@@ -335,8 +335,8 @@ static const uint8_t qemu_ccid_descriptor[] = {
*/
0x07, /* u8 bVoltageSupport; 01h - 5.0v, 02h - 3.0, 03 - 1.8 */
- 0x03, 0x00, /* u32 dwProtocols; RRRR PPPP. RRRR = 0000h.*/
- 0x00, 0x00, /* PPPP: 0001h = Protocol T=0, 0002h = Protocol T=1 */
+ 0x00, 0x00, /* u32 dwProtocols; RRRR PPPP. RRRR = 0000h.*/
+ 0x01, 0x00, /* PPPP: 0001h = Protocol T=0, 0002h = Protocol T=1 */
/* u32 dwDefaultClock; in kHZ (0x0fa0 is 4 MHz) */
0xa0, 0x0f, 0x00, 0x00,
/* u32 dwMaximumClock; */
@@ -875,7 +875,7 @@ static const CCID_ProtocolDataStructure defaultProtocolDataStructure = {
static void ccid_reset_parameters(USBCCIDState *s)
{
- s->bProtocolNum = 1; /* T=1 */
+ s->bProtocolNum = 0; /* T=0 */
s->abProtocolDataStructure = defaultProtocolDataStructure;
}
We don't support T=1 so we shouldn't advertise it by default. Two independent changes: * Default ATR sets T=0. This gets overwritten by the client provided ATR later. * Class descriptor changes dwAdvertise dwProtocols.PPPP to 0x1 and dwProtocols.RRRR=0 per spec. Signed-off-by: Alon Levy <alevy@redhat.com> --- hw/usb/dev-smartcard-reader.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)