HID: fix unit exponent parsing

HID spec details special values for the HID field unit exponent. Basically, the range [0x8..0xf] correspond to [-8..-1], so this is a standard two's complement on a half-byte. Signed-off-by: Benjamin Tissoires <[email protected]> Acked-by: Jiri Kosina <[email protected]> Signed-off-by: Jiri Kosina <[email protected]>
torvalds · Nov 15, 2012 · 7746383 · 7746383
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diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
diff --git a/include/linux/hid.h b/include/linux/hid.h