From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Torokhov Subject: Re: [PATCH v1 1/1] Input: elantech - add Fujitsu Lifebook E546/E557 to force crc_enabled Date: Wed, 7 Jun 2017 10:31:22 -0700 Message-ID: <20170607173122.GF13116@dtor-ws> References: <20170531184942.23214-1-ulrik.debie-os@e2big.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-pg0-f67.google.com ([74.125.83.67]:33017 "EHLO mail-pg0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751433AbdFGRb0 (ORCPT ); Wed, 7 Jun 2017 13:31:26 -0400 Received: by mail-pg0-f67.google.com with SMTP id a70so2022169pge.0 for ; Wed, 07 Jun 2017 10:31:26 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20170531184942.23214-1-ulrik.debie-os@e2big.org> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Ulrik De Bie Cc: Arjan Opmeer , linux-input@vger.kernel.org On Wed, May 31, 2017 at 08:49:42PM +0200, Ulrik De Bie wrote: > The Lifebook E546 and E557 touchpad were also not functioning and > worked after running: > > echo "1" > /sys/devices/platform/i8042/serio2/crc_enabled > > Add them to the list of machines that need this workaround. > > Signed-off-by: Ulrik De Bie > Reviewed-by: Arjan Opmeer Applied, thank you. > --- > drivers/input/mouse/elantech.c | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > > The problem was reported by users of those laptops and they confirmed that > the crc_enabled workaround solved it. They were not able to test the patch > though so if anyone else here has such a laptop please feel free to test > the patch ! > > diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c > index e73d968023f7..f1fa1f172107 100644 > --- a/drivers/input/mouse/elantech.c > +++ b/drivers/input/mouse/elantech.c > @@ -1118,8 +1118,10 @@ static int elantech_get_resolution_v4(struct psmouse *psmouse, > * Asus UX32VD 0x361f02 00, 15, 0e clickpad > * Avatar AVIU-145A2 0x361f00 ? clickpad > * Fujitsu LIFEBOOK E544 0x470f00 d0, 12, 09 2 hw buttons > + * Fujitsu LIFEBOOK E546 0x470f00 50, 12, 09 2 hw buttons > * Fujitsu LIFEBOOK E547 0x470f00 50, 12, 09 2 hw buttons > * Fujitsu LIFEBOOK E554 0x570f01 40, 14, 0c 2 hw buttons > + * Fujitsu LIFEBOOK E557 0x570f01 40, 14, 0c 2 hw buttons > * Fujitsu T725 0x470f01 05, 12, 09 2 hw buttons > * Fujitsu H730 0x570f00 c0, 14, 0c 3 hw buttons (**) > * Gigabyte U2442 0x450f01 58, 17, 0c 2 hw buttons > @@ -1525,6 +1527,13 @@ static const struct dmi_system_id elantech_dmi_force_crc_enabled[] = { > }, > }, > { > + /* Fujitsu LIFEBOOK E546 does not work with crc_enabled == 0 */ > + .matches = { > + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), > + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E546"), > + }, > + }, > + { > /* Fujitsu LIFEBOOK E547 does not work with crc_enabled == 0 */ > .matches = { > DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), > @@ -1546,6 +1555,13 @@ static const struct dmi_system_id elantech_dmi_force_crc_enabled[] = { > }, > }, > { > + /* Fujitsu LIFEBOOK E557 does not work with crc_enabled == 0 */ > + .matches = { > + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), > + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E557"), > + }, > + }, > + { > /* Fujitsu LIFEBOOK U745 does not work with crc_enabled == 0 */ > .matches = { > DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), > -- > 2.11.0 > -- Dmitry