Date: Sun, 15 Sep 2019 19:17:19 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 240339] [ig4] I2C2 (touchpad bus) broken on the Google Pixelbook (Sunrise Point PCH) Message-ID: <bug-240339-227-ccnFjJU8iX@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-240339-227@https.bugs.freebsd.org/bugzilla/> References: <bug-240339-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D240339 --- Comment #19 from commit-hook@freebsd.org --- A commit references this bug: Author: wulf Date: Sun Sep 15 19:16:42 UTC 2019 New revision: 352362 URL: https://svnweb.freebsd.org/changeset/base/352362 Log: ig4(4): Fix SDA HOLD time set too low on Skylake controllers Execution of "Soft reset" command (IG4_REG_RESETS_SKL) at controller init stage sets SDA_HOLD register value to 0x0001 which is often too low for normal operation. Set SDA_HOLD back to 28 after reset to restore controller functionality. PR: 240339 Reported by: imp, GregV, et al. Changes: _U stable/12/ stable/12/sys/dev/ichiic/ig4_iic.c --=20 You are receiving this mail because: You are the assignee for the bug.=
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