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gcc -Warray-bounds warns about a serious bug in
cyapa_pip_retrieve_data_structure:
drivers/input/mouse/cyapa_gen6.c: In function 'cyapa_pip_retrieve_data_structure.constprop':
include/linux/unaligned/access_ok.h:40:17: warning: array subscript -1 is outside array bounds of 'struct retrieve_data_struct_cmd[1]' [-Warray-bounds]
40 | *((__le16 *)p) = cpu_to_le16(val);
drivers/input/mouse/cyapa_gen6.c:569:13: note: while referencing 'cmd'
569 | } __packed cmd;
| ^~~
Apparently the '-2' was added to the pointer instead of the value,
writing garbage into the stack next to this variable.
Fixes: c2c06c41f700 ("Input: cyapa - add gen6 device module support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20201026161332.3708389-1-arnd@kernel.org
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Add new compatible strings and match data to support sc2730 and sc2721
which are two varieties of SC27XX family.
Signed-off-by: Nemo Han <nemo.han@unisoc.com>
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Link: https://lore.kernel.org/r/20201117034949.47877-2-zhang.lyra@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Add new compatible strings to support sc2730 and sc2721 which are
two varieties of SC27XX family.
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201117034949.47877-4-zhang.lyra@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Convert the sprd sc27xx vibrator binding to DT schema using json-schema.
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201117034949.47877-3-zhang.lyra@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Make use of generic touchscreen_properties structure to add axis
inversion and swapping capabilities. It's configurable via devicetree
properties:
touchscreen-inverted-x
touchscreen-inverted-y
touchscreen-swapped-x-y
Signed-off-by: Stefan Riedmueller <s.riedmueller@phytec.de>
Link: https://lore.kernel.org/r/20200922093903.157232-1-s.riedmueller@phytec.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The touchscreen on the Teclast x98 Pro is also mounted upside-down in
relation to the display orientation.
Signed-off-by: Simon Beginn <linux@simonmicro.de>
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/20201117004253.27A5A27EFD@localhost
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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We need to make sure we are not stomping on the control URB that was
issued when opening the device when attempting to toggle buzzer.
To do that we need to mark it as pending in cm109_open().
Reported-and-tested-by: syzbot+150f793ac5bc18eee150@syzkaller.appspotmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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If device is set up as a wakeup source, I2C core configures the interrupt
line as wake IRQ and PM core automatically configures it for waking up the
system on system suspend transition, so we do not have to explicitly call
enable_irq_wake() and disable_irq_wake() in suspend/resume.
Link: https://lore.kernel.org/r/20201120073920.3214492-2-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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We should not be configuring the controller as a wakeup source in the
driver, but rather rely on I2C core to mark it as such by either
instantiating as I2C_CLIENT_WAKEUP or specifying "wakeup-source" device
property.
Link: https://lore.kernel.org/r/20201120073920.3214492-1-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Replace a comma between expression statements by a semicolon.
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Link: https://lore.kernel.org/r/20201211085032.2598-1-zhengyongjun3@huawei.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Replace a comma between expression statements by a semicolon.
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Link: https://lore.kernel.org/r/20201211084957.2540-1-zhengyongjun3@huawei.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Adds support for the Dialog DA7280 LRA/ERM Haptic Driver with
multiple mode and integrated waveform memory and wideband support.
It communicates via an I2C bus to the device.
Signed-off-by: Roy Im <roy.im.opensource@diasemi.com>
Reviewed-by: Jes Sorensen <Jes.Sorensen@gmail.com>.
Link: https://lore.kernel.org/r/1e293e8c4830b09255af3b7e1721b73afaefdfa3.1606320459.git.Roy.Im@diasemi.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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