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| author | Simon Glass <sjg@chromium.org> | 2012-09-27 15:18:42 +0000 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2012-10-15 11:54:04 -0700 |
| commit | 71dc6bca4ef61d10f1327114ac1d53b6865a6030 (patch) | |
| tree | 287f0de81f8b4008c11a07296ec272d7ed76d843 /include/key_matrix.h | |
| parent | 1b1d3e6461e9195f825d6d8aa6a2a0e1e3188f62 (diff) | |
| download | u-boot-midas-71dc6bca4ef61d10f1327114ac1d53b6865a6030.tar.gz u-boot-midas-71dc6bca4ef61d10f1327114ac1d53b6865a6030.tar.bz2 u-boot-midas-71dc6bca4ef61d10f1327114ac1d53b6865a6030.zip | |
input: Allow key ghosting filter to be disabled
Some keyboards will not need a key ghosting filter, so make this feature
optional.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/key_matrix.h')
| -rw-r--r-- | include/key_matrix.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/key_matrix.h b/include/key_matrix.h index f41331407d..962971650e 100644 --- a/include/key_matrix.h +++ b/include/key_matrix.h @@ -40,6 +40,7 @@ struct key_matrix { const u8 *plain_keycode; /* key code for each row / column */ const u8 *fn_keycode; /* ...when Fn held down */ int fn_pos; /* position of Fn key in key (or -1) */ + int ghost_filter; /* non-zero to enable ghost filter */ }; /* Information about a particular key (row, column pair) in the matrix */ @@ -92,8 +93,10 @@ int key_matrix_decode_fdt(struct key_matrix *config, const void *blob, * @param config Keyboard matrix config * @param rows Number of rows in key matrix * @param cols Number of columns in key matrix + * @param ghost_filter Non-zero to enable ghost filtering * @return 0 if ok, -1 on error */ -int key_matrix_init(struct key_matrix *config, int rows, int cols); +int key_matrix_init(struct key_matrix *config, int rows, int cols, + int ghost_filter); #endif |