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Bluetooth: btintel: Fix the first HCI command not work with ROM device
authorTedd Ho-Jeong An <tedd.an@intel.com>
Thu, 5 Aug 2021 00:32:12 +0000 (17:32 -0700)
committerMarcel Holtmann <marcel@holtmann.org>
Thu, 5 Aug 2021 14:03:29 +0000 (16:03 +0200)
commitea7c4c0e44ee6d8cdf149af4e4084b16154ef216
tree34f7e2466ea49a53e9860d7d884787017797b137tree | snapshot
parent53492a668e3b9b823fc9a3ba563a5d10fef32c03commit | diff
Bluetooth: btintel: Fix the first HCI command not work with ROM device

The some legacy ROM controllers have a bug with the first HCI command
sent to it returning number of completed commands as zero, which would
stall the command processing in the Bluetooth core.

As a workaround, send HCI Rest command first which will reset the
controller to fix the issue.

Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
drivers/bluetooth/btintel.c diff | blob | history
drivers/bluetooth/btintel.h diff | blob | history
drivers/bluetooth/btusb.c diff | blob | history
Domain: System / Kernel;