33 lines
1.0 KiB
Diff
33 lines
1.0 KiB
Diff
From 9acbe79e6e546c216dff1bc9b45d7262c5952b6c Mon Sep 17 00:00:00 2001
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From: Vyacheslav Bocharov <adeep@lexina.in>
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Date: Tue, 19 Oct 2021 12:46:06 +0300
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Subject: [PATCH 2/2] Bluetooth: hci_h5: Add power reset via gpio in
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h5_btrtl_open
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Add power reset via enable-gpios in h5_btrtl_open function.
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Signed-off-by: Vyacheslav Bocharov <adeep@lexina.in>
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---
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drivers/bluetooth/hci_h5.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c
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index 0c0dedece59c..ab7c929cc25d 100644
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--- a/drivers/bluetooth/hci_h5.c
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+++ b/drivers/bluetooth/hci_h5.c
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@@ -968,6 +968,11 @@ static void h5_btrtl_open(struct h5 *h5)
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SUSPEND_TIMEOUT_MS);
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pm_runtime_enable(&h5->hu->serdev->dev);
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+ /* The controller needs reset to startup */
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+ gpiod_set_value_cansleep(h5->enable_gpio, 0);
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+ gpiod_set_value_cansleep(h5->device_wake_gpio, 0);
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+ msleep(100);
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+
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/* The controller needs up to 500ms to wakeup */
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gpiod_set_value_cansleep(h5->enable_gpio, 1);
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gpiod_set_value_cansleep(h5->device_wake_gpio, 1);
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--
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2.30.2
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