This bug was fixed in the package linux-oem-5.6 - 5.6.0-1021.21
---------------
linux-oem-5.6 (5.6.0-1021.21) focal; urgency=medium
* focal/linux-oem-5.6: 5.6.0-1021.21 -proposed tracker (LP: #1889371)
* Fix right speaker of HP laptop (LP: #1889375)
- SAUCE: hda/realtek: Fix right speaker of HP laptop
* blk_update_request error when mount nvme partition (LP: #1872383)
- SAUCE: nvme-pci: prevent SK hynix PC400 from using Write Zeroes command
* cgroup refcount is bogus when cgroup_sk_alloc is disabled (LP: #1886860)
- cgroup: fix cgroup_sk_alloc() for sk_clone_lock()
- cgroup: Fix sock_cgroup_data on big-endian.
* Add support for Atlantic NIC firmware v4 (LP: #1886908)
- net: atlantic: simplify hw_get_fw_version() usage
- net: atlantic: align return value of ver_match function with function name
- net: atlantic: add support for FW 4.x
* Restart the machine successfully after suspend (LP: #1888375)
- SAUCE: iommu/vt-d: Skip TE disabling on quirky gfx dedicated iommu
- iommu/vt-d: Don't apply gfx quirks to untrusted devices
* Wakeup the system by touching the touchpad (LP: #1888331)
- gpio: gpiolib: Allow GPIO IRQs to lazy disable
- HID: i2c-hid: Enable wakeup capability from Suspend-to-Idle
* soc/amd/renoir: detect dmic from acpi table (LP: #1887734)
- ASoC: amd: add logic to check dmic hardware runtime
- ASoC: amd: add ACPI dependency check
- ASoC: amd: fixed kernel warnings
* [SRU][PATCH 0/1][oem-5.6] fix amd RENOIR screen backlight issue.
(LP: #1886785)
- Revert "drm/amd/display: disable dcn20 abm feature for bring up"
* Enable Quectel EG95 LTE modem [2c7c:0195] (LP: #1886744)
- net: usb: qmi_wwan: add support for Quectel EG95 LTE modem
- USB: serial: option: add Quectel EG95 LTE modem
* soc/amd/renoir: change the module name to make it work with ucm3
(LP: #1888166)
- AsoC: amd: add missing snd- module prefix to the acp3x-rn driver kernel
module
- remove a kernel module since its name is changed
* System stops responding while entering S3 with SD card installed
(LP: #1880519)
- xhci: Return if xHCI doesn't support LPM
- xhci: Poll for U0 after disabling USB2 LPM
* [SRU][F/OEM-5.6] add a new OLED panel support for brightness control
(LP: #1887909)
- drm/dp: Lenovo X13 Yoga OLED panel brightness fix
-- Timo Aaltonen <timo.aalto...@canonical.com> Wed, 29 Jul 2020
21:08:56 +0300
** Changed in: linux-oem-5.6 (Ubuntu Focal)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1888331
Title:
Wakeup the system by touching the touchpad
Status in HWE Next:
New
Status in linux-oem-5.6 package in Ubuntu:
New
Status in linux-oem-5.6 source package in Focal:
Fix Released
Bug description:
[Impact]
Can't wake up by touching the touchpad.
[Fix]
1.gpio: With 'commit 461c1a7d4733 ("gpiolib: override irq_enable/disable")'
gpiolib overrides irqchip's irq_enable and irq_disable callbacks. If
irq_disable
callback is implemented then genirq takes unlazy path to disable irq.
Underlying irqchip
may not want to implement irq_disable callback to lazy disable irq
when client drivers invokes disable_irq(). By overriding irq_disable
callback,
gpiolib ends up always unlazy disabling IRQ.
Allow gpiolib to lazy disable IRQs by overriding irq_disable callback only
if irqchip implemented irq_disable. In cases where irq_disable is not
implemented irq_mask is overridden. Similarly override irq_enable callback
only if irqchip implemented irq_enable otherwise irq_unmask is overridden.
2. hid: Many laptops can be woken up from Suspend-to-Idle by touchpad. This is
also the default behavior on other OSes.
However, if touchpad and touchscreen contact to each other when lid is
closed, wakeup events can be triggered inadventertly.
So let's disable the wakeup by default, but enable the wakeup capability
so users can enable it at their own discretion.
[test]
With the patch and manually enable HID's power/wakeup, the system can wake up
by touching the touchpad.
[Regression Potential]
Low. The two patches are already landed in the upstream.
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