On Fri, 14 Dec 2012, Mauro Carvalho Chehab wrote: > There are some Sony clone gamepads that are incompatible > with PS3 since firmware 3.50, as they decided to prevent those > devices to work, without any good technical reason. I was one of those > 'blessed' people affected by their niceness with their customers. > > Marcelo also has another device with a similar problem. > > Perhaps due to Sony's way to block the device, damaging the device's > eeprom, or perhaps because they just have a different, broken Report > descriptor, there are 3 buttons that don't work on both devices > (the ones equivalent to square, round and X). > > What it happens is that the descriptor generate weird EV_ABS events > to those buttons, instead of EV_MSC/EV_KEY. > > A fix that seems to be enough for them is to return the original > sixaxis table instead of the broken one. That's what this patch > does. > > Yet, there are some missing entries at the used keytable. On my > tests, all keys are now producing the right events, but the reported > keycodes look weird: > > "square" key: (Button.0010 = 1) > > 1355524363.460835: event type EV_MSC(0x04): scancode = 0x90010 > 1355524363.460835: event type EV_KEY(0x01) key_up: BTN_DEAD(0x0001) > > "round" key: (Button.000e = 1) > > 1355524410.908705: event type EV_MSC(0x04): scancode = 0x9000e > 1355524410.908705: event type EV_KEY(0x01) key_down: (0x0001) > 1355524410.971788: event type EV_MSC(0x04): scancode = 0x9000e > 1355524410.971788: event type EV_KEY(0x01) key_up: (0x0001) > > "X" key: (Button.000f = 1) > 1355524384.880813: event type EV_MSC(0x04): scancode = 0x9000f > 1355524384.880813: event type EV_KEY(0x01) key_down: (0x0001) > 1355524384.979815: event type EV_MSC(0x04): scancode = 0x9000f > 1355524384.979815: event type EV_KEY(0x01) key_up: (0x0001) > > The rationale is likely due to those entries at rdesc table, where the > Kernel were not likely able to parse: > > Button.000d ---> Key.? > Button.000e ---> Key.? > Button.000f ---> Key.? > Button.0010 ---> Key.BtnDead > Button.0011 ---> Key.? > Button.0012 ---> Key.? > Button.0013 ---> Key.? > > As a reference, this is the rdisc used on my clone (a Mad Catz > model 8846): > > 05 01 09 04 a1 01 a1 02 85 01 75 08 95 01 15 00 26 ff 00 81 03 75 01 95 0d 15 00 25 01 35 00 45 01 05 09 19 01 29 0d 81 02 75 01 95 03 06 00 ff 81 03 05 01 25 07 46 3b 01 75 04 95 01 65 14 09 39 81 42 65 00 75 01 95 0c 06 00 ff 81 03 15 00 26 ff 00 05 01 09 01 a1 00 75 08 95 04 15 00 15 00 15 00 35 00 35 00 46 ff 00 09 30 09 31 09 32 09 35 81 02 c0 05 01 75 08 95 27 09 01 81 02 75 08 95 30 09 01 91 02 75 08 95 30 09 01 b1 02 c0 a1 02 85 02 75 08 95 30 09 01 b1 02 c0 a1 02 85 ee 75 08 95 30 09 01 b1 02 c0 a1 02 85 ef 75 08 95 30 09 01 b1 02 c0 c0 > > This is what's returned on Marcelo's device (not sure what is > the brand name of his device): > > 05 01 09 04 a1 01 a1 02 85 01 75 08 95 01 15 00 26 ff 00 81 03 75 01 95 13 15 00 25 01 35 00 45 01 05 09 19 01 29 13 81 02 75 01 95 0d 06 00 ff 81 03 15 00 26 ff 00 05 01 09 01 a1 00 75 08 95 04 35 00 46 ff 00 09 30 09 31 09 32 09 35 81 02 c0 05 01 95 13 09 01 81 02 95 0c 81 01 75 10 95 04 26 ff 03 46 ff 03 09 01 81 02 c0 a1 02 85 02 75 08 95 30 09 01 b1 02 c0 a1 02 85 ee 75 08 95 30 09 01 b1 02 c0 a1 02 85 ef 75 08 95 30 09 01 b1 02 c0 c0 > > Reported-by: Marcelo Leitner <mleitner@xxxxxxxxxx> > Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx> Yeah, this is the way I'd like to have it fixed. Waiting for Marcelo's Tested-by: before merging it. Thanks, -- Jiri Kosina SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
