[GIT PULL] sound fixes for 4.16-rc7

From: Takashi Iwai
Date: Fri Mar 23 2018 - 05:42:06 EST

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Linus,

please pull sound fixes for v4.16-rc7 from:

git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git tags/sound-4.16-rc7

The topmost commit is 8e6b1a72a75bb5067ccb6b56d8ca4aa3a300a64e

----------------------------------------------------------------

sound fixes for 4.16-rc7

Things look calming down, but people were still busy to plaster over
small holes:

- Two fixes to harden against races in aloop driver
- A correction of a long-standing bug in USB-audio UAC2 processing
unit parser
- As usual suspects, HD-audio: a workaround for Coffee Lake
controller and a few other device-specific fixes

All small and for stable.

----------------------------------------------------------------

Kailang Yang (2):
ALSA: hda/realtek - Fix Dell headset Mic can't record
ALSA: hda/realtek - Fix speaker no sound after system resume

Kirill Marinushkin (1):
ALSA: usb-audio: Fix parsing descriptor of UAC2 processing unit

Takashi Iwai (4):
ALSA: hda/realtek - Always immediately update mute LED with pin VREF
ALSA: hda - Force polling mode on CFL for fixing codec communication
ALSA: aloop: Sync stale timer before release
ALSA: aloop: Fix access to not-yet-ready substream via cable

---
include/uapi/linux/usb/audio.h | 4 ++--
sound/drivers/aloop.c | 17 +++++++++++++++--
sound/pci/hda/hda_intel.c | 5 +++++
sound/pci/hda/patch_realtek.c | 20 +++++++++++++++++++-
4 files changed, 41 insertions(+), 5 deletions(-)

diff --git a/include/uapi/linux/usb/audio.h b/include/uapi/linux/usb/audio.h
index 17a022c5b414..da3315ed1bcd 100644
--- a/include/uapi/linux/usb/audio.h
+++ b/include/uapi/linux/usb/audio.h
@@ -370,7 +370,7 @@ static inline __u8 uac_processing_unit_bControlSize(struct uac_processing_unit_d
{
return (protocol == UAC_VERSION_1) ?
desc->baSourceID[desc->bNrInPins + 4] :
- desc->baSourceID[desc->bNrInPins + 6];
+ 2; /* in UAC2, this value is constant */
}

static inline __u8 *uac_processing_unit_bmControls(struct uac_processing_unit_descriptor *desc,
@@ -378,7 +378,7 @@ static inline __u8 *uac_processing_unit_bmControls(struct uac_processing_unit_de
{
return (protocol == UAC_VERSION_1) ?
&desc->baSourceID[desc->bNrInPins + 5] :
- &desc->baSourceID[desc->bNrInPins + 7];
+ &desc->baSourceID[desc->bNrInPins + 6];
}

static inline __u8 uac_processing_unit_iProcessing(struct uac_processing_unit_descriptor *desc,
diff --git a/sound/drivers/aloop.c b/sound/drivers/aloop.c
index 0333143a1fa7..1063a4377502 100644
--- a/sound/drivers/aloop.c
+++ b/sound/drivers/aloop.c
@@ -192,6 +192,11 @@ static inline void loopback_timer_stop(struct loopback_pcm *dpcm)
dpcm->timer.expires = 0;
}

+static inline void loopback_timer_stop_sync(struct loopback_pcm *dpcm)
+{
+ del_timer_sync(&dpcm->timer);
+}
+
#define CABLE_VALID_PLAYBACK (1 << SNDRV_PCM_STREAM_PLAYBACK)
#define CABLE_VALID_CAPTURE (1 << SNDRV_PCM_STREAM_CAPTURE)
#define CABLE_VALID_BOTH (CABLE_VALID_PLAYBACK|CABLE_VALID_CAPTURE)
@@ -326,6 +331,8 @@ static int loopback_prepare(struct snd_pcm_substream *substream)
struct loopback_cable *cable = dpcm->cable;
int bps, salign;

+ loopback_timer_stop_sync(dpcm);
+
salign = (snd_pcm_format_width(runtime->format) *
runtime->channels) / 8;
bps = salign * runtime->rate;
@@ -659,7 +666,9 @@ static void free_cable(struct snd_pcm_substream *substream)
return;
if (cable->streams[!substream->stream]) {
/* other stream is still alive */
+ spin_lock_irq(&cable->lock);
cable->streams[substream->stream] = NULL;
+ spin_unlock_irq(&cable->lock);
} else {
/* free the cable */
loopback->cables[substream->number][dev] = NULL;
@@ -698,7 +707,6 @@ static int loopback_open(struct snd_pcm_substream *substream)
loopback->cables[substream->number][dev] = cable;
}
dpcm->cable = cable;
- cable->streams[substream->stream] = dpcm;

snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);

@@ -730,6 +738,11 @@ static int loopback_open(struct snd_pcm_substream *substream)
runtime->hw = loopback_pcm_hardware;
else
runtime->hw = cable->hw;
+
+ spin_lock_irq(&cable->lock);
+ cable->streams[substream->stream] = dpcm;
+ spin_unlock_irq(&cable->lock);
+
unlock:
if (err < 0) {
free_cable(substream);
@@ -744,7 +757,7 @@ static int loopback_close(struct snd_pcm_substream *substream)
struct loopback *loopback = substream->private_data;
struct loopback_pcm *dpcm = substream->runtime->private_data;

