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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>
This commit is contained in:
Andy Walls 2010-07-31 21:57:42 -03:00 committed by Mauro Carvalho Chehab
parent 0c82a8fb5a
commit ceb152add6
2 changed files with 28 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
drivers/media/video/cx23885/cx23888-ir.c
View File

@ -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",

26
drivers/media/video/cx25840/cx25840-ir.c
View File

@ -791,12 +791,15 @@ static int cx25840_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(c, p->max_pulse_width,
&rxclk_divider);
o->max_pulse_width = p->max_pulse_width;
}
o->max_pulse_width = p->max_pulse_width;
atomic_set(&ir_state->rxclk_divider, rxclk_divider);
p->noise_filter_min_width =
@ -970,12 +973,15 @@ static int cx25840_ir_tx_s_parameters(struct v4l2_subdev *sd,
p->duty_cycle = cduty_tx_s_duty_cycle(c, 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(c, p->max_pulse_width,
&txclk_divider);
o->max_pulse_width = p->max_pulse_width;
}
o->max_pulse_width = p->max_pulse_width;
atomic_set(&ir_state->txclk_divider, txclk_divider);
p->resolution = clock_divider_to_resolution(txclk_divider);
@ -1094,12 +1100,10 @@ int cx25840_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)
@ -1139,12 +1143,10 @@ int cx25840_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",