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[2/3] Bluetooth: btmrvl_sdio: Implement prevent_wake

Message ID 20200610185214.2.I317eb69189c90ed26ba88e996f7df59ee62c2495@changeid (mailing list archive)
State Not Applicable, archived
Headers show
Series Bluetooth: btmrvl_sdio: Refactor remote wakeup support | expand

Commit Message

Abhishek Pandit-Subedi June 11, 2020, 1:53 a.m. UTC 
Use the parent device's power/wakeup to control whether we support
remote wake. If remote wakeup is disabled, Bluetooth will not enable
scanning for incoming connections.

Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
---

 drivers/bluetooth/btmrvl_main.c | 9 +++++++++
 1 file changed, 9 insertions(+)
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Patch

diff --git a/drivers/bluetooth/btmrvl_main.c b/drivers/bluetooth/btmrvl_main.c
index 47e450903af423..8b9d78ce6bb29e 100644
--- a/drivers/bluetooth/btmrvl_main.c
+++ b/drivers/bluetooth/btmrvl_main.c
@@ -587,6 +587,14 @@  static int btmrvl_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
 	return 0;
 }
 
+static bool btmrvl_prevent_wake(struct hci_dev *hdev)
+{
+	struct btmrvl_private *priv = hci_get_drvdata(hdev);
+	struct btmrvl_sdio_card *card = priv->btmrvl_dev.card;
+
+	return !device_may_wakeup(&card->func->dev);
+}
+
 /*
  * This function handles the event generated by firmware, rx data
  * received from firmware, and tx data sent from kernel.
@@ -688,6 +696,7 @@  int btmrvl_register_hdev(struct btmrvl_private *priv)
 	hdev->send  = btmrvl_send_frame;
 	hdev->setup = btmrvl_setup;
 	hdev->set_bdaddr = btmrvl_set_bdaddr;
+	hdev->prevent_wake = btmrvl_prevent_wake;
 	SET_HCIDEV_DEV(hdev, &card->func->dev);
 
 	hdev->dev_type = priv->btmrvl_dev.dev_type;