- loopback_timer_stop(dpcm);
+ loopback_timer_stop_sync(dpcm);
mutex_lock(&loopback->cable_lock);
free_cable(substream);
mutex_unlock(&loopback->cable_lock);
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index d5017adf9feb..c507c69029e3 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -375,6 +375,7 @@ enum {
((pci)->device == 0x160c))

#define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98)
+#define IS_CFL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa348)

static char *driver_short_names[] = {
[AZX_DRIVER_ICH] = "HDA Intel",
@@ -1744,6 +1745,10 @@ static int azx_create(struct snd_card *card, struct pci_dev *pci,
else
chip->bdl_pos_adj = bdl_pos_adj[dev];

+ /* Workaround for a communication error on CFL (bko#199007) */
+ if (IS_CFL(pci))
+ chip->polling_mode = 1;
+
err = azx_bus_init(chip, model[dev], &pci_hda_io_ops);
if (err < 0) {
kfree(hda);
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 9af301c6bba2..aef1f52db7d9 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -3130,6 +3130,8 @@ static void alc256_init(struct hda_codec *codec)

alc_update_coef_idx(codec, 0x46, 3 << 12, 0);
alc_update_coefex_idx(codec, 0x57, 0x04, 0x0007, 0x4); /* Hight power */
+ alc_update_coefex_idx(codec, 0x53, 0x02, 0x8000, 1 << 15); /* Clear bit */
+ alc_update_coefex_idx(codec, 0x53, 0x02, 0x8000, 0 << 15);
}

static void alc256_shutup(struct hda_codec *codec)
@@ -3596,8 +3598,12 @@ static void alc269_fixup_mic_mute_hook(void *private_data, int enabled)
pinval = snd_hda_codec_get_pin_target(codec, spec->mute_led_nid);
pinval &= ~AC_PINCTL_VREFEN;
pinval |= enabled ? AC_PINCTL_VREF_HIZ : AC_PINCTL_VREF_80;
- if (spec->mute_led_nid)
+ if (spec->mute_led_nid) {
+ /* temporarily power up/down for setting VREF */
+ snd_hda_power_up_pm(codec);
snd_hda_set_pin_ctl_cache(codec, spec->mute_led_nid, pinval);
+ snd_hda_power_down_pm(codec);
+ }
}

/* Make sure the led works even in runtime suspend */
@@ -5497,6 +5503,7 @@ enum {
ALC274_FIXUP_DELL_AIO_LINEOUT_VERB,
ALC298_FIXUP_TPT470_DOCK,
ALC255_FIXUP_DUMMY_LINEOUT_VERB,
+ ALC255_FIXUP_DELL_HEADSET_MIC,
};

static const struct hda_fixup alc269_fixups[] = {
@@ -6357,6 +6364,13 @@ static const struct hda_fixup alc269_fixups[] = {
.chained = true,
.chain_id = ALC255_FIXUP_DELL1_MIC_NO_PRESENCE
},
+ [ALC255_FIXUP_DELL_HEADSET_MIC] = {
+ .type = HDA_FIXUP_PINS,
+ .v.pins = (const struct hda_pintbl[]) {
+ { 0x19, 0x01a1913c }, /* use as headset mic, without its own jack detect */
+ { }
+ },
+ },
};

static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -6411,6 +6425,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1028, 0x082a, "Dell XPS 13 9360", ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE),
SND_PCI_QUIRK(0x1028, 0x084b, "Dell", ALC274_FIXUP_DELL_AIO_LINEOUT_VERB),
SND_PCI_QUIRK(0x1028, 0x084e, "Dell", ALC274_FIXUP_DELL_AIO_LINEOUT_VERB),
+ SND_PCI_QUIRK(0x1028, 0x0871, "Dell Precision 3630", ALC255_FIXUP_DELL_HEADSET_MIC),
+ SND_PCI_QUIRK(0x1028, 0x0872, "Dell Precision 3630", ALC255_FIXUP_DELL_HEADSET_MIC),
SND_PCI_QUIRK(0x1028, 0x0873, "Dell Precision 3930", ALC255_FIXUP_DUMMY_LINEOUT_VERB),
SND_PCI_QUIRK(0x1028, 0x164a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x164b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
@@ -7154,6 +7170,8 @@ static int patch_alc269(struct hda_codec *codec)
break;
case 0x10ec0257:
spec->codec_variant = ALC269_TYPE_ALC257;
+ spec->shutup = alc256_shutup;
+ spec->init_hook = alc256_init;
spec->gen.mixer_nid = 0;
break;
case 0x10ec0215:

Next message: Sean Wang: "Re: [PATCH v4 4/5] pintcrl: support bias-disable of generic and special pins simultaneously"
Previous message: Alexandre Belloni: "Re: [PATCH v1 02/16] dt-bindings: rtc: mediatek: add bindings for PMIC RTC"
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