aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/rc/nuvoton-cir.c
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2011-10-20 12:30:25 -0400
committerArnd Bergmann <arnd@arndb.de>2011-10-20 12:30:25 -0400
commit995a0605a6665858d73f9e80053414909be33f27 (patch)
treefcc66a6a77acdaae492f77c0c58c0233db74a2b4 /drivers/media/rc/nuvoton-cir.c
parenta32750c2ca6f697903b19063fc86f4272865e3a1 (diff)
parent677d3e2f07d1b3d6d2f76fd5552d16a53b9236a0 (diff)
Merge branch 'at91/trng' into next/driver
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)
618static void nvt_process_rx_ir_data(struct nvt_dev *nvt) 618static void nvt_process_rx_ir_data(struct nvt_dev *nvt)
619{ 619{
620 DEFINE_IR_RAW_EVENT(rawir); 620 DEFINE_IR_RAW_EVENT(rawir);
621 unsigned int count;
622 u32 carrier; 621 u32 carrier;
623 u8 sample; 622 u8 sample;
624 int i; 623 int i;
@@ -631,65 +630,38 @@ static void nvt_process_rx_ir_data(struct nvt_dev *nvt)
631 if (nvt->carrier_detect_enabled) 630 if (nvt->carrier_detect_enabled)
632 carrier = nvt_rx_carrier_detect(nvt); 631 carrier = nvt_rx_carrier_detect(nvt);
633 632
634 count = nvt->pkts; 633 nvt_dbg_verbose("Processing buffer of len %d", nvt->pkts);
635 nvt_dbg_verbose("Processing buffer of len %d", count);
636 634
637 init_ir_raw_event(&rawir); 635 init_ir_raw_event(&rawir);
638 636
639 for (i = 0; i < count; i++) { 637 for (i = 0; i < nvt->pkts; i++) {
640 nvt->pkts--;
641 sample = nvt->buf[i]; 638 sample = nvt->buf[i];
642 639
643 rawir.pulse = ((sample & BUF_PULSE_BIT) != 0); 640 rawir.pulse = ((sample & BUF_PULSE_BIT) != 0);
644 rawir.duration = US_TO_NS((sample & BUF_LEN_MASK) 641 rawir.duration = US_TO_NS((sample & BUF_LEN_MASK)
645 * SAMPLE_PERIOD); 642 * SAMPLE_PERIOD);
646 643
647 if ((sample & BUF_LEN_MASK) == BUF_LEN_MASK) { 644 nvt_dbg("Storing %s with duration %d",
648 if (nvt->rawir.pulse == rawir.pulse) 645 rawir.pulse ? "pulse" : "space", rawir.duration);
649 nvt->rawir.duration += rawir.duration;
650 else {
651 nvt->rawir.duration = rawir.duration;
652 nvt->rawir.pulse = rawir.pulse;
653 }
654 continue;
655 }
656
657 rawir.duration += nvt->rawir.duration;
658 646
659 init_ir_raw_event(&nvt->rawir); 647 ir_raw_event_store_with_filter(nvt->rdev, &rawir);
660 nvt->rawir.duration = 0;
661 nvt->rawir.pulse = rawir.pulse;
662
663 if (sample == BUF_PULSE_BIT)
664 rawir.pulse = false;
665
666 if (rawir.duration) {
667 nvt_dbg("Storing %s with duration %d",
668 rawir.pulse ? "pulse" : "space",
669 rawir.duration);
670
671 ir_raw_event_store_with_filter(nvt->rdev, &rawir);
672 }
673 648
674 /* 649 /*
675 * BUF_PULSE_BIT indicates end of IR data, BUF_REPEAT_BYTE 650 * BUF_PULSE_BIT indicates end of IR data, BUF_REPEAT_BYTE
676 * indicates end of IR signal, but new data incoming. In both 651 * indicates end of IR signal, but new data incoming. In both
677 * cases, it means we're ready to call ir_raw_event_handle 652 * cases, it means we're ready to call ir_raw_event_handle
678 */ 653 */
679 if ((sample == BUF_PULSE_BIT) && nvt->pkts) { 654 if ((sample == BUF_PULSE_BIT) && (i + 1 < nvt->pkts)) {
680 nvt_dbg("Calling ir_raw_event_handle (signal end)\n"); 655 nvt_dbg("Calling ir_raw_event_handle (signal end)\n");
681 ir_raw_event_handle(nvt->rdev); 656 ir_raw_event_handle(nvt->rdev);
682 } 657 }
683 } 658 }
684 659
660 nvt->pkts = 0;
661
685 nvt_dbg("Calling ir_raw_event_handle (buffer empty)\n"); 662 nvt_dbg("Calling ir_raw_event_handle (buffer empty)\n");
686 ir_raw_event_handle(nvt->rdev); 663 ir_raw_event_handle(nvt->rdev);
687 664
688 if (nvt->pkts) {
689 nvt_dbg("Odd, pkts should be 0 now... (its %u)", nvt->pkts);
690 nvt->pkts = 0;
691 }
692
693 nvt_dbg_verbose("%s done", __func__); 665 nvt_dbg_verbose("%s done", __func__);
694} 666}
695 667
@@ -1048,7 +1020,6 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id)
1048 1020
1049 spin_lock_init(&nvt->nvt_lock); 1021 spin_lock_init(&nvt->nvt_lock);
1050 spin_lock_init(&nvt->tx.lock); 1022 spin_lock_init(&nvt->tx.lock);
1051 init_ir_raw_event(&nvt->rawir);
1052 1023
1053 ret = -EBUSY; 1024 ret = -EBUSY;
1054 /* now claim resources */ 1025 /* now claim resources */