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Bluetooth: Controller: Added ISO CH feature bit check in le_create_cis

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Check that the Isochronous Channels (Host Support) feature bit is set
before creating a CIS.

Signed-off-by: Lucas Mathias Balling <lutb@demant.com>
This commit is contained in:
Lucas Mathias Balling 2023-07-13 07:54:46 +02:00 • committed by Fabio Baltieri
commit b8546150a3
1 changed files with 9 additions and 0 deletions
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9
subsys/bluetooth/controller/hci/hci.c
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@ -2121,6 +2121,15 @@ static void le_create_cis(struct net_buf *buf, struct net_buf **evt)
uint8_t status;
uint8_t i;
/*
* Only create a CIS if the Isochronous Channels (Host Support) feature bit
* is set. Refer to BT Spec v5.4 Vol 6 Part B Section 4.6.33.1.
*/
if (!(ll_feat_get() & BIT64(BT_LE_FEAT_BIT_ISO_CHANNELS))) {
*evt = cmd_status(BT_HCI_ERR_CMD_DISALLOWED);
return;
}
/*
* Creating new CISes is disallowed until all previous CIS
* established events have been generated