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path: root/drivers/media/rc/nuvoton-cir.c
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Diffstat (limited to 'drivers/media/rc/nuvoton-cir.c')
-rw-r--r--drivers/media/rc/nuvoton-cir.c45
1 files changed, 8 insertions, 37 deletions
diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c
index eae05b500476..144f3f55d765 100644
--- a/drivers/media/rc/nuvoton-cir.c
+++ b/drivers/media/rc/nuvoton-cir.c
@@ -618,7 +618,6 @@ static void nvt_dump_rx_buf(struct nvt_dev *nvt)
static void nvt_process_rx_ir_data(struct nvt_dev *nvt)
{
DEFINE_IR_RAW_EVENT(rawir);
- unsigned int count;
u32 carrier;
u8 sample;
int i;
@@ -631,65 +630,38 @@ static void nvt_process_rx_ir_data(struct nvt_dev *nvt)
if (nvt->carrier_detect_enabled)
carrier = nvt_rx_carrier_detect(nvt);
- count = nvt->pkts;
- nvt_dbg_verbose("Processing buffer of len %d", count);
+ nvt_dbg_verbose("Processing buffer of len %d", nvt->pkts);
init_ir_raw_event(&rawir);
- for (i = 0; i < count; i++) {
- nvt->pkts--;
+ for (i = 0; i < nvt->pkts; i++) {
sample = nvt->buf[i];
rawir.pulse = ((sample & BUF_PULSE_BIT) != 0);
rawir.duration = US_TO_NS((sample & BUF_LEN_MASK)
* SAMPLE_PERIOD);
- if ((sample & BUF_LEN_MASK) == BUF_LEN_MASK) {
- if (nvt->rawir.pulse == rawir.pulse)
- nvt->rawir.duration += rawir.duration;
- else {
- nvt->rawir.duration = rawir.duration;
- nvt->rawir.pulse = rawir.pulse;
- }
- continue;
- }
-
- rawir.duration += nvt->rawir.duration;
+ nvt_dbg("Storing %s with duration %d",
+ rawir.pulse ? "pulse" : "space", rawir.duration);
- init_ir_raw_event(&nvt->rawir);
- nvt->rawir.duration = 0;
- nvt->rawir.pulse = rawir.pulse;
-
- if (sample == BUF_PULSE_BIT)
- rawir.pulse = false;
-
- if (rawir.duration) {
- nvt_dbg("Storing %s with duration %d",
- rawir.pulse ? "pulse" : "space",
- rawir.duration);
-
- ir_raw_event_store_with_filter(nvt->rdev, &rawir);
- }
+ ir_raw_event_store_with_filter(nvt->rdev, &rawir);
/*
* BUF_PULSE_BIT indicates end of IR data, BUF_REPEAT_BYTE
* indicates end of IR signal, but new data incoming. In both
* cases, it means we're ready to call ir_raw_event_handle
*/
- if ((sample == BUF_PULSE_BIT) && nvt->pkts) {
+ if ((sample == BUF_PULSE_BIT) && (i + 1 < nvt->pkts)) {
nvt_dbg("Calling ir_raw_event_handle (signal end)\n");
ir_raw_event_handle(nvt->rdev);
}
}
+ nvt->pkts = 0;
+
nvt_dbg("Calling ir_raw_event_handle (buffer empty)\n");
ir_raw_event_handle(nvt->rdev);
- if (nvt->pkts) {
- nvt_dbg("Odd, pkts should be 0 now... (its %u)", nvt->pkts);
- nvt->pkts = 0;
- }
-
nvt_dbg_verbose("%s done", __func__);
}
@@ -1048,7 +1020,6 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id)
spin_lock_init(&nvt->nvt_lock);
spin_lock_init(&nvt->tx.lock);
- init_ir_raw_event(&nvt->rawir);
ret = -EBUSY;
/* now claim resources */