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d/wmr: avoid using non-self-explanatory numbers for input allocations

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By using an extra, final entry in the according inputs enum instead
of using a hard coded number it should be slightly safer and easier
to verify that the to be allocated inputs array is of correct size.

No functional change.

Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
This commit is contained in:
Linus Lüssing 2023-06-08 21:46:13 +02:00 committed by Jakob Bornecrantz
parent 785e99f115
commit fca4ac41e5
1 changed files with 4 additions and 1 deletions
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5
src/xrt/drivers/wmr/wmr_controller_hp.c
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@ -50,6 +50,8 @@ enum wmr_controller_hp_input_index
WMR_CONTROLLER_INDEX_AIM_POSE,
WMR_CONTROLLER_INDEX_X_A_CLICK,
WMR_CONTROLLER_INDEX_Y_B_CLICK,
/* keep as last: */
WMR_CONTROLLER_INDEX_COUNT
};
#define SET_INPUT(wcb, INDEX, NAME) \
@ -315,7 +317,8 @@ wmr_controller_hp_create(struct wmr_controller_connection *conn,
DRV_TRACE_MARKER();
enum u_device_alloc_flags flags = U_DEVICE_ALLOC_TRACKING_NONE;
struct wmr_controller_hp *ctrl = U_DEVICE_ALLOCATE(struct wmr_controller_hp, flags, 11, 1);
struct wmr_controller_hp *ctrl =
U_DEVICE_ALLOCATE(struct wmr_controller_hp, flags, WMR_CONTROLLER_INDEX_COUNT, 1);
struct wmr_controller_base *wcb = (struct wmr_controller_base *)(ctrl);
if (!wmr_controller_base_init(wcb, conn, controller_type, log_level)) {