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| author | Sean Wang <sean.wang@mediatek.com> | 2022-06-27 07:27:36 +0800 |
|---|---|---|
| committer | Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2022-07-21 17:08:03 -0700 |
| commit | df332800a914e9fd97b83aa63832979227fd8a8d (patch) | |
| tree | f28dcc63d418ae23348b3c470c0e6af1dc41212c /drivers/bluetooth | |
| parent | d7b2fdfb53ea09382941c0a4950dc9b00d51d1c7 (diff) | |
| download | lwn-df332800a914e9fd97b83aa63832979227fd8a8d.tar.gz lwn-df332800a914e9fd97b83aa63832979227fd8a8d.zip | |
Bluetooth: btmtksdio: Add in-band wakeup support
Commit ce64b3e94919 ("Bluetooth: mt7921s: Support wake on bluetooth")
adds the wake on bluethooth via a dedicated GPIO.
Extend the wake-on-bluetooth to use the SDIO DAT1 pin (in-band wakeup),
when supported by the SDIO host driver.
Co-developed-by: Yake Yang <yake.yang@mediatek.com>
Signed-off-by: Yake Yang <yake.yang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Diffstat (limited to 'drivers/bluetooth')
| -rw-r--r-- | drivers/bluetooth/btmtksdio.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index d6700efcfe8c..f9a3444753c2 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -1282,6 +1282,13 @@ err: hci_reset_dev(hdev); } +static bool btmtksdio_sdio_inband_wakeup(struct hci_dev *hdev) +{ + struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); + + return device_may_wakeup(bdev->dev); +} + static bool btmtksdio_sdio_wakeup(struct hci_dev *hdev) { struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); @@ -1349,6 +1356,14 @@ static int btmtksdio_probe(struct sdio_func *func, hdev->shutdown = btmtksdio_shutdown; hdev->send = btmtksdio_send_frame; hdev->wakeup = btmtksdio_sdio_wakeup; + /* + * If SDIO controller supports wake on Bluetooth, sending a wakeon + * command is not necessary. + */ + if (device_can_wakeup(func->card->host->parent)) + hdev->wakeup = btmtksdio_sdio_inband_wakeup; + else + hdev->wakeup = btmtksdio_sdio_wakeup; hdev->set_bdaddr = btmtk_set_bdaddr; SET_HCIDEV_DEV(hdev, &func->dev); |