This is a note to let you know that I've just added the patch titled
ALSA: hda: fix jack detection with Realtek codecs when in D3
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
alsa-hda-fix-jack-detection-with-realtek-codecs-when-in-d3.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From a6e7d0a4bdb02a7a3ffe0b44aaa8842b7efdd056 Mon Sep 17 00:00:00 2001
From: Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx>
Date: Mon, 12 Oct 2020 13:27:04 +0300
Subject: ALSA: hda: fix jack detection with Realtek codecs when in D3
From: Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx>
commit a6e7d0a4bdb02a7a3ffe0b44aaa8842b7efdd056 upstream.
In case HDA controller becomes active, but codec is runtime suspended,
jack detection is not successful and no interrupt is raised. This has
been observed with multiple Realtek codecs and HDA controllers from
different vendors. Bug does not occur if both codec and controller are
active, or both are in suspend. Bug can be easily hit on desktop systems
with no built-in speaker.
The problem can be fixed by powering up the codec once after every
controller runtime resume. Even if codec goes back to suspend later, the
jack detection will continue to work. Add a flag to 'hda_codec' to
describe codecs that require this flow from the controller driver.
Modify __azx_runtime_resume() to use pm_request_resume() to make the
intent clearer.
Mark all Realtek codecs with the new forced_resume flag.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=209379
Cc: Kailang Yang <kailang@xxxxxxxxxxx>
Co-developed-by: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx>
Signed-off-by: Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20201012102704.794423-1-kai.vehmanen@xxxxxxxxxxxxxxx
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
include/sound/hda_codec.h | 1 +
sound/pci/hda/hda_intel.c | 14 ++++++++------
sound/pci/hda/patch_realtek.c | 1 +
3 files changed, 10 insertions(+), 6 deletions(-)
--- a/include/sound/hda_codec.h
+++ b/include/sound/hda_codec.h
@@ -254,6 +254,7 @@ struct hda_codec {
unsigned int force_pin_prefix:1; /* Add location prefix */
unsigned int link_down_at_suspend:1; /* link down at runtime suspend */
unsigned int relaxed_resume:1; /* don't resume forcibly for jack */
+ unsigned int forced_resume:1; /* forced resume for jack */
#ifdef CONFIG_PM
unsigned long power_on_acct;
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1001,12 +1001,14 @@ static void __azx_runtime_resume(struct
azx_init_pci(chip);
hda_intel_init_chip(chip, true);
- if (status && from_rt) {
- list_for_each_codec(codec, &chip->bus)
- if (!codec->relaxed_resume &&
- (status & (1 << codec->addr)))
- schedule_delayed_work(&codec->jackpoll_work,
- codec->jackpoll_interval);
+ if (from_rt) {
+ list_for_each_codec(codec, &chip->bus) {
+ if (codec->relaxed_resume)
+ continue;
+
+ if (codec->forced_resume || (status & (1 << codec->addr)))
+ pm_request_resume(hda_codec_dev(codec));
+ }
}
/* power down again for link-controlled chips */
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -1141,6 +1141,7 @@ static int alc_alloc_spec(struct hda_cod
codec->single_adc_amp = 1;
/* FIXME: do we need this for all Realtek codec models? */
codec->spdif_status_reset = 1;
+ codec->forced_resume = 1;
codec->patch_ops = alc_patch_ops;
err = alc_codec_rename_from_preset(codec);
Patches currently in stable-queue which might be from kai.vehmanen@xxxxxxxxxxxxxxx are
queue-5.4/alsa-hda-fix-jack-detection-with-realtek-codecs-when-in-d3.patch
queue-5.4/alsa-hda-hdmi-fix-incorrect-locking-in-hdmi_pcm_close.patch
