From: Felipe Balbi
...
> +static const char *dwc3_gadget_link_string(enum dwc3_link_state link_state)
> +{
> + switch (link_state) {
> + case DWC3_LINK_STATE_U0:
> + return "U0";
> + case DWC3_LINK_STATE_U1:
> + return "U1";
> + case DWC3_LINK_STATE_U2:
> + return "U2";
> + case DWC3_LINK_STATE_U3:
> + return "U3";
> + case DWC3_LINK_STATE_SS_DIS:
> + return "SS.Disabled";
> + case DWC3_LINK_STATE_RX_DET:
> + return "RX.Detect";
> + case DWC3_LINK_STATE_SS_INACT:
> + return "SS.Inactive";
> + case DWC3_LINK_STATE_POLL:
> + return "Polling";
> + case DWC3_LINK_STATE_RECOV:
> + return "Recovery";
> + case DWC3_LINK_STATE_HRESET:
> + return "Hot Reset";
> + case DWC3_LINK_STATE_CMPLY:
> + return "Compliance";
> + case DWC3_LINK_STATE_LPBK:
> + return "Loopback";
> + case DWC3_LINK_STATE_RESET:
> + return "Reset";
> + case DWC3_LINK_STATE_RESUME:
> + return "Resume";
> + default:
> + return "UNKNOWN link state\n";
> + }
> +}
If the values are dense the compiler will generate much smaller code
if you index an array - possibly even: char msg[][12];
David
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