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authorOlivier Gay <ogay@logitech.com>2013-12-03 00:17:24 +0100
committerJiri Kosina <jkosina@suse.cz>2013-12-03 15:19:47 +0100
commitdcdc50e72b8b8c21aca598705192dcbf96f4fb64 (patch)
treea6b58a500321811eceb82a8520c24a818c043d14 /drivers/hid/Kconfig
parent56d0c8b7c8fb63505a06b50364d12817ded88daa (diff)
downloadlinux-dcdc50e72b8b8c21aca598705192dcbf96f4fb64.tar.bz2
HID: logitech-dj: add HIDRAW dependency in Kconfig
hid-logitech-dj.c driver needs hidraw to work correctly. Without hidraw, hid-logitech-dj.c fails during probe() and Logitech Unifying devices HID reports aren't recognized. The unifying receiver has 3 usb interfaces. When hid-logitech-dj driver is loaded, interfaces 0 and 1 are discarded. Interface 2 consists of a hid class interface with 3 collections, each of which sports the 'vendor' usage, thus, there is no reason for hid_input to claim any of them. On the other hand, hidraw has no issue in claiming the collections, even if they are 'vendor'. As of today, hid-logitech-dj uses hidraw api to send configuration/control reports to interface 2 of the Unifying receiver. Without the hid-logitech-dj driver, interfaces 0 and 1 are claimed by hid-input, as they correspond to a keyboard and a mouse. But that is not relevant to the discussion. [jkosina@suse.cz: make the changelog more verbose, thanks to Nestor] Signed-off-by: Olivier Gay <ogay@logitech.com> Signed-off-by: Nestor Lopez Casado <nlopezcasad@logitech.com> Signed-off-by: Mathieu Meisser <mmeisser@logitech.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/Kconfig')
-rw-r--r--drivers/hid/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 329fbb9b5976..c8a66b94b6dd 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -344,6 +344,7 @@ config HID_LOGITECH
config HID_LOGITECH_DJ
tristate "Logitech Unifying receivers full support"
+ depends on HIDRAW
depends on HID_LOGITECH
---help---
Say Y if you want support for Logitech Unifying receivers and devices.