(bd->mute_gpio, bd->switch_spk ? 0 : 1);
+
+	return 0;
+}
+
+static const struct snd_kcontrol_new bd28623_controls[] = {
+	SOC_SINGLE_BOOL_EXT("Speaker Switch", 0,
+			    bd28623_get_switch_spk, bd28623_set_switch_spk),
+};
+
+static int bd28623_codec_probe(struct snd_soc_component *component)
+{
+	struct bd28623_priv *bd = snd_soc_component_get_drvdata(component);
+	int ret;
+
+	bd->switch_spk = 1;
+
+	ret = bd28623_power_on(bd);
+	if (ret)
+		return ret;
+
+	gpiod_set_value_cansleep(bd->mute_gpio, bd->switch_spk ? 0 : 1);
+
+	return 0;
+}
+
+static void bd28623_codec_remove(struct snd_soc_component *component)
+{
+	struct bd28623_priv *bd = snd_soc_component_get_drvdata(component);
+
+	bd28623_power_off(bd);
+}
+
+static int bd28623_codec_suspend(struct snd_soc_component *component)
+{
+	struct bd28623_priv *bd = snd_soc_component_get_drvdata(component);
+
+	bd28623_power_off(bd);
+
+	return 0;
+}
+
+static int bd28623_codec_resume(struct snd_soc_component *component)
+{
+	struct bd28623_priv *bd = snd_soc_component_get_drvdata(component);
+	int ret;
+
+	ret = bd28623_power_on(bd);
+	if (ret)
+		return ret;
+
+	gpiod_set_value_cansleep(bd->mute_gpio, bd->switch_spk ? 0 : 1);
+
+	return 0;
+}
+
+static const struct snd_soc_component_driver soc_codec_bd = {
+	.probe			= bd28623_codec_probe,
+	.remove			= bd28623_codec_remove,
+	.suspend		= bd28623_codec_suspend,
+	.resume			= bd28623_codec_resume,
+	.dapm_widgets		= bd28623_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(bd28623_widgets),
+	.dapm_routes		= bd28623_routes,
+	.num_dapm_routes	= ARRAY_SIZE(bd28623_routes),
+	.controls		= bd28623_controls,
+	.num_controls		= ARRAY_SIZE(bd28623_controls),
+	.idle_bias_on		= 1,
+	.use_pmdown_time	= 1,
+	.endianness		= 1,
+	.non_legacy_dai_naming	= 1,
+};
+
+static struct snd_soc_dai_driver soc_dai_bd = {
+	.name     = "bd28623-speaker",
+	.playback = {
+		.stream_name  = "Playback",
+		.formats      = SNDRV_PCM_FMTBIT_S32_LE |
+				SNDRV_PCM_FMTBIT_S24_LE |
+				SNDRV_PCM_FMTBIT_S16_LE,
+		.rates        = SNDRV_PCM_RATE_48000 |
+				SNDRV_PCM_RATE_44100 |
+				SNDRV_PCM_RATE_32000,
+		.channels_min = 2,
+		.channels_max = 2,
+	},
+};
+
+static int bd28623_probe(struct platform_device *pdev)
+{
+	struct bd28623_priv *bd;
+	struct device *dev = &pdev->dev;
+	int i, ret;
+
+	bd = devm_kzalloc(&pdev->dev, sizeof(struct bd28623_priv), GFP_KERNEL);
+	if (!bd)
+		return -ENOMEM;
+
+	for (i = 0; i < ARRAY_SIZE(bd->supplies); i++)
+		bd->supplies[i].supply = bd28623_supply_names[i];
+
+	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(bd->supplies),
+				      bd->supplies);
+	if (ret) {
+		dev_err(dev, "Failed to get supplies: %d\n", ret);
+		return ret;
+	}
+
+	bd->reset_gpio = devm_gpiod_get_optional(dev, "reset",
+						 GPIOD_OUT_HIGH);
+	if (IS_ERR(bd->reset_gpio)) {
+		dev_err(dev, "Failed to request reset_gpio: %ld\n",
+			PTR_ERR(bd->reset_gpio));
+		return PTR_ERR(bd->reset_gpio);
+	}
+
+	bd->mute_gpio = devm_gpiod_get_optional(dev, "mute",
+						GPIOD_OUT_HIGH);
+	if (IS_ERR(bd->mute_gpio)) {
+		dev_err(dev, "Failed to request mute_gpio: %ld\n",
+			PTR_ERR(bd->mute_gpio));
+		return PTR_ERR(bd->mute_gpio);
+	}
+
+	platform_set_drvdata(pdev, bd);
+	bd->dev = dev;
+
+	return devm_snd_soc_register_component(dev, &soc_codec_bd,
+					       &soc_dai_bd, 1);
+}
+
+static const struct of_device_id bd28623_of_match[] = {
+	{ .compatible = "rohm,bd28623", },
+	{}
+};
+MODULE_DEVICE_TABLE(of, bd28623_of_match);
+
+static struct platform_driver bd28623_codec_driver = {
+	.driver = {
+		.name = "bd28623",
+		.of_match_table = of_match_ptr(bd28623_of_match),
+	},
+	.probe  = bd28623_probe,
+};
+module_platform_driver(bd28623_codec_driver);
+
+MODULE_AUTHOR("Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com>");
+MODULE_DESCRIPTION("ROHM BD28623 speaker amplifier driver");
+MODULE_LICENSE("GPL v2");