V4L/DVB: cx23885, cx25840: Report IR max pulse width regardless of mod/demod use

Compute and report the maximum IR pulse measurment width, even
if we are set to perform carrier modulation or demodulation and
the number is fixed by the carrier freq.

Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 14 insertions, 12 deletions

diff --git a/drivers/media/video/cx23885/cx23888-ir.c b/drivers/media/video/cx23885/cx23888-ir.c
index 51f21636e639..aa07286b8d9b 100644
--- a/drivers/media/video/cx23885/cx23888-ir.c
+++ b/drivers/media/video/cx23885/cx23888-ir.c
@@ -771,12 +771,15 @@ static int cx23888_ir_rx_s_parameters(struct v4l2_subdev *sd,
                                             &p->carrier_range_upper);
                 o->carrier_range_lower = p->carrier_range_lower;
                 o->carrier_range_upper = p->carrier_range_upper;
+
+                p->max_pulse_width =
+                        (u32) pulse_width_count_to_ns(FIFO_RXTX, rxclk_divider);
         } else {
                 p->max_pulse_width =
                             rxclk_rx_s_max_pulse_width(dev, p->max_pulse_width,
                                                        &rxclk_divider);
-                o->max_pulse_width = p->max_pulse_width;
         }
+        o->max_pulse_width = p->max_pulse_width;
         atomic_set(&state->rxclk_divider, rxclk_divider);
 
         p->noise_filter_min_width =
@@ -889,12 +892,15 @@ static int cx23888_ir_tx_s_parameters(struct v4l2_subdev *sd,
 
                 p->duty_cycle = cduty_tx_s_duty_cycle(dev, p->duty_cycle);
                 o->duty_cycle = p->duty_cycle;
+
+                p->max_pulse_width =
+                        (u32) pulse_width_count_to_ns(FIFO_RXTX, txclk_divider);
         } else {
                 p->max_pulse_width =
                             txclk_tx_s_max_pulse_width(dev, p->max_pulse_width,
                                                        &txclk_divider);
-                o->max_pulse_width = p->max_pulse_width;
         }
+        o->max_pulse_width = p->max_pulse_width;
         atomic_set(&state->txclk_divider, txclk_divider);
 
         p->resolution = clock_divider_to_resolution(txclk_divider);
@@ -1000,12 +1006,10 @@ static int cx23888_ir_log_status(struct v4l2_subdev *sd)
                           "-%1d/+%1d, %u to %u Hz\n", i, j,
                           clock_divider_to_freq(rxclk, 16 + j),
                           clock_divider_to_freq(rxclk, 16 - i));
-        } else {
-                v4l2_info(sd, "\tMax measurable pulse width:        %u us, "
-                          "%llu ns\n",
-                          pulse_width_count_to_us(FIFO_RXTX, rxclk),
-                          pulse_width_count_to_ns(FIFO_RXTX, rxclk));
         }
+        v4l2_info(sd, "\tMax measurable pulse width:        %u us, %llu ns\n",
+                  pulse_width_count_to_us(FIFO_RXTX, rxclk),
+                  pulse_width_count_to_ns(FIFO_RXTX, rxclk));
         v4l2_info(sd, "\tLow pass filter:                   %s\n",
                   filtr ? "enabled" : "disabled");
         if (filtr)
@@ -1047,12 +1051,10 @@ static int cx23888_ir_log_status(struct v4l2_subdev *sd)
                           clock_divider_to_carrier_freq(txclk));
                 v4l2_info(sd, "\tCarrier duty cycle:                %2u/16\n",
                           cduty + 1);
-        } else {
-                v4l2_info(sd, "\tMax pulse width:                   %u us, "
-                          "%llu ns\n",
-                          pulse_width_count_to_us(FIFO_RXTX, txclk),
-                          pulse_width_count_to_ns(FIFO_RXTX, txclk));
         }
+        v4l2_info(sd, "\tMax pulse width:                   %u us, %llu ns\n",
+                  pulse_width_count_to_us(FIFO_RXTX, txclk),
+                  pulse_width_count_to_ns(FIFO_RXTX, txclk));
         v4l2_info(sd, "\tBusy:                              %s\n",
                   stats & STATS_TBY ? "yes" : "no");
         v4l2_info(sd, "\tFIFO service requested:            %s\n",