Re: [PATCH v7 3/9] dw-hdmi-cec: use cec_notifier_cec_adap_(un)register

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On 14/08/2019 12:45, Dariusz Marcinkiewicz wrote:
> Use the new cec_notifier_cec_adap_(un)register() functions to
> (un)register the notifier for the CEC adapter.
> 
> Also adds CEC_CAP_CONNECTOR_INFO capability to the adapter.
> 
> Changes since v3:
> 	- add CEC_CAP_CONNECTOR_INFO to cