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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>
This commit is contained in:
Florian Echtler 2018-02-08 03:43:03 -05:00 committed by Mauro Carvalho Chehab
parent ab15d248cc
commit 0a90448ead
1 changed files with 4 additions and 1 deletions
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5
drivers/input/touchscreen/sur40.c
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@ -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;