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HID: logitech-dj: rely on hid groups to separate receivers from dj devices

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Several benefits here:
- we can drop the macro is_dj_device: I never been really conviced by
  this macro as we could fall into a null pointer anytime. Anyway time
  showed that this never happened.
- we can simplify the hid driver logitech-djdevice, and make it aware
  of any new receiver VID/PID.
- we can use the Wireless PID of the DJ device as the product id of the
  hid device, this way the sysfs will differentiate between different
  DJ devices.

Signed-off-by: Benjamin Tisssoires <benjamin.tissoires@redhat.com>
Tested-by: Andrew de los Reyes <adlr@chromium.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Benjamin Tissoires 2014-09-30 13:18:25 -04:00 • committed by Jiri Kosina
parent 9578f41aea
commit d610274b03
3 changed files with 11 additions and 38 deletions
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1
include/linux/hid.h
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@ -313,6 +313,7 @@ struct hid_item {
*/
#define HID_GROUP_RMI 0x0100
#define HID_GROUP_WACOM 0x0101
#define HID_GROUP_LOGITECH_DJ_DEVICE 0x0102
/*
* This is the global environment of the parser. This information is