From: fengqi <fengqi@xxxxxxxxxx> Our HID device need KEY_CAMERA_FOCUS event to control camera, but this event is non-existent in current HID driver. So we add this event in hid-input.c. Signed-off-by: fengqi <fengqi@xxxxxxxxxx> --- changes in v4: -add HID_UP_CAMERA in HID usage tables , Then add the mapping under HID_UP_CAMERA -modify the commit log of patch -Link to v3:https://lore.kernel.org/linux-input/9a85b268c7636ef2e4e3bbbe318561ba2842a591.1676536357.git.fengqi@xxxxxxxxxx/T/#u -Link to v2:https://lore.kernel.org/linux-input/CACOZ=ZU0zgRmoRu8X5bMUzUrXA9x-qoDJqrQroUs=+qKR58MQA@xxxxxxxxxxxxxx/T/#t -Link to v1:https://lore.kernel.org/linux-input/CACOZ=ZWB3grJKn7wAZEZ0BDyN7KJF4VWUTNs-mPxeoW_oiR7=g@xxxxxxxxxxxxxx/T/#t --- drivers/hid/hid-input.c | 10 ++++++++++ include/linux/hid.h | 1 + 2 files changed, 11 insertions(+) diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 77c8c49852b5..c6098ae2fac7 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -1225,6 +1225,16 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel return; } goto unknown; + case HID_UP_CAMERA: + switch (usage->hid & HID_USAGE) { + case 0x020: + map_key_clear(KEY_CAMERA_FOCUS); break; + case 0x021: + map_key_clear(KEY_CAMERA); break; + default: + goto ignore; + } + break; case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */ set_bit(EV_REP, input->evbit); diff --git a/include/linux/hid.h b/include/linux/hid.h index 8677ae38599e..88793b77bd63 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -155,6 +155,7 @@ struct hid_item { #define HID_UP_DIGITIZER 0x000d0000 #define HID_UP_PID 0x000f0000 #define HID_UP_BATTERY 0x00850000 +#define HID_UP_CAMERA 0x00900000 #define HID_UP_HPVENDOR 0xff7f0000 #define HID_UP_HPVENDOR2 0xff010000 #define HID_UP_MSVENDOR 0xff000000 -- 2.39.0