pwc_trace 124 drivers/media/usb/pwc/pwc-if.c int pwc_trace = PWC_DEBUG_LEVEL; pwc_trace 1202 drivers/media/usb/pwc/pwc-if.c module_param_named(trace, pwc_trace, int, 0644); pwc_trace 72 drivers/media/usb/pwc/pwc.h if ((PWC_DEBUG_LEVEL_ ##level) & pwc_trace) \ pwc_trace 344 drivers/media/usb/pwc/pwc.h extern int pwc_trace;