[media] cx23885, cx25840: Provide IR Rx timeout event reports
(Resending because Mauro reported losing some emails on IRC)
Provide CX2388[578] IR receive timeout (RTO) reports in the
final space raw event sent up the chain to the raw IR pulse
decoders. This should allow the lirc decoder to actually
measure the inter-transmission gap properly.
Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/cx23885/cx23888-ir.c b/drivers/media/video/cx23885/cx23888-ir.c
index e37be6f..bb1ce34 100644
--- a/drivers/media/video/cx23885/cx23888-ir.c
+++ b/drivers/media/video/cx23885/cx23888-ir.c
@@ -673,7 +673,7 @@
unsigned int i, n;
union cx23888_ir_fifo_rec *p;
- unsigned u, v;
+ unsigned u, v, w;
n = count / sizeof(union cx23888_ir_fifo_rec)
* sizeof(union cx23888_ir_fifo_rec);
@@ -692,11 +692,12 @@
if ((p->hw_fifo_data & FIFO_RXTX_RTO) == FIFO_RXTX_RTO) {
/* Assume RTO was because of no IR light input */
u = 0;
- v4l2_dbg(2, ir_888_debug, sd, "rx read: end of rx\n");
+ w = 1;
} else {
u = (p->hw_fifo_data & FIFO_RXTX_LVL) ? 1 : 0;
if (invert)
u = u ? 0 : 1;
+ w = 0;
}
v = (unsigned) pulse_width_count_to_ns(
@@ -707,9 +708,12 @@
init_ir_raw_event(&p->ir_core_data);
p->ir_core_data.pulse = u;
p->ir_core_data.duration = v;
+ p->ir_core_data.timeout = w;
- v4l2_dbg(2, ir_888_debug, sd, "rx read: %10u ns %s\n",
- v, u ? "mark" : "space");
+ v4l2_dbg(2, ir_888_debug, sd, "rx read: %10u ns %s %s\n",
+ v, u ? "mark" : "space", w ? "(timed out)" : "");
+ if (w)
+ v4l2_dbg(2, ir_888_debug, sd, "rx read: end of rx\n");
}
return 0;
}