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linux/include/sound
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Takashi Iwai c4c8dd6ef8 ALSA: hda: Skip controller resume if not needed 
The HD-audio controller does system-suspend and resume operations by
directly calling its helpers __azx_runtime_suspend() and
__azx_runtime_resume().  However, in general, we don't have to resume
always the device fully at the system resume; typically, if a device
has been runtime-suspended, we can leave it to runtime resume.

Usually for achieving this, the driver would call
pm_runtime_force_suspend() and pm_runtime_force_resume() pairs in the
system suspend and resume ops.  Unfortunately, this doesn't work for
the resume path in our case.  For handling the jack detection at the
system resume, a child codec device may need the (literally) forcibly
resume even if it's been runtime-suspended, and for that, the
controller device must be also resumed even if it's been suspended.

This patch is an attempt to improve the situation.  It replaces the
direct __azx_runtime_suspend()/_resume() calls with with
pm_runtime_force_suspend() and pm_runtime_force_resume() with a slight
trick as we've done for the codec side.  More exactly:

- azx_has_pm_runtime() check is dropped from azx_runtime_suspend() and
  azx_runtime_resume(), so that it can be properly executed from the
  system-suspend/resume path

- The WAKEEN handling depends on the card's power state now; it's set
  and cleared only for the runtime-suspend

- azx_resume() checks whether any codec may need the forcible resume
  beforehand.  If the forcible resume is required, it does temporary
  PM refcount up/down for actually triggering the runtime resume.

- A new helper function, hda_codec_need_resume(), is introduced for
  checking whether the codec needs a forcible runtime-resume, and the
  existing code is rewritten with that.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=207043
Link: https://lore.kernel.org/r/20200413082034.25166-6-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-04-13 18:03:16 +02:00
..
ac97 ASoC: ac97: convert to SPDX identifiers 2018-07-02 10:56:09 +01:00
sof ASoC: SOF: IPC: dai-intel: move ALH declarations in header file 2020-03-27 15:16:30 +00:00
ac97_codec.h ALSA: ac97: Treat snd_ac97_bus_ops as const 2020-01-03 09:24:08 +01:00
aci.h
ad1816a.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
ad1843.h
adau1373.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149 2019-05-30 11:25:18 -07:00
ak4xxx-adda.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
ak4113.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
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ak4117.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
ak4531_codec.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
ak4641.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
alc5623.h
asequencer.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
asound.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
asoundef.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
compress_driver.h ALSA: core: Implement compress page allocation and free routines 2020-02-18 21:52:05 +00:00
control.h ALSA: control: Add verification for kctl accesses 2020-01-04 09:37:59 +01:00
core.h ALSA: core: Add snd_device_get_state() helper 2020-03-23 18:09:19 +01:00
cs35l33.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
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cs35l36.h ASoC: cs35l36: Add support for Cirrus CS35L36 Amplifier 2019-02-08 13:00:28 +00:00
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designware_i2s.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
dmaengine_pcm.h ASoC: pcm_dmaengine: Extract snd_dmaengine_pcm_refine_runtime_hwparams 2019-10-01 12:18:25 +01:00
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hda_chmap.h
hda_codec.h ALSA: hda: Skip controller resume if not needed 2020-04-13 18:03:16 +02:00
hda_component.h i915/snd_hdac: I915 subcomponent for the snd_hdac 2019-02-08 16:58:59 +01:00
hda_hwdep.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 32 2019-05-24 17:27:10 +02:00
hda_i915.h ALSA: hda: Make audio component support more generic 2018-07-17 22:25:48 +02:00
hda_register.h ALSA: hdac: clear link output stream mapping 2019-10-07 03:58:48 +02:00
hda_regmap.h ALSA: hda: Manage concurrent reg access more properly 2020-01-13 13:40:41 +01:00
hda_verbs.h ALSA: hda: add verbs for stripe control 2019-01-14 19:52:23 +01:00
hdaudio_ext.h ALSA: hda: Direct MMIO accesses 2019-08-08 16:36:18 +02:00
hdaudio.h ASoC: SOF: Intel: Account for compress streams when servicing IRQs 2020-02-18 21:52:06 +00:00
hdmi-codec.h ASoC: hdmi-codec: Add an op to set callback function for plug event 2019-09-09 14:50:03 +01:00
hwdep.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
i2c.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
info.h ALSA: info: Make snd_info_entry_ops as const 2020-01-03 09:24:18 +01:00
initval.h ALSA: Allow const arrays for legacy resource management helpers 2020-01-05 16:14:26 +01:00
intel-dsp-config.h ALSA: hda: add Intel DSP configuration / probe code 2019-10-23 06:31:37 +02:00
intel-nhlt.h ALSA: hda: intel-nhlt: handle NHLT VENDOR_DEFINED DMIC geometry 2019-07-31 15:46:00 +02:00
jack.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
l3.h
madera-pdata.h ASoC: madera: Update SPDX headers 2019-06-26 12:27:50 +01:00
max9768.h
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max98095.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
memalloc.h ALSA: memalloc: Drop snd_dma_pci_data() macro 2019-11-11 09:14:07 +01:00
minors.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
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pcm_drm_eld.h
pcm_iec958.h
pcm_oss.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
pcm_params.h ALSA: pcm: More helper macros for reducing snd_pcm_format_t cast 2020-02-10 08:27:08 +01:00
pcm-indirect.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
pcm.h ASoC: Updates for v5.7 2020-03-30 13:43:00 +02:00
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pxa2xx-lib.h ASoC: pxa: remove snd_pcm_ops 2019-10-08 13:47:20 +01:00
rawmidi.h ALSA: rawmidi: Avoid bit fields for state flags 2020-02-14 15:53:19 +01:00
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rt5682.h ASoC: rt5682: Add a property for DMIC delay 2020-03-23 18:17:24 +00:00
s3c24xx_uda134x.h
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seq_midi_emul.h ALSA: seq: Constify struct snd_midi_op 2020-01-03 09:24:19 +01:00
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simple_card_utils.h Merge branch 'for-5.4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-5.5 2019-11-06 16:29:34 +00:00
simple_card.h ASoC: simple-card: convert to SPDX identifiers 2018-07-02 10:52:47 +01:00
snd_wavefront.h
soc-acpi-intel-match.h ASoC: Intel: common: soc-acpi: declare new tables for SoundWire 2020-01-13 15:00:37 +00:00
soc-acpi.h ASoC: soc-acpi: expand description of _ADR-based devices 2020-03-27 15:16:28 +00:00
soc-component.h ASoC: soc-pcm: fix state tracking error in snd_soc_component_open/close() 2020-02-24 21:48:24 +00:00
soc-dai.h ASoC: soc-dai: fix DAI startup/shutdown sequence 2020-03-30 18:22:37 +01:00
soc-dapm.h Merge branch 'for-5.6' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-5.7 2020-02-24 22:26:06 +00:00
soc-dpcm.h ASoC: export DPCM runtime update functions 2020-03-12 13:30:38 +00:00
soc-topology.h ASoC: topology: unload physical dai link in remove 2019-02-04 11:59:30 +01:00
soc.h ASoC: soc-core: add asoc_rtd_to_cpu/codec() macro 2020-03-27 14:44:29 +00:00
sof.h ASoC: SOF: move arch_ops under ops 2019-12-18 20:02:02 +00:00
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