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Date: Mon, 13 Feb 2017 16:30:02 -0800 From: Andrew Duggan <aduggan@...aptics.com> To: Dmitry Torokhov <dmitry.torokhov@...il.com>, Aaron Ma <aaron.ma@...onical.com> CC: <linux-input@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Benjamin Tissoires <benjamin.tissoires@...hat.com> Subject: Re: [PATCH] Input: trackpoint: add new trackpoint firmware ID On 02/12/2017 02:38 PM, Dmitry Torokhov wrote: > On Fri, Feb 10, 2017 at 11:02:21AM +0800, Aaron Ma wrote: >> Synaptics add new TP firmware ID: 0x2 and 0x3, for now both lower 2 bits >> are indicated as TP. Change the constant to bitwise values. > Hmm, I thought IBM/Lenovo owned trackpoint support... Andrew, is it > yours now? No, it should still be Lenovo's trackpoint. Andrew > Aaron, what devices have these new trackpoints>? > > Thanks. > >> Signed-off-by: Aaron Ma <aaron.ma@...onical.com> >> Cc: stable@...r.kernel.org >> --- >> drivers/input/mouse/trackpoint.c | 3 ++- >> drivers/input/mouse/trackpoint.h | 3 ++- >> 2 files changed, 4 insertions(+), 2 deletions(-) >> >> diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c >> index 7331084..9ff0f38 100644 >> --- a/drivers/input/mouse/trackpoint.c >> +++ b/drivers/input/mouse/trackpoint.c >> @@ -265,7 +265,8 @@ static int trackpoint_start_protocol(struct psmouse *psmouse, unsigned char *fir >> if (ps2_command(&psmouse->ps2dev, param, MAKE_PS2_CMD(0, 2, TP_READ_ID))) >> return -1; >> >> - if (param[0] != TP_MAGIC_IDENT) >> + /* add new TP ID. */ >> + if (!(param[0] & TP_MAGIC_IDENT)) >> return -1; >> >> if (firmware_id) >> diff --git a/drivers/input/mouse/trackpoint.h b/drivers/input/mouse/trackpoint.h >> index 5617ed3..8805575 100644 >> --- a/drivers/input/mouse/trackpoint.h >> +++ b/drivers/input/mouse/trackpoint.h >> @@ -21,8 +21,9 @@ >> #define TP_COMMAND 0xE2 /* Commands start with this */ >> >> #define TP_READ_ID 0xE1 /* Sent for device identification */ >> -#define TP_MAGIC_IDENT 0x01 /* Sent after a TP_READ_ID followed */ >> +#define TP_MAGIC_IDENT 0x03 /* Sent after a TP_READ_ID followed */ >> /* by the firmware ID */ >> + /* Firmware ID includes 0x1, 0x2, 0x3 */ >> >> >> /* >> -- >> 2.9.3 >>
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