Re: [PATCH 04/10] [media] coda: fix FMO value setting for CodaDx6

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On 09/19/2013 11:13 AM, Philipp Zabel wrote:
> The register is only written on CodaDx6, so the temporary variable
> to be written only needs to be initialized on CodaDx6.
> 
> Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
> ---
>  drivers/media/platform/coda.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c
> index 53539c1..e8acff3 100644
> --- a/drivers/media/platform/coda.c
> +++ b/drivers/media/platform/coda.c
> @@ -2074,10 +2074,10 @@ static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
>  	coda_setup_iram(ctx);
>  
>  	if (dst_fourcc == V4L2_PIX_FMT_H264) {
> -		value  = (FMO_SLICE_SAVE_BUF_SIZE << 7);
> -		value |= (0 & CODA_FMOPARAM_TYPE_MASK) << CODA_FMOPARAM_TYPE_OFFSET;
> -		value |=  0 & CODA_FMOPARAM_SLICENUM_MASK;
>  		if (dev->devtype->product == CODA_DX6) {
> +			value  = (FMO_SLICE_SAVE_BUF_SIZE << 7);
> +			value |= (0 & CODA_FMOPARAM_TYPE_MASK) << CODA_FMOPARAM_TYPE_OFFSET;
> +			value |=  0 & CODA_FMOPARAM_SLICENUM_MASK;

0 & CODA_FMOPARAM_SLICENUM_MASK?

These last two lines evaluate to a nop, so that looks very weird. Is this a bug?

Regards,

	Hans

>  			coda_write(dev, value, CODADX6_CMD_ENC_SEQ_FMO);
>  		} else {
>  			coda_write(dev, ctx->iram_info.search_ram_paddr,
> 

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