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| author | Marcel Holtmann | 2013-10-18 21:04:47 +0200 |
|---|---|---|
| committer | Johan Hedberg | 2013-10-19 15:22:52 +0200 |
| commit | 57af75a8cfec8e3c338a8542e54fe26376ea14cf (patch) | |
| tree | d43c42ee0a98a599205b2b2ba3fb0a1cf20428f6 /net/bluetooth/hci_core.c | |
| parent | Bluetooth: Move HCI device features into hci_core.c (diff) | |
| download | kernel-qcow2-linux-57af75a8cfec8e3c338a8542e54fe26376ea14cf.tar.gz kernel-qcow2-linux-57af75a8cfec8e3c338a8542e54fe26376ea14cf.tar.xz kernel-qcow2-linux-57af75a8cfec8e3c338a8542e54fe26376ea14cf.zip | |
Bluetooth: Add workaround for buggy max_page features page value
Some controllers list the max_page value from the extended features
response as 0 when SSP has not yet been enabled. To workaround this
issue, force the max_page value to 1 when SSP support has been
detected.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Diffstat (limited to 'net/bluetooth/hci_core.c')
| -rw-r--r-- | net/bluetooth/hci_core.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 47fcb4983dbb..e445f353353e 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -834,6 +834,14 @@ static void hci_init2_req(struct hci_request *req, unsigned long opt) hci_req_add(req, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL); if (lmp_ssp_capable(hdev)) { + /* When SSP is available, then the host features page + * should also be available as well. However some + * controllers list the max_page as 0 as long as SSP + * has not been enabled. To achieve proper debugging + * output, force the minimum max_page to 1 at least. + */ + hdev->max_page = 0x01; + if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) { u8 mode = 0x01; hci_req_add(req, HCI_OP_WRITE_SSP_MODE, |