# Re: \[PATCH\] video: exynos\_dp: replace link\_status with link\_align to check channel equalization

- From: Florian Tobias Schandinat \<FlorianSchandinat@gmx.de\>
- Date: 2012-09-23 19:37:24 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2012/09/13463973
- Thread: https://ratatoskr.run/linux-fbdev/2012/09/13463972/t.md

```text
On 09/03/2012 08:50 AM, Jingoo Han wrote:
> To check channel equalization, the value of LANE_ALIGN_STATUS_UPDATED is
> necessary in exynos_dp_channel_eq_ok(). Also, link_align includes this value.
> However, link_status does not include this value, so it makes the problem
> that channel equalization is failed during link training.
> 
> Signed-off-by: Jingoo Han <redacted>

Applied.


Thanks,

Florian Tobias Schandinat

> ---
>  drivers/video/exynos/exynos_dp_core.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c
> index f57c915..cdc1398 100644
> --- a/drivers/video/exynos/exynos_dp_core.c
> +++ b/drivers/video/exynos/exynos_dp_core.c
> @@ -587,7 +587,7 @@ static int exynos_dp_process_equalizer_training(struct exynos_dp_device *dp)
>  			dp->link_train.training_lane[lane] = training_lane;
>  		}
>  
> -		if (exynos_dp_channel_eq_ok(link_status, lane_count) = 0) {
> +		if (exynos_dp_channel_eq_ok(link_align, lane_count) = 0) {
>  			/* traing pattern Set to Normal */
>  			exynos_dp_training_pattern_dis(dp);
>  

```