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drivers/input/mouse/cyapa_gen5.c: In function ‘cyapa_gen5_read_idac_data’:
drivers/input/mouse/cyapa_gen5.c:1876: warning: ‘max_element_cnt’ may be used uninitialized in this function
drivers/input/mouse/cyapa_gen5.c:1873: warning: ‘offset’ may be used uninitialized in this function
If *data_size is non-zero, and idac_data_type contains an unknown type,
max_element_cnt and offset will be uninitialized, and the loop will
process non-existing data.
However, this cannot happen (for now), as there's a test for unknown
types at the top of cyapa_gen5_read_idac_data().
As no "if ... else if ..." is used in other places, remove the
superfluous "if" to silence the compiler warning.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Dudley Du <dudl@cypress.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Use asm/unaligned.h instead of linux/unaligned/access_ok.h header file to
fix compiling issues such as following while doing cross platform
compiling:
"include/linux/unaligned/access_ok.h:7:19: error: redefinition of
'get_unaligned_le16'
...
include/linux/unaligned/le_struct.h:6:19: note: previous definition of
'get_unaligned_le16' was here".
Reported-by: kbuild test robot <kbuild-all@01.org>
Signed-off-by: Dudley Du <dudl@cypress.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Fixes the warning regarding variable being dereferenced before check
'gen5_pip->resp_len'.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dudley Du <dudl@cypress.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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gen5_bl_metadata_row_params structure has its fields specified with
explicit endianness, so we should not be trying to convert to native CPU
endianness when filling the structure.
Also fix firmware validation checks and misspelled field in
gen5_bl_metadata_row_params.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Reviewed-by: Dudley Du <dudl@cypress.com>
Tested-by: Dudley Du <dudl@cypress.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Add force re-calibrate function support for gen5 trackpad device, it can be
used through sysfs calibrate interface.
Signed-off-by: Dudley Du <dudl@cypress.com>
Tested-by: Jeremiah Mahler <jmmahler@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Add read baseline function support for gen5 trackpad device, it can be used
through sysfs baseline interface.
Signed-off-by: Dudley Du <dudl@cypress.com>
Tested-by: Jeremiah Mahler <jmmahler@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Add firmware image update support for gen5 trackpad device, it can be used
through sysfs update_fw interface.
Signed-off-by: Dudley Du <dudl@cypress.com>
Tested-by: Jeremiah Mahler <jmmahler@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This change adds support for Gen5 Cypress trackpads. The driver detects
generation of the device at probe time and automatically selects
appropriate protocol.
Signed-off-by: Dudley Du <dudl@cypress.com>
Tested-by: Jeremiah Mahler <jmmahler@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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