APPLIED[B]/cmnt: [SRU] [Bionic/Cosmic] [PATCH 0/2] Fix I2C touchpanels' interrupt storms after system suspend
stefan.bader at canonical.com
Mon Oct 1 13:23:38 UTC 2018
On 13.09.2018 10:03, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1792309
> Some I2C touchpanels generate IRQ storm after system suspend/resume.
> After applying the fix, the IRQ storm stops generated by Raydium
> Instead of requesting i2c reset, simply requesting the device to power
> on. The HID over I2C spec doesn't specify how the device should do upon
> resume from suspend, so some devices expect a power on instead of reset.
> [Regression Potential]
> Low. I tested other vendors' touchpanels, didn't observe any side
> AceLan Kao (1):
> HID: i2c-hid: Fix flooded incomplete report after S3 on Rayd
> Kai-Heng Feng (1):
> HID: i2c-hid: Don't reset device upon system resume
> drivers/hid/hid-ids.h | 3 ---
> drivers/hid/i2c-hid/i2c-hid.c | 11 +++++++----
> 2 files changed, 7 insertions(+), 7 deletions(-)
Due to another entry Bionic needed some context adjustments around the quirk
table to apply.
Applied to bionic/master-next. Thanks.
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