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Date: Mon, 18 Dec 2017 16:49:32 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Osama Khan <osama.khan@...csson.com>, Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, Sasha Levin <alexander.levin@...izon.com> Subject: [PATCH 4.9 149/177] platform/x86: hp_accel: Add quirk for HP ProBook 440 G4 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Osama Khan <osama.khan@...csson.com> [ Upstream commit 163ca80013aafb6dc9cb295de3db7aeab9ab43f8 ] Added support for HP ProBook 440 G4 laptops by including the accelerometer orientation quirk for that device. Testing was performed based on the axis orientation guidelines here: https://www.kernel.org/doc/Documentation/misc-devices/lis3lv02d which states "If the left side is elevated, X increases (becomes positive)". When tested, on lifting the left edge, x values became increasingly negative thus indicating an inverted x-axis on the installed lis3lv02d chip. This was compensated by adding an entry for this device in hp_accel.c specifying the quirk as x_inverted. The patch was tested on a ProBook 440 G4 device and x-axis as well as y and z-axis values are now generated as per spec. Signed-off-by: Osama Khan <osama.khan@...csson.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com> Signed-off-by: Sasha Levin <alexander.levin@...izon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/platform/x86/hp_accel.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/platform/x86/hp_accel.c +++ b/drivers/platform/x86/hp_accel.c @@ -240,6 +240,7 @@ static const struct dmi_system_id lis3lv AXIS_DMI_MATCH("HDX18", "HP HDX 18", x_inverted), AXIS_DMI_MATCH("HPB432x", "HP ProBook 432", xy_rotated_left), AXIS_DMI_MATCH("HPB440G3", "HP ProBook 440 G3", x_inverted_usd), + AXIS_DMI_MATCH("HPB440G4", "HP ProBook 440 G4", x_inverted), AXIS_DMI_MATCH("HPB442x", "HP ProBook 442", xy_rotated_left), AXIS_DMI_MATCH("HPB452x", "HP ProBook 452", y_inverted), AXIS_DMI_MATCH("HPB522x", "HP ProBook 522", xy_swap),
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