evidence: publish HP ENVY HDA records
Source-Sha: df779aa3e2cdb4774c0012b2f4f44791307634c6 Policy-Sha: 4c7fb444a162068e847747dd5a03c057631225e8eb05e44d0e358eae6c4e4266 Tree-Digest: 1c9cc7ba9fa0cdc70bcfa82d4eda9a4dbec0a391b9106858d0f69b944ac7cdb7
This commit is contained in:
Casey Tunturi
commit
4ce9e03773
44 changed files with 51208 additions and 0 deletions
60
results/sep11-standard-reset/experiment-probe.log
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60
results/sep11-standard-reset/experiment-probe.log
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@ -0,0 +1,60 @@
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Running as unit: hp27-reset-L-probe-20260911.service
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Baseline before test
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2026-09-11T08:45:55-04:00
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04 00 00 00 14 00 00 00 03 00 00 00 47 4e 55 00
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b6 ce b1 92 17 b7 7e 67 0e 93 a0 10 d5 a2 6b 56
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9d 08 ac 26
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0 [PCH ]: HDA-Intel - HDA Intel PCH
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HDA Intel PCH at 0xdf320000 irq 134
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00-00: CX20753/4 Analog : CX20753/4 Analog : playback 1 : capture 1
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00-03: HDMI 0 : HDMI 0 : playback 1
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00-07: HDMI 1 : HDMI 1 : playback 1
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00-08: HDMI 2 : HDMI 2 : playback 1
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Codec: Conexant CX20753/4
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Address: 0
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AFG Function Id: 0x1 (unsol 1)
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Vendor Id: 0x14f15111
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Subsystem Id: 0x14f10101
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Revision Id: 0x100100
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Codec: Intel Skylake HDMI
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Address: 2
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AFG Function Id: 0x1 (unsol 0)
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Vendor Id: 0x80862809
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Subsystem Id: 0x80860101
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Revision Id: 0x100000
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on
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Loading L standard-reset experiment
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2026-09-11T08:46:34-04:00
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04 00 00 00 14 00 00 00 03 00 00 00 47 4e 55 00
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c8 45 2c 05 6a f2 70 3f 4f 09 ae 19 a6 11 a7 51
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6c 57 ca 64
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0 [PCH ]: HDA-Intel - HDA Intel PCH
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HDA Intel PCH at 0xdf320000 irq 134
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00-03: HDMI 0 : HDMI 0 : playback 1
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00-07: HDMI 1 : HDMI 1 : playback 1
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00-08: HDMI 2 : HDMI 2 : playback 1
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Codec: Intel Skylake HDMI
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Address: 2
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AFG Function Id: 0x1 (unsol 0)
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Vendor Id: 0x80862809
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Subsystem Id: 0x80860101
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Revision Id: 0x100000
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on
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Sep 11 08:46:26 fedora kernel: snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops intel_audio_component_bind_ops [i915])
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Sep 11 08:46:26 fedora kernel: snd_hda_intel 0000:00:1f.3: hp27-L: reset=0 pm_prepared=0 status=0x0 stopped=0x0 after=0x4 mask=0x4->0x4 gctl=0x1
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Sep 11 08:46:26 fedora kernel: input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input54
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Sep 11 08:46:26 fedora kernel: input: HDA Intel PCH HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input55
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Sep 11 08:46:26 fedora kernel: input: HDA Intel PCH HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input56
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Sep 11 08:46:34 fedora kernel: snd_hda_intel 0000:00:1f.3: spurious response 0x233:0x2, last cmd=0x201f0500
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Sep 11 08:46:34 fedora kernel: snd_hda_intel 0000:00:1f.3: spurious response 0x233:0x2, last cmd=0x201f0500
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Sep 11 08:46:35 fedora kernel: snd_hda_intel 0000:00:1f.3: azx_get_response timeout, switching to polling mode: last cmd=0x201f0500
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Sep 11 08:46:36 fedora kernel: snd_hda_intel 0000:00:1f.3: No response from codec, disabling MSI: last cmd=0x201f0500
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Sep 11 08:46:37 fedora kernel: snd_hda_intel 0000:00:1f.3: azx_get_response timeout, switching to single_cmd mode: last cmd=0x201f0500
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Restoring verified K module
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rmmod: ERROR: Module snd_hda_intel is in use
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RECOVERY FAILED: driver still in use
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Finished with result: exit-code
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Main processes terminated with: code=exited, status=90/n/a
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Service runtime: 42.536s
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CPU time consumed: 226ms
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Memory peak: 3.6M (swap: 0B)
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80
results/sep11-standard-reset/probe-standard-reset.sh
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80
results/sep11-standard-reset/probe-standard-reset.sh
