Re: omap3isp: sequence number in v4l2 buffer not incremented

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Hi Kruno,

On Friday 10 February 2012 17:18:22 Kruno Mrak wrote:
> Laurent,
> 
> thank you for the patch.
> It was a bit tricky to get it work as our kernel is based
> on 2.6.38, but i succeeded.
> The frame_number is incremented now.

Thanks for the confirmation. I'll test the patch with the CCP2 and CSI2 
receivers, and I'll then push it to mainline.

> The following changes are not clear to me, are they really necessary to
> get frame_number incremented?

It isn't when using the CCDC parallel input. It removes frame number 
incrementation from the CCP2 module, as the frame number is now incremented in 
the CCDC module.

> @@ -350,7 +337,6 @@ static void ccp2_lcx_config(struct isp_ccp2_device
> *ccp2,
>  	      ISPCCP2_LC01_IRQSTATUS_LC0_CRC_IRQ |
>  	      ISPCCP2_LC01_IRQSTATUS_LC0_FSP_IRQ |
>  	      ISPCCP2_LC01_IRQSTATUS_LC0_FW_IRQ |
> -	      ISPCCP2_LC01_IRQSTATUS_LC0_FS_IRQ |
>  	      ISPCCP2_LC01_IRQSTATUS_LC0_FSC_IRQ |
>  	      ISPCCP2_LC01_IRQSTATUS_LC0_SSC_IRQ;
> 
> @@ -378,21 +378,17 @@ static void csi2_timing_config(struct isp_device *isp,
> static void csi2_irq_ctx_set(struct isp_device *isp,
>  			     struct isp_csi2_device *csi2, int enable)
>  {
> -	u32 reg = ISPCSI2_CTX_IRQSTATUS_FE_IRQ;
>  	int i;
> 
> -	if (csi2->use_fs_irq)
> -		reg |= ISPCSI2_CTX_IRQSTATUS_FS_IRQ;
> -
>  	for (i = 0; i < 8; i++) {
> -		isp_reg_writel(isp, reg, csi2->regs1,
> +		isp_reg_writel(isp, ISPCSI2_CTX_IRQSTATUS_FE_IRQ, csi2->regs1,
>  			       ISPCSI2_CTX_IRQSTATUS(i));
>  		if (enable)
>  			isp_reg_set(isp, csi2->regs1, ISPCSI2_CTX_IRQENABLE(i),
> -				    reg);
> +				    ISPCSI2_CTX_IRQSTATUS_FE_IRQ);
>  		else
>  			isp_reg_clr(isp, csi2->regs1, ISPCSI2_CTX_IRQENABLE(i),
> -				    reg);
> +				    ISPCSI2_CTX_IRQSTATUS_FE_IRQ);
>  	}
>  }

-- 
Regards,

Laurent Pinchart
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