linux-kernel - [PATCH v1 0/5] Support System Suspend and Resume for CS35L41 HDA

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Date:   Tue, 11 Oct 2022 15:35:47 +0100
From:   Stefan Binding <sbinding@...nsource.cirrus.com>
To:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
CC:     <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
        <patches@...nsource.cirrus.com>,
        Stefan Binding <sbinding@...nsource.cirrus.com>
Subject: [PATCH v1 0/5] Support System Suspend and Resume for CS35L41 HDA

The CS35L41 HDA driver currently only supports runtime suspend and resume.
Add support for system suspend and resume into the CS35L41 HDA driver.
The driver will put the parts into a state where they can be powered down
during suspend, and on system resume, it will restore the part.
If firmware was previously loaded, during system suspend, the firmware will
be unloaded, and during system resume, it will be loaded again.

Note: System suspend is only supported for models which use Internal Boost,
or models which use External Boost with a Boost Enable GPIO.

The chain also contains minor bug fixes for the CS35L41 HDA driver, and
associated hda_cs_dsp_ctl driver.

Richard Fitzgerald (1):
  ALSA: hda/cs_dsp_ctl: Fix mutex inversion when creating controls

Stefan Binding (4):
  ALSA: hda: hda_cs_dsp_ctl: Minor clean and redundant code removal
  ALSA: hda: hda_cs_dsp_ctl: Ensure pwr_lock is held before
    reading/writing controls
  ALSA: hda: cs35l41: Remove suspend/resume hda hooks
  ALSA: hda: cs35l41: Support System Suspend

 sound/pci/hda/cs35l41_hda.c    | 197 +++++++++++++++++++++++++--------
 sound/pci/hda/hda_component.h  |   2 -
 sound/pci/hda/hda_cs_dsp_ctl.c |  79 +++++++------
 sound/pci/hda/hda_cs_dsp_ctl.h |   2 +-
 sound/pci/hda/patch_realtek.c  |  19 +---
 5 files changed, 198 insertions(+), 101 deletions(-)

-- 
2.34.1