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#!/usr/bin/env bash
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set -euo pipefail
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baseline=/lib/modules/7.1.4-100.fc43.x86_64/updates/snd-hda-intel.ko
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candidate=/lib/modules/hp27-experiment-L-wkJWVQET/snd-hda-intel.ko
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expected=d7683f3e64a65614b53dd658343e6e80bfe76a5efd268cc87fbc2e69b7ba6115
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audio_uid=$(id -u TARGET_USER)
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removed=0
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userctl() { runuser -u TARGET_USER -- env XDG_RUNTIME_DIR="/run/user/$audio_uid" systemctl --user "$@"; }
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services=(pipewire.service pipewire.socket wireplumber.service pipewire-pulse.service pipewire-pulse.socket)
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snapshot() {
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date --iso-8601=seconds
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od -An -tx1 /sys/module/snd_hda_intel/notes/.note.gnu.build-id
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cat /proc/asound/cards /proc/asound/pcm
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for codec in /proc/asound/card*/codec*; do
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if test -f "$codec"; then head -n 6 "$codec"; fi
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done
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cat /sys/bus/pci/devices/0000:00:1f.3/power/control
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}
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unload_controller() { if test -e /sys/bus/pci/drivers/snd_hda_intel/0000:00:1f.3; then printf "%s" 0000:00:1f.3 > /sys/bus/pci/drivers/snd_hda_intel/unbind; fi; rmmod snd_hda_intel; }
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recover() {
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result=$?
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trap - EXIT HUP INT TERM
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set +e
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if test "$removed" = 0; then
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systemctl start alsa-state.service
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userctl start "${services[@]}"
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echo 'K was not unloaded; audio services restored'
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exit "$result"
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fi
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echo 'Restoring verified K module'
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if test -d /sys/module/snd_hda_intel; then
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if ! unload_controller; then
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echo 'RECOVERY FAILED: driver still in use'
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systemctl start alsa-state.service
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userctl start "${services[@]}"
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exit 90
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fi
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fi
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if ! modprobe snd_hda_intel; then
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echo 'RECOVERY FAILED: K could not load'
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systemctl start alsa-state.service
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userctl start "${services[@]}"
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exit 91
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fi
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sleep 5
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snapshot
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systemctl start alsa-state.service
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userctl start "${services[@]}"
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if ! grep -q 'Codec: Conexant CX20753/4' /proc/asound/card*/codec\#0; then
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echo 'RECOVERY FAILED: Conexant absent'
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exit 92
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fi
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echo 'K restored; Conexant enumerated; audio services restarted'
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exit "$result"
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}
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test "$(id -u)" = 0
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test "$(uname -r)" = 7.1.4-100.fc43.x86_64
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test "$(cat /sys/bus/pci/devices/0000:00:1f.3/vendor)" = 0x8086
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test "$(cat /sys/bus/pci/devices/0000:00:1f.3/device)" = 0xa170
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test "$(cat /sys/bus/pci/devices/0000:00:1f.3/subsystem_vendor)" = 0x103c
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test "$(cat /sys/bus/pci/devices/0000:00:1f.3/subsystem_device)" = 0x2b3e
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test "$(sha256sum "$baseline" | cut -d ' ' -f 1)" = "$expected"
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test "$(sha256sum /lib/modules/7.1.4-100.fc43.x86_64/updates/snd-hda-intel.ko | cut -d ' ' -f 1)" = "$expected"
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test -s "$candidate"
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test "$(modinfo -F vermagic "$candidate")" = "$(modinfo -F vermagic "$baseline")"
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echo 'Baseline before test'
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snapshot
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trap recover EXIT
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trap 'exit 129' HUP
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trap 'exit 130' INT
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trap 'exit 143' TERM
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userctl stop "${services[@]}"
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systemctl stop alsa-state.service
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unload_controller
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removed=1
