Re: [PATCH 4/5] IR: ene_ir: add support for carrier reports

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Em 15-10-2010 13:06, Maxim Levitsky escreveu:
> Signed-off-by: Maxim Levitsky <maximlevitsky@xxxxxxxxx>
> ---
>  drivers/media/IR/ene_ir.c |   37 +++++++++++++++++++++++++++++--------
>  1 files changed, 29 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/media/IR/ene_ir.c b/drivers/media/IR/ene_ir.c
> index 8639621..1962652 100644
> --- a/drivers/media/IR/ene_ir.c
> +++ b/drivers/media/IR/ene_ir.c
> @@ -193,10 +193,11 @@ static int ene_hw_detect(struct ene_device *dev)
>  /* Sense current received carrier */
>  void ene_rx_sense_carrier(struct ene_device *dev)
>  {
> +	DEFINE_IR_RAW_EVENT(ev);
> +

Hmm... shouldn't it be in the patch that adds DEFINE_IR_RAW_EVENT(ev) ?

This way, it will likely break git bisect.

Anyway, as patch 2/5 weren't applied, I can't apply this one either.

the other 2 patches were applied.

> +	int carrier, duty_cycle;
>  	int period = ene_read_reg(dev, ENE_CIRCAR_PRD);
>  	int hperiod = ene_read_reg(dev, ENE_CIRCAR_HPRD);
> -	int carrier, duty_cycle;
> -
>  
>  	if (!(period & ENE_CIRCAR_PRD_VALID))
>  		return;
> @@ -209,13 +210,16 @@ void ene_rx_sense_carrier(struct ene_device *dev)
>  	dbg("RX: hardware carrier period = %02x", period);
>  	dbg("RX: hardware carrier pulse period = %02x", hperiod);
>  
> -
>  	carrier = 2000000 / period;
>  	duty_cycle = (hperiod * 100) / period;
>  	dbg("RX: sensed carrier = %d Hz, duty cycle %d%%",
> -							carrier, duty_cycle);
> -
> -	/* TODO: Send carrier & duty cycle to IR layer */
> +						carrier, duty_cycle);
> +	if (dev->carrier_detect_enabled) {
> +		ev.carrier_report = true;
> +		ev.carrier = carrier;
> +		ev.duty_cycle = duty_cycle;
> +		ir_raw_event_store(dev->idev, &ev);
> +	}
>  }
>  
>  /* this enables/disables the CIR RX engine */
> @@ -724,7 +728,7 @@ static irqreturn_t ene_isr(int irq, void *data)
>  
>  	dbg_verbose("RX interrupt");
>  
> -	if (dev->carrier_detect_enabled || debug)
> +	if (dev->hw_learning_and_tx_capable)
>  		ene_rx_sense_carrier(dev);
>  
>  	/* On hardware that don't support extra buffer we need to trust
> @@ -897,6 +901,23 @@ static int ene_set_learning_mode(void *data, int enable)
>  	return 0;
>  }
>  
> +static int ene_set_carrier_report(void *data, int enable)
> +{
> +	struct ene_device *dev = (struct ene_device *)data;
> +	unsigned long flags;
> +
> +	if (enable == dev->carrier_detect_enabled)
> +		return 0;
> +
> +	spin_lock_irqsave(&dev->hw_lock, flags);
> +	dev->carrier_detect_enabled = enable;
> +	ene_rx_disable(dev);
> +	ene_rx_setup(dev);
> +	ene_rx_enable(dev);
> +	spin_unlock_irqrestore(&dev->hw_lock, flags);
> +	return 0;
> +}
> +
>  /* outside interface: enable or disable idle mode */
>  static void ene_rx_set_idle(void *data, bool idle)
>  {
> @@ -1029,7 +1050,7 @@ static int ene_probe(struct pnp_dev *pnp_dev, const struct pnp_device_id *id)
>  		ir_props->s_tx_mask = ene_set_tx_mask;
>  		ir_props->s_tx_carrier = ene_set_tx_carrier;
>  		ir_props->s_tx_duty_cycle = ene_set_tx_duty_cycle;
> -		/* ir_props->s_carrier_report = ene_set_carrier_report; */
> +		ir_props->s_carrier_report = ene_set_carrier_report;
>  	}
>  
>  	ene_setup_hw_buffer(dev);

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