From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from proofpoint-cluster.metrocast.net ([65.175.128.136]:24349 "EHLO proofpoint-cluster.metrocast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932522Ab0LSXJ7 (ORCPT ); Sun, 19 Dec 2010 18:09:59 -0500 Subject: [RESEND] [PATCH for 2.6.37] cx23885, cx25840: Provide IR Rx timeout event reports From: Andy Walls To: linux-media@vger.kernel.org Cc: David =?ISO-8859-1?Q?H=E4rdeman?= , Maxim Levitsky , Jarod Wilson , Mauro Carvalho Chehab , stoth@kernellabs.com Content-Type: text/plain; charset="UTF-8" Date: Sun, 19 Dec 2010 18:10:28 -0500 Message-ID: <1292800228.3710.4.camel@morgan.silverblock.net> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit List-ID: Sender: Mauro Carvalho Chehab (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 --- drivers/media/video/cx23885/cx23888-ir.c | 12 ++++++++---- drivers/media/video/cx25840/cx25840-ir.c | 12 ++++++++---- 2 files changed, 16 insertions(+), 8 deletions(-) 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 @@ static int cx23888_ir_rx_read(struct v4l2_subdev *sd, u8 *buf, size_t count, 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 @@ static int cx23888_ir_rx_read(struct v4l2_subdev *sd, u8 *buf, size_t count, 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 @@ static int cx23888_ir_rx_read(struct v4l2_subdev *sd, u8 *buf, size_t count, 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; } diff --git a/drivers/media/video/cx25840/cx25840-ir.c b/drivers/media/video/cx25840/cx25840-ir.c index 627926f..b210c29 100644 --- a/drivers/media/video/cx25840/cx25840-ir.c +++ b/drivers/media/video/cx25840/cx25840-ir.c @@ -668,7 +668,7 @@ static int cx25840_ir_rx_read(struct v4l2_subdev *sd, u8 *buf, size_t count, u16 divider; unsigned int i, n; union cx25840_ir_fifo_rec *p; - unsigned u, v; + unsigned u, v, w; if (ir_state == NULL) return -ENODEV; @@ -694,11 +694,12 @@ static int cx25840_ir_rx_read(struct v4l2_subdev *sd, u8 *buf, size_t count, 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_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( @@ -709,9 +710,12 @@ static int cx25840_ir_rx_read(struct v4l2_subdev *sd, u8 *buf, size_t count, 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_debug, sd, "rx read: %10u ns %s\n", - v, u ? "mark" : "space"); + v4l2_dbg(2, ir_debug, sd, "rx read: %10u ns %s %s\n", + v, u ? "mark" : "space", w ? "(timed out)" : ""); + if (w) + v4l2_dbg(2, ir_debug, sd, "rx read: end of rx\n"); } return 0; }