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| author | Takashi Iwai <tiwai@suse.de> | 2019-01-18 17:24:15 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-01-18 17:24:29 +0100 |
| commit | 092301fb8673eb94c5167f24e72ea72644ddf024 (patch) | |
| tree | a4267aca64200a5cb021e03fe195453f37ee0ebb | |
| parent | fb98cf5a4f1ac55ebd1712cedfc7a406b0c084a4 (diff) | |
Input: synaptics - enable SMBus for HP EliteBook 840 G4
(bsc#1051510).
| -rw-r--r-- | patches.drivers/Input-synaptics-enable-SMBus-for-HP-EliteBook-840-G4.patch | 54 | ||||
| -rw-r--r-- | series.conf | 1 |
2 files changed, 55 insertions, 0 deletions
diff --git a/patches.drivers/Input-synaptics-enable-SMBus-for-HP-EliteBook-840-G4.patch b/patches.drivers/Input-synaptics-enable-SMBus-for-HP-EliteBook-840-G4.patch new file mode 100644 index 0000000000..f1b458bbe7 --- /dev/null +++ b/patches.drivers/Input-synaptics-enable-SMBus-for-HP-EliteBook-840-G4.patch @@ -0,0 +1,54 @@ +From 7a71712293ba303aad928f580b89addb0be2892e Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Mantas=20Mikul=C4=97nas?= <grawity@gmail.com> +Date: Fri, 21 Dec 2018 01:04:26 -0800 +Subject: [PATCH] Input: synaptics - enable SMBus for HP EliteBook 840 G4 +Mime-version: 1.0 +Content-type: text/plain; charset=UTF-8 +Content-transfer-encoding: 8bit +Git-commit: 7a71712293ba303aad928f580b89addb0be2892e +Patch-mainline: v4.20 +References: bsc#1051510 + +dmesg reports that "Your touchpad (PNP: SYN3052 SYN0100 SYN0002 PNP0f13) +says it can support a different bus." + +I've tested the offered psmouse.synaptics_intertouch=1 with 4.18.x and +4.19.x and it seems to work well. No problems seen with suspend/resume. + +Also, it appears that RMI/SMBus mode is actually required for 3-4 finger +multitouch gestures to work -- otherwise they are not reported at all. + +Information from dmesg in both modes: + + psmouse serio3: synaptics: Touchpad model: 1, fw: 8.2, id: 0x1e2b1, + caps: 0xf00123/0x840300/0x2e800/0x0, board id: 3139, fw id: 2000742 + + psmouse serio3: synaptics: Trying to set up SMBus access + rmi4_smbus 6-002c: registering SMbus-connected sensor + rmi4_f01 rmi4-00.fn01: found RMI device, + manufacturer: Synaptics, product: TM3139-001, fw id: 2000742 + +Signed-off-by: Mantas Mikulėnas <grawity@gmail.com> +Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> +Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> +Acked-by: Takashi Iwai <tiwai@suse.de> + +--- + drivers/input/mouse/synaptics.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c +index 7bdf8fc2c3b5..b6da0c1267e3 100644 +--- a/drivers/input/mouse/synaptics.c ++++ b/drivers/input/mouse/synaptics.c +@@ -179,6 +179,7 @@ static const char * const smbus_pnp_ids[] = { + "LEN0096", /* X280 */ + "LEN0097", /* X280 -> ALPS trackpoint */ + "LEN200f", /* T450s */ ++ "SYN3052", /* HP EliteBook 840 G4 */ + "SYN3221", /* HP 15-ay000 */ + NULL + }; +-- +2.16.4 + diff --git a/series.conf b/series.conf index 6ff8f3b6a0..4f5773ea62 100644 --- a/series.conf +++ b/series.conf @@ -19602,6 +19602,7 @@ patches.drivers/gpio-mvebu-only-fail-on-missing-clk-if-pwm-is-actual.patch patches.drivers/Input-omap-keypad-fix-idle-configuration-to-not-bloc.patch patches.drivers/Input-synaptics-enable-RMI-on-ThinkPad-T560.patch + patches.drivers/Input-synaptics-enable-SMBus-for-HP-EliteBook-840-G4.patch patches.drm/0001-drm-ioctl-Fix-Spectre-v1-vulnerabilities.patch patches.fixes/x86-mm-Fix-decoy-address-handling-vs-32-bit-builds.patch patches.drm/0001-drm-rockchip-psr-do-not-dereference-encoder-before-i.patch |