[PATCH] Bluetooth: btqca: Add valid le states quirk

[Abhishek Pandit-Subedi]

WCN3991 supports connectable advertisements so we need to add the valid
le states quirk so the 'central-peripheral' role is exposed in
userspace.

Signed-off-by: Abhishek Pandit-Subedi <abhishekpan...@chromium.org>
---
Example result showing the central-peripheral role correctly.

localhost # bluetoothctl show
Controller 3C:28:6D:4F:A0:1F (public)
        Name: BlueZ 5.54
        Alias: Chromebook_63FC
        Class: 0x00480000
        Powered: yes
        Discoverable: no
        DiscoverableTimeout: 0x000000b4
        Pairable: yes
        UUID: A/V Remote Control        (0000110e-0000-1000-8000-00805f9b34fb)
        UUID: Audio Source              (0000110a-0000-1000-8000-00805f9b34fb)
        UUID: Handsfree Audio Gateway   (0000111f-0000-1000-8000-00805f9b34fb)
        UUID: PnP Information           (00001200-0000-1000-8000-00805f9b34fb)
        UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
        UUID: Generic Access Profile    (00001800-0000-1000-8000-00805f9b34fb)
        UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
        UUID: Device Information        (0000180a-0000-1000-8000-00805f9b34fb)
        Modalias: bluetooth:v00E0pC405d0057
        Discovering: no
        Roles: central
        Roles: peripheral
        Roles: central-peripheral

 drivers/bluetooth/hci_qca.c | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 244b8feba52327..2d3f1f179a1e3d 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -78,6 +78,7 @@ enum qca_flags {
 
 enum qca_capabilities {
        QCA_CAP_WIDEBAND_SPEECH = BIT(0),
+       QCA_CAP_VALID_LE_STATES = BIT(1),
 };
 
 /* HCI_IBS transmit side sleep protocol states */
@@ -1780,7 +1781,7 @@ static const struct qca_device_data qca_soc_data_wcn3991 
= {
                { "vddch0", 450000 },
        },
        .num_vregs = 4,
-       .capabilities = QCA_CAP_WIDEBAND_SPEECH,
+       .capabilities = QCA_CAP_WIDEBAND_SPEECH | QCA_CAP_VALID_LE_STATES,
 };
 
 static const struct qca_device_data qca_soc_data_wcn3998 = {
@@ -2017,11 +2018,17 @@ static int qca_serdev_probe(struct serdev_device 
*serdev)
                hdev->shutdown = qca_power_off;
        }
 
-       /* Wideband speech support must be set per driver since it can't be
-        * queried via hci.
-        */
-       if (data && (data->capabilities & QCA_CAP_WIDEBAND_SPEECH))
-               set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks);
+       if (data) {
+               /* Wideband speech support must be set per driver since it can't
+                * be queried via hci. Same with the valid le states quirk.
+                */
+               if (data->capabilities & QCA_CAP_WIDEBAND_SPEECH)
+                       set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED,
+                               &hdev->quirks);
+
+               if (data->capabilities & QCA_CAP_VALID_LE_STATES)
+                       set_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks);
+       }
 
        return 0;
 }
-- 
2.28.0.709.gb0816b6eb0-goog