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The QCA Rome USB Bluetooth controller has several issues once LPM gets enabled: - Fails to get enumerated in coldboot. [1] - Drains more power (~ 0.2W) when the system is in S5. [2] - Disappears after a warmboot. [2] The issue happens because the device lingers at LPM L1 in S5, so device can't get enumerated even after a reboot. Disable LPM at shutdown to solve the issue. [1] https://bugs.launchpad.net/bugs/1757218 [2] https://patchwork.kernel.org/patch/10607097/ Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Link: https://lore.kernel.org/r/20190805142412.23965-1-kai.heng.feng@canonical.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| .. | ||
| buffer.c | ||
| config.c | ||
| devices.c | ||
| devio.c | ||
| driver.c | ||
| endpoint.c | ||
| file.c | ||
| generic.c | ||
| hcd-pci.c | ||
| hcd.c | ||
| hub.c | ||
| hub.h | ||
| Kconfig | ||
| ledtrig-usbport.c | ||
| Makefile | ||
| message.c | ||
| notify.c | ||
| of.c | ||
| otg_whitelist.h | ||
| phy.c | ||
| phy.h | ||
| port.c | ||
| quirks.c | ||
| sysfs.c | ||
| urb.c | ||
| usb-acpi.c | ||
| usb.c | ||
| usb.h | ||