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Message-Id: <20220119061723.2862683-3-adeep@lexina.in> Date: Wed, 19 Jan 2022 09:17:25 +0300 From: Vyacheslav Bocharov <adeep@...ina.in> To: marcel@...tmann.org, johan.hedberg@...il.com, luiz.dentz@...il.com Cc: linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH v4 2/2] Bluetooth: hci_h5: Add power reset via gpio in h5_btrtl_open Add power reset via enable-gpios in h5_btrtl_open function. Signed-off-by: Vyacheslav Bocharov <adeep@...ina.in> --- drivers/bluetooth/hci_h5.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c index 34286ffe0568..fdf504b0d265 100644 --- a/drivers/bluetooth/hci_h5.c +++ b/drivers/bluetooth/hci_h5.c @@ -966,6 +966,11 @@ static void h5_btrtl_open(struct h5 *h5) pm_runtime_enable(&h5->hu->serdev->dev); } + /* The controller needs reset to startup */ + gpiod_set_value_cansleep(h5->enable_gpio, 0); + gpiod_set_value_cansleep(h5->device_wake_gpio, 0); + msleep(100); + /* The controller needs up to 500ms to wakeup */ gpiod_set_value_cansleep(h5->enable_gpio, 1); gpiod_set_value_cansleep(h5->device_wake_gpio, 1); -- 2.30.2
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