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Commit 43f8d47e authored by Ian Ray's avatar Ian Ray Committed by Greg Kroah-Hartman
Browse files

cdc-acm: Add DISABLE_ECHO quirk for GE HealthCare UI Controller 



commit 0b00583ecacb0b51712a5ecd34cf7e6684307c67 upstream.

USB_DEVICE(0x1901, 0x0006) may send data before cdc_acm is ready, which
may be misinterpreted in the default N_TTY line discipline.

Signed-off-by: default avatarIan Ray <ian.ray@gehealthcare.com>
Acked-by: default avatarOliver Neuku <oneukum@suse.com>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/20240814072905.2501-1-ian.ray@gehealthcare.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1b1f0890

drivers/usb/class/cdc-acm.c

+3 −0
Original line number Diff line number Diff line
@@ -1807,6 +1807,9 @@ static const struct usb_device_id acm_ids[] = { 
	{ USB_DEVICE(0x11ca, 0x0201), /* VeriFone Mx870 Gadget Serial */

	.driver_info = SINGLE_RX_URB,

	},

	{ USB_DEVICE(0x1901, 0x0006), /* GE Healthcare Patient Monitor UI Controller */

	.driver_info = DISABLE_ECHO, /* DISABLE ECHO in termios flag */

	},

	{ USB_DEVICE(0x1965, 0x0018), /* Uniden UBC125XLT */

	.driver_info = NO_UNION_NORMAL, /* has no union descriptor */

	},