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Date:   Tue, 22 Dec 2020 21:13:47 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Abhishek Pandit-Subedi <abhishekpandit@...omium.org>,
        Marcel Holtmann <marcel@...tmann.org>,
        Sasha Levin <sashal@...nel.org>,
        linux-bluetooth@...r.kernel.org
Subject: [PATCH AUTOSEL 5.10 058/217] Bluetooth: btqca: Add valid le states quirk

From: Abhishek Pandit-Subedi <abhishekpandit@...omium.org>

[ Upstream commit 547801380ec7e6104ea679f599d03c342b4b39a0 ]

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 <abhishekpandit@...omium.org>
Signed-off-by: Marcel Holtmann <marcel@...tmann.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 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 244b8feba5232..2d3f1f179a1e3 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;
 }
-- 
2.27.0

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