From 755336cb89d9507a85518c0bbb55ed1db039c2fa Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 13 Aug 2024 08:02:37 +0000
Subject: [PATCH] 4g /5g
---
kernel/drivers/usb/serial/usb_wwan.c | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/kernel/drivers/usb/serial/usb_wwan.c b/kernel/drivers/usb/serial/usb_wwan.c
index 628a75d..84d4bdf 100644
--- a/kernel/drivers/usb/serial/usb_wwan.c
+++ b/kernel/drivers/usb/serial/usb_wwan.c
@@ -480,6 +480,19 @@
if (intfdata->use_zlp && dir == USB_DIR_OUT)
urb->transfer_flags |= URB_ZERO_PACKET;
+
+#if 1 //Added by Quectel for Zero Packet
+ if (dir == USB_DIR_OUT) {
+ if (serial->dev->descriptor.idVendor == cpu_to_le16(0x05C6) && serial->dev->descriptor.idProduct == cpu_to_le16(0x9090))
+ urb->transfer_flags |= URB_ZERO_PACKET;
+ if (serial->dev->descriptor.idVendor == cpu_to_le16(0x05C6) && serial->dev->descriptor.idProduct == cpu_to_le16(0x9003))
+ urb->transfer_flags |= URB_ZERO_PACKET;
+ if (serial->dev->descriptor.idVendor == cpu_to_le16(0x05C6) && serial->dev->descriptor.idProduct == cpu_to_le16(0x9215))
+ urb->transfer_flags |= URB_ZERO_PACKET;
+ if (serial->dev->descriptor.idVendor == cpu_to_le16(0x2C7C))
+ urb->transfer_flags |= URB_ZERO_PACKET;
+ }
+#endif
return urb;
}
--
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