linux-kernel - [PATCH v2 2/4] Bluetooth: btbcm: Support pcm configuration

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Message-Id: <20191107232713.48577-3-abhishekpandit@chromium.org>
Date:   Thu,  7 Nov 2019 15:27:10 -0800
From:   Abhishek Pandit-Subedi <abhishekpandit@...omium.org>
To:     Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     linux-bluetooth@...r.kernel.org, dianders@...omium.org,
        Abhishek Pandit-Subedi <abhishekpandit@...omium.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/4] Bluetooth: btbcm: Support pcm configuration

Add BCM vendor specific commands to configure PCM.

Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@...omium.org>
---

Changes in v2: None

 drivers/bluetooth/btbcm.c | 35 +++++++++++++++++++++++++++++++++++
 drivers/bluetooth/btbcm.h | 10 ++++++++++
 2 files changed, 45 insertions(+)

diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c
index 2d2e6d862068..f052518f7b0c 100644
--- a/drivers/bluetooth/btbcm.c
+++ b/drivers/bluetooth/btbcm.c
@@ -105,6 +105,41 @@ int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
 }
 EXPORT_SYMBOL_GPL(btbcm_set_bdaddr);
 
+int btbcm_set_pcm_params(struct hci_dev *hdev,
+			 const struct bcm_set_pcm_int_params *int_params,
+			 const struct bcm_set_pcm_format_params *format_params)
+{
+	struct sk_buff *skb;
+	int err;
+
+	if (int_params) {
+		skb = __hci_cmd_sync(hdev, 0xfc1c, 5, int_params,
+				     HCI_INIT_TIMEOUT);
+		if (IS_ERR(skb)) {
+			err = PTR_ERR(skb);
+			bt_dev_err(hdev, "BCM: Set PCM int params failed (%d)",
+				   err);
+			return err;
+		}
+		kfree_skb(skb);
+	}
+
+	if (format_params) {
+		skb = __hci_cmd_sync(hdev, 0xfc1e, 5, format_params,
+				     HCI_INIT_TIMEOUT);
+		if (IS_ERR(skb)) {
+			err = PTR_ERR(skb);
+			bt_dev_err(hdev, "BCM: Set PCM data params failed (%d)",
+				   err);
+			return err;
+		}
+		kfree_skb(skb);
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(btbcm_set_pcm_params);
+
 int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw)
 {
 	const struct hci_command_hdr *cmd;
diff --git a/drivers/bluetooth/btbcm.h b/drivers/bluetooth/btbcm.h
index d204be8a84bf..f0a63c65544e 100644
--- a/drivers/bluetooth/btbcm.h
+++ b/drivers/bluetooth/btbcm.h
@@ -54,6 +54,9 @@ struct bcm_set_pcm_format_params {
 int btbcm_check_bdaddr(struct hci_dev *hdev);
 int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
 int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw);
+int btbcm_set_pcm_params(struct hci_dev *hdev,
+			 const struct bcm_set_pcm_int_params *int_params,
+			 const struct bcm_set_pcm_format_params *format_params);
 
 int btbcm_setup_patchram(struct hci_dev *hdev);
 int btbcm_setup_apple(struct hci_dev *hdev);
@@ -74,6 +77,13 @@ static inline int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
 	return -EOPNOTSUPP;
 }
 
+int btbcm_set_pcm_params(struct hci_dev *hdev,
+			 const struct bcm_set_pcm_int_params *int_params,
+			 const struct bcm_set_pcm_format_params *format_params)
+{
+	return -EOPNOTSUPP;
+}
+
 static inline int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw)
 {
 	return -EOPNOTSUPP;
-- 
2.24.0.rc1.363.gb1bccd3e3d-goog