From ce40d4dab117ceead44c3a1e74754eaf34a5c6dc Mon Sep 17 00:00:00 2001 From: Sergei Makarenkov Date: Tue, 7 Feb 2017 23:02:30 +0300 Subject: [PATCH] Enable USB 2.0/3.0 switch for RTL8812AU/21AU --- os_dep/linux/usb_intf.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/os_dep/linux/usb_intf.c b/os_dep/linux/usb_intf.c index 8cd6177..84ffa9f 100644 --- a/os_dep/linux/usb_intf.c +++ b/os_dep/linux/usb_intf.c @@ -625,8 +625,25 @@ static int usb_reprobe_to_usb3(PADAPTER Adapter) struct registry_priv *registry_par = &Adapter->registrypriv; u8 ret = _FALSE; +#if defined(CONFIG_RTL8812A) || defined(CONFIG_RTL8821A) + if (IS_HIGH_SPEED_USB(Adapter)) { + if ((rtw_read8(Adapter, 0x74) & (BIT(2)|BIT(3))) != BIT(3)) { + rtw_write8(Adapter, 0x74, 0x8); + rtw_write8(Adapter, 0x70, 0x2); + rtw_write8(Adapter, 0x3e, 0x1); + rtw_write8(Adapter, 0x3d, 0x3); + /* usb disconnect */ + rtw_write8(Adapter, 0x5, 0x80); + ret = _TRUE; + } + + } else if (IS_SUPER_SPEED_USB(Adapter)) { + rtw_write8(Adapter, 0x70, rtw_read8(Adapter, 0x70) & (~BIT(1))); + rtw_write8(Adapter, 0x3e, rtw_read8(Adapter, 0x3e) & (~BIT(0))); + } +#else rtw_hal_set_hwreg(Adapter, HW_VAR_USB_MODE, &ret); - +#endif return ret; }