Date: Thu, 12 Sep 2019 12:33:55 +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-gOvQRiUstv@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/>
next in thread | previous in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D240339 --- Comment #18 from commit-hook@freebsd.org --- A commit references this bug: Author: wulf Date: Thu Sep 12 12:33:09 UTC 2019 New revision: 352243 URL: https://svnweb.freebsd.org/changeset/base/352243 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. MFC after: 3 days Changes: head/sys/dev/ichiic/ig4_iic.c --=20 You are receiving this mail because: You are the assignee for the bug.=
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-240339-227-gOvQRiUstv>