diff options
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-input.c | 64 | ||||
| -rw-r--r-- | include/media/ir-common.h | 3 |
2 files changed, 63 insertions, 4 deletions
diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c index 241195e8be3..7e6f125e4e3 100644 --- a/drivers/media/video/saa7134/saa7134-input.c +++ b/drivers/media/video/saa7134/saa7134-input.c @@ -421,6 +421,10 @@ static void saa7134_input_timer(unsigned long data) void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir) { + if (ir->running) + return; + + ir->running = 1; if (ir->polling) { setup_timer(&ir->timer, saa7134_input_timer, (unsigned long)dev); @@ -448,8 +452,50 @@ void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir) void saa7134_ir_stop(struct saa7134_dev *dev) { + struct card_ir *ir = dev->remote; + + if (!ir->running) + return; if (dev->remote->polling) del_timer_sync(&dev->remote->timer); + else if (ir->rc5_gpio) + del_timer_sync(&ir->timer_end); + else if (ir->nec_gpio) + tasklet_kill(&ir->tlet); + ir->running = 0; +} + +int saa7134_ir_change_protocol(void *priv, u64 ir_type) +{ + struct saa7134_dev *dev = priv; + struct card_ir *ir = dev->remote; + u32 nec_gpio, rc5_gpio; + + if (ir_type == IR_TYPE_RC5) { + dprintk("Changing protocol to RC5\n"); + nec_gpio = 0; + rc5_gpio = 1; + } else if (ir_type == IR_TYPE_NEC) { + dprintk("Changing protocol to NEC\n"); + nec_gpio = 1; + rc5_gpio = 0; + } else { + dprintk("IR protocol type %ud is not supported\n", + (unsigned)ir_type); + return -EINVAL; + } + + if (ir->running) { + saa7134_ir_stop(dev); + ir->nec_gpio = nec_gpio; + ir->rc5_gpio = rc5_gpio; + saa7134_ir_start(dev, ir); + } else { + ir->nec_gpio = nec_gpio; + ir->rc5_gpio = rc5_gpio; + } + + return 0; } int saa7134_input_init1(struct saa7134_dev *dev) @@ -698,6 +744,9 @@ int saa7134_input_init1(struct saa7134_dev *dev) } ir->dev = input_dev; + dev->remote = ir; + + ir->running = 0; /* init hardware-specific stuff */ ir->mask_keycode = mask_keycode; @@ -713,6 +762,14 @@ int saa7134_input_init1(struct saa7134_dev *dev) snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(dev->pci)); + if (ir_codes->ir_type != IR_TYPE_OTHER) { + ir->props.allowed_protos = IR_TYPE_RC5 | IR_TYPE_NEC; + ir->props.priv = dev; + ir->props.change_protocol = saa7134_ir_change_protocol; + + /* Set IR protocol */ + saa7134_ir_change_protocol(ir->props.priv, ir_codes->ir_type); + } err = ir_input_init(input_dev, &ir->ir, ir_type); if (err < 0) goto err_out_free; @@ -730,13 +787,12 @@ int saa7134_input_init1(struct saa7134_dev *dev) } input_dev->dev.parent = &dev->pci->dev; - dev->remote = ir; - saa7134_ir_start(dev, ir); - - err = ir_input_register(ir->dev, ir_codes, NULL, MODULE_NAME); + err = ir_input_register(ir->dev, ir_codes, &ir->props, MODULE_NAME); if (err) goto err_out_stop; + saa7134_ir_start(dev, ir); + /* the remote isn't as bouncy as a keyboard */ ir->dev->rep[REP_DELAY] = repeat_delay; ir->dev->rep[REP_PERIOD] = repeat_period; diff --git a/include/media/ir-common.h b/include/media/ir-common.h index c30b28384d8..41469b79ad1 100644 --- a/include/media/ir-common.h +++ b/include/media/ir-common.h @@ -51,6 +51,9 @@ struct card_ir { char name[32]; char phys[32]; + u32 running:1; + struct ir_dev_props props; + /* Usual gpio signalling */ u32 mask_keycode; |