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| author | Florian Echtler <floe@butterbrot.org> | 2018-02-08 09:43:03 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2018-02-14 19:27:52 +0100 |
| commit | 0a90448ead4a7683f9064852a8bb4150639d0fd2 (patch) | |
| tree | fa14ba275a055970094f8c731a510d28187c6f98 /drivers/input/touchscreen/sur40.c | |
| parent | media: include/(uapi/)media: add SPDX license info (diff) | |
| download | linux-0a90448ead4a7683f9064852a8bb4150639d0fd2.tar.xz linux-0a90448ead4a7683f9064852a8bb4150639d0fd2.zip | |
media: add missing blob structure field for tag id
The SUR40 can recognize specific printed patterns directly in hardware;
this information (i.e. the pattern id) is present but currently unused
in the blob structure.
Signed-off-by: Florian Echtler <floe@butterbrot.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/input/touchscreen/sur40.c')
| -rw-r--r-- | drivers/input/touchscreen/sur40.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c index f16f8358c70a..8375b06ba837 100644 --- a/drivers/input/touchscreen/sur40.c +++ b/drivers/input/touchscreen/sur40.c @@ -81,7 +81,10 @@ struct sur40_blob { __le32 area; /* size in pixels/pressure (?) */ - u8 padding[32]; + u8 padding[24]; + + __le32 tag_id; /* valid when type == 0x04 (SUR40_TAG) */ + __le32 unknown; } __packed; |