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Message-ID: <76481654aedb6b687b145441283f3268@riseup.net> Date: Sun, 19 Feb 2017 15:24:58 +0000 From: John Preston <wcerfgba@...eup.net> To: Pali Rohár <pali.rohar@...il.com> Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>, linux-input@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] Add model data for Dell Precision 3510 trackpad. On 2017-02-19 13:35, Pali Rohár wrote: > On Sunday 19 February 2017 13:16:34 John L. Preston wrote: >> --- >> drivers/input/mouse/alps.c | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c >> index 328edc8c8786..c0a4edefe54d 100644 >> --- a/drivers/input/mouse/alps.c >> +++ b/drivers/input/mouse/alps.c >> @@ -139,6 +139,7 @@ static const struct alps_model_info >> alps_model_data[] = { >> { { 0x52, 0x01, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xff, 0xff, >> ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED } }, /* >> Toshiba Tecra A11-11L */ >> { { 0x73, 0x02, 0x64 }, 0x8a, { ALPS_PROTO_V4, 0x8f, 0x8f, 0 } }, >> + { { 0x73, 0x03, 0x28 }, 0x13, { ALPS_PROTO_V8, 0x18, 0x18, 0 } >> }, /* Dell Precision 3510 */ >> }; >> >> static const struct alps_protocol_info alps_v3_protocol_data = { > > Hi John! This is not a correct place do add new proto data. I already > proposed reducing this table to just for PROTO_V2, but Dmitry was not > happy about it. Hi Pali. :) > > Anyway, look at function alps_identify() where is detection for > ALPS_V8: > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/drivers/input/mouse/alps.c?h=v4.10-rc8#n2829 > > V8 is already detected when e7 is (0x73, 0x03, 0x28) and ec[1] is 0x01. > What are your ec data? Probably ec[1] is not 0x01 as otherwise it > should > be already detected. I have just found that code and am confused because that is not the same code I have running on my system. My ec[1] is 0x01 so you are correct, it should already be detected and my patch is unnecessary. Sorry for the inconvenience. > > Btw, from where you got your proto data in this patch? I pulled it from dmesg: [john@...te ~]$ dmesg|grep "Unknown ALPS touchpad" [ 3.071891] psmouse serio1: alps: Unknown ALPS touchpad: E7=73 03 28, EC=73 01 13
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