** Description changed: [Impact] With RTL8852BE and "Control WLAN radio" (in Dell BIOS setting) on, wifi function is not be disabled when we plug in the Ethernet cable. The issue is because the rtw89 driver doesn't have the hardware rfkill mechanism. [Fix] Backport the Realtek patch in linux-next: 0b38e6277aed wifi: rtw89: add support for hardware rfkill This patch also adds the rfkill functionalities to RTL8852BT, which is currently - not supported by Ubuntu kernels. So we omit the modification on + not supported by Ubuntu kernels. So we omit the modification on drivers/net/wireless/realtek/rtw89/rtw8852bt.c. [Test Plan] 1. Enable Control WLAN radio in BIOS setting 2. Boot into OS 2. Plug in Ethernet cable - 3. On success, the WiFi icon in Gnome GUI should be disappeared in few seconds. + 3. Run `rfkill list` and see if the `phy0` is hard blocked (hard blocked: yes on + success) [Where problems could occur] - This patch adds the functionality of hardware rfkill by continuously polling the register of GPIO pin status and determines whether to shutdown the device based on the value read. If the register read is somehow buggy, it may cause that the + This patch adds the functionality of hardware rfkill by continuously polling the register of GPIO pin status and determines whether to shutdown the device based on the value read. If the register read is somehow buggy, it may cause that the device is shutdown unexpectedly.
** Description changed: [Impact] With RTL8852BE and "Control WLAN radio" (in Dell BIOS setting) on, wifi function is not be disabled when we plug in the Ethernet cable. The issue is because the rtw89 driver doesn't have the hardware rfkill mechanism. [Fix] Backport the Realtek patch in linux-next: 0b38e6277aed wifi: rtw89: add support for hardware rfkill This patch also adds the rfkill functionalities to RTL8852BT, which is currently not supported by Ubuntu kernels. So we omit the modification on drivers/net/wireless/realtek/rtw89/rtw8852bt.c. [Test Plan] 1. Enable Control WLAN radio in BIOS setting 2. Boot into OS 2. Plug in Ethernet cable 3. Run `rfkill list` and see if the `phy0` is hard blocked (hard blocked: yes on success) [Where problems could occur] - This patch adds the functionality of hardware rfkill by continuously polling the register of GPIO pin status and determines whether to shutdown the device based on the value read. If the register read is somehow buggy, it may cause that the - device is shutdown unexpectedly. + This patch adds the functionality of hardware rfkill by continuously polling the register of GPIO pin status and determines whether to block the device based on the value read. If the register read is somehow buggy, it may cause that the + device is blocked unexpectedly. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2077384 Title: rtw89: Support hardware rfkill To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/2077384/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
