Checkpatch:
------------------------------
WARNING: line over 80 characters
#45: FILE: drivers/media/platform/coda/coda-common.c:199:
+               /* If this context is currently running, update the hardware
flag */

WARNING: line over 80 characters
#46: FILE: drivers/media/platform/coda/coda-common.c:200:
+               coda_write(dev, ctx->bit_stream_param,
CODA_REG_BIT_BIT_STREAM_PARAM);

-- 
Kamil Debski
Samsung R&D Institute Poland


> -----Original Message-----
> From: Philipp Zabel [mailto:p.za...@pengutronix.de]
> Sent: Wednesday, July 23, 2014 5:29 PM
> To: linux-media@vger.kernel.org
> Cc: Mauro Carvalho Chehab; Kamil Debski; Fabio Estevam; Hans Verkuil;
> Nicolas Dufresne; ker...@pengutronix.de; Philipp Zabel
> Subject: [PATCH 5/8] [media] coda: add coda_bit_stream_set_flag helper
> 
> This adds a helper function to consolidate three occurences where the
> bitstream parameter stream end flag is set during operation.
> 
> Signed-off-by: Philipp Zabel <p.za...@pengutronix.de>
> ---
>  drivers/media/platform/coda/coda-common.c | 52 +++++++++++------------
> --------
>  1 file changed, 19 insertions(+), 33 deletions(-)
> 
> diff --git a/drivers/media/platform/coda/coda-common.c
> b/drivers/media/platform/coda/coda-common.c
> index 04a7b12..547744a 100644
> --- a/drivers/media/platform/coda/coda-common.c
> +++ b/drivers/media/platform/coda/coda-common.c
> @@ -187,6 +187,20 @@ static int coda_hw_reset(struct coda_ctx *ctx)
>       return ret;
>  }
> 
> +static void coda_bit_stream_end_flag(struct coda_ctx *ctx) {
> +     struct coda_dev *dev = ctx->dev;
> +
> +     ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
> +
> +     if ((dev->devtype->product == CODA_960) &&
> +         coda_isbusy(dev) &&
> +         (ctx->idx == coda_read(dev, CODA_REG_BIT_RUN_INDEX))) {
> +             /* If this context is currently running, update the
> hardware flag */
> +             coda_write(dev, ctx->bit_stream_param,
> CODA_REG_BIT_BIT_STREAM_PARAM);
> +     }
> +}
> +
>  static struct coda_q_data *get_q_data(struct coda_ctx *ctx,
>                                        enum v4l2_buf_type type)
>  {
> @@ -732,7 +746,6 @@ static int coda_decoder_cmd(struct file *file, void
> *fh,
>                           struct v4l2_decoder_cmd *dc)
>  {
>       struct coda_ctx *ctx = fh_to_ctx(fh);
> -     struct coda_dev *dev = ctx->dev;
>       int ret;
> 
>       ret = coda_try_decoder_cmd(file, fh, dc); @@ -743,15 +756,8 @@
> static int coda_decoder_cmd(struct file *file, void *fh,
>       if (ctx->inst_type != CODA_INST_DECODER)
>               return 0;
> 
> -     /* Set the strem-end flag on this context */
> -     ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
> -
> -     if ((dev->devtype->product == CODA_960) &&
> -         coda_isbusy(dev) &&
> -         (ctx->idx == coda_read(dev, CODA_REG_BIT_RUN_INDEX))) {
> -             /* If this context is currently running, update the
> hardware flag */
> -             coda_write(dev, ctx->bit_stream_param,
> CODA_REG_BIT_BIT_STREAM_PARAM);
> -     }
> +     /* Set the stream-end flag on this context */
> +     coda_bit_stream_end_flag(ctx);
>       ctx->hold = false;
>       v4l2_m2m_try_schedule(ctx->fh.m2m_ctx);
> 
> @@ -1474,7 +1480,6 @@ static int coda_buf_prepare(struct vb2_buffer
> *vb)  static void coda_buf_queue(struct vb2_buffer *vb)  {
>       struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
> -     struct coda_dev *dev = ctx->dev;
>       struct coda_q_data *q_data;
> 
>       q_data = get_q_data(ctx, vb->vb2_queue->type); @@ -1489,15
> +1494,8 @@ static void coda_buf_queue(struct vb2_buffer *vb)
>                * For backwards compatibility, queuing an empty buffer
> marks
>                * the stream end
>                */
> -             if (vb2_get_plane_payload(vb, 0) == 0) {
> -                     ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
> -                     if ((dev->devtype->product == CODA_960) &&
> -                         coda_isbusy(dev) &&
> -                         (ctx->idx == coda_read(dev,
> CODA_REG_BIT_RUN_INDEX))) {
> -                             /* if this decoder instance is running, set
the
> stream end flag */
> -                             coda_write(dev, ctx->bit_stream_param,
> CODA_REG_BIT_BIT_STREAM_PARAM);
> -                     }
> -             }
> +             if (vb2_get_plane_payload(vb, 0) == 0)
> +                     coda_bit_stream_end_flag(ctx);
>               mutex_lock(&ctx->bitstream_mutex);
>               v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
>               if (vb2_is_streaming(vb->vb2_queue))
> @@ -2494,19 +2492,7 @@ static void coda_stop_streaming(struct vb2_queue
> *q)
>                        "%s: output\n", __func__);
>               ctx->streamon_out = 0;
> 
> -             if (ctx->inst_type == CODA_INST_DECODER &&
> -                 coda_isbusy(dev) && ctx->idx == coda_read(dev,
> CODA_REG_BIT_RUN_INDEX)) {
> -                     /* if this decoder instance is running, set the
> stream end flag */
> -                     if (dev->devtype->product == CODA_960) {
> -                             u32 val = coda_read(dev,
> CODA_REG_BIT_BIT_STREAM_PARAM);
> -
> -                             val |= CODA_BIT_STREAM_END_FLAG;
> -                             coda_write(dev, val,
> CODA_REG_BIT_BIT_STREAM_PARAM);
> -                             ctx->bit_stream_param = val;
> -                     }
> -             }
> -             ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
> -
> +             coda_bit_stream_end_flag(ctx);
>               ctx->isequence = 0;
>       } else {
>               v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
> --
> 2.0.1

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