** Tags added: oem-priority originate-from-1850265 somerville -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1858761
Title: Dell AIO can't adjust brightness Status in HWE Next: New Status in linux package in Ubuntu: Incomplete Status in linux source package in Bionic: Incomplete Status in linux source package in Disco: Incomplete Status in linux source package in Eoan: Incomplete Status in linux source package in Focal: Incomplete Bug description: [Impact] Found on new platforms that UART require more than 1 second to respond commands in the first 10 seconds after booted. And the first command we send to scalar is dell_uart_get_scalar_status() to tell if scalar is in charge of the backlight, and it always fails to get response because of timeout. [Fix] Adding retry and increasing read timeout for dell_uart_get_scalar_status() [Test] Verified on the target Dell AIO, it can now read the response from scalar. [Regression Potential] Low, adding retry and increasing read timeout doesn't change the code flow. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1858761/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
