** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1739939
Title:
Update Ubuntu-4.15.0 config to support Intel Atom devices
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Bionic:
Fix Committed
Bug description:
After the mainline kernel was patched with 'serdev: Add ACPI support'
(commit 53c7626356c7584e82510d86394a6dcd80525614) and 'serdev: enable
TTY port controller support by default' (commit
22b276a4072087e7b7f1723ccd8a1aa18fab8bbf) and 'Bluetooth: hci_bcm: Add
serdev support' (commit 33cd149e767be9afbab9fcd3d5165a2de62313c8) and
'Bluetooth: avoid silent hci_bcm ACPI PM regression' (commit
4294625e029028854596865be401b9c5c1f906ef) the mainline kernel the
config needs CONFIG_SERIAL_DEV_BUS=m changing to
CONFIG_SERIAL_DEV_BUS=y and both CONFIG_SERIAL_DEV_CTRL_TTYPORT=y and
CONFIG_BT_HCIUART_BCM=y added to keep sound and BT working on Intel
Atom devices.
Currently the latest Ubuntu config for 4.15 (see 0006-configs-based-
on-Ubuntu-4.15.0-2.3.patch) still only has CONFIG_SERIAL_DEV_BUS=m
The config needs to be updated to take into consideration the
implications of the aforementioned patches together with the settings
identified.
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