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Input: xpad - fix PowerA init quirk for some gamepad models
The PowerA gamepad initialization quirk worked with the PowerA
wired gamepad I had around (0x24c6:0x543a), but a user reported [0]
that it didn't work for him, even though our gamepads shared the
same vendor and product IDs.
When I initially implemented the PowerA quirk, I wanted to avoid
actually triggering the rumble action during init. My tests showed
that my gamepad would work correctly even if it received a rumble
of 0 intensity, so that's what I went with.
Unfortunately, this apparently isn't true for all models (perhaps
a firmware difference?). This non-working gamepad seems to require
the real magic rumble packet that the Microsoft driver sends, which
actually vibrates the gamepad. To counteract this effect, I still
send the old zero-rumble PowerA quirk packet which cancels the
rumble effect before the motors can spin up enough to vibrate.
[0]: https://github.com/paroj/xpad/issues/48#issuecomment-313904867
Reported-by: Kyle Beauchamp <kyleabeauchamp@gmail.com>
Tested-by: Kyle Beauchamp <kyleabeauchamp@gmail.com>
Fixes: 81093c9848
("Input: xpad - support some quirky Xbox One pads")
Cc: stable@vger.kernel.org # v4.12
Signed-off-by: Cameron Gutman <aicommander@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
parent
3f9db52dc8
commit
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1 changed files with 19 additions and 5 deletions
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@ -476,10 +476,21 @@ static const u8 xboxone_hori_init[] = {
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};
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/*
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* A rumble packet is required for some PowerA pads to start
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* A specific rumble packet is required for some PowerA pads to start
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* sending input reports. One of those pads is (0x24c6:0x543a).
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*/
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static const u8 xboxone_zerorumble_init[] = {
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static const u8 xboxone_rumblebegin_init[] = {
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0x09, 0x00, 0x00, 0x09, 0x00, 0x0F, 0x00, 0x00,
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0x1D, 0x1D, 0xFF, 0x00, 0x00
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};
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/*
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* A rumble packet with zero FF intensity will immediately
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* terminate the rumbling required to init PowerA pads.
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* This should happen fast enough that the motors don't
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* spin up to enough speed to actually vibrate the gamepad.
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*/
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static const u8 xboxone_rumbleend_init[] = {
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0x09, 0x00, 0x00, 0x09, 0x00, 0x0F, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00
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};
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@ -494,9 +505,12 @@ static const struct xboxone_init_packet xboxone_init_packets[] = {
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XBOXONE_INIT_PKT(0x0e6f, 0x0165, xboxone_hori_init),
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XBOXONE_INIT_PKT(0x0f0d, 0x0067, xboxone_hori_init),
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XBOXONE_INIT_PKT(0x0000, 0x0000, xboxone_fw2015_init),
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XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_zerorumble_init),
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XBOXONE_INIT_PKT(0x24c6, 0x542a, xboxone_zerorumble_init),
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XBOXONE_INIT_PKT(0x24c6, 0x543a, xboxone_zerorumble_init),
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XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumblebegin_init),
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XBOXONE_INIT_PKT(0x24c6, 0x542a, xboxone_rumblebegin_init),
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XBOXONE_INIT_PKT(0x24c6, 0x543a, xboxone_rumblebegin_init),
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XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumbleend_init),
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XBOXONE_INIT_PKT(0x24c6, 0x542a, xboxone_rumbleend_init),
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XBOXONE_INIT_PKT(0x24c6, 0x543a, xboxone_rumbleend_init),
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};
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struct xpad_output_packet {
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