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echo 'Loading L standard-reset experiment'
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insmod "$candidate"
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sleep 8
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snapshot
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journalctl -b -k --since '-1 minute' --no-pager
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15
results/sep11-standard-reset/restored-K.log
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15
results/sep11-standard-reset/restored-K.log
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2026-09-11T08:48:26-04:00
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00-00: CX20753/4 Analog : CX20753/4 Analog : playback 1 : capture 1
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00-03: HDMI 0 : HDMI 0 : playback 1
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00-07: HDMI 1 : HDMI 1 : playback 1
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00-08: HDMI 2 : HDMI 2 : playback 1
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04 00 00 00 14 00 00 00 03 00 00 00 47 4e 55 00
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b6 ce b1 92 17 b7 7e 67 0e 93 a0 10 d5 a2 6b 56
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9d 08 ac 26
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active
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active
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active
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active
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active
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active
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d7683f3e64a65614b53dd658343e6e80bfe76a5efd268cc87fbc2e69b7ba6115 /lib/modules/7.1.4-100.fc43.x86_64/updates/snd-hda-intel.ko
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56
results/sep11-standard-reset/standard-reset.patch
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results/sep11-standard-reset/standard-reset.patch
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@ -0,0 +1,56 @@
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--- intel.c
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+++ intel.c
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@@ -998,31 +998,22 @@
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-static u16 hp_envy_27_reset_link(struct azx *chip)
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-{
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- struct hdac_bus *bus = azx_bus(chip);
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- u32 gctl;
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- u16 statests;
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- int timeout;
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-
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- snd_hdac_bus_stop_chip(bus);
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-
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- gctl = snd_hdac_chip_readl(bus, GCTL);
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- snd_hdac_chip_writel(bus, GCTL, gctl & ~AZX_GCTL_RESET);
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- for (timeout = 250; timeout; timeout--) {
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- if (!(snd_hdac_chip_readl(bus, GCTL) & AZX_GCTL_RESET))
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- break;
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- udelay(1);
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- }
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-
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- gctl = snd_hdac_chip_readl(bus, GCTL);
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- snd_hdac_chip_writel(bus, GCTL, gctl | AZX_GCTL_RESET);
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- for (timeout = 250; timeout; timeout--) {
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- if (snd_hdac_chip_readl(bus, GCTL) & AZX_GCTL_RESET)
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- break;
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- udelay(1);
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- }
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-
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- statests = snd_hdac_chip_readw(bus, STATESTS);
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- bus->codec_mask |= statests;
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- snd_hdac_bus_init_chip(bus, false);
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-
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- return statests;
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-}
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+static u16 hp_envy_27_reset_link(struct azx *chip)
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+{
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+ struct hdac_bus *bus = azx_bus(chip);
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+ u16 before, stopped, statests;
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+ unsigned long mask = bus->codec_mask;
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+ int err;
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+
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+ before = snd_hdac_chip_readw(bus, STATESTS);
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+ snd_hdac_bus_stop_chip(bus);
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+ stopped = snd_hdac_chip_readw(bus, STATESTS);
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+
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+ err = snd_hdac_bus_reset_link(bus, true);
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+ statests = snd_hdac_chip_readw(bus, STATESTS);
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+ bus->codec_mask |= statests;
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+ dev_info(chip->card->dev,
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+ "hp27-L: reset=%d pm_prepared=%u status=%#x stopped=%#x after=%#x mask=%#lx->%#lx gctl=%#x\n",
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+ err, chip->pm_prepared, before, stopped, statests,
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+ mask, bus->codec_mask, snd_hdac_chip_readl(bus, GCTL));
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+ snd_hdac_bus_init_chip(bus, false);
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+
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+ return err ? 0 : statests;
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+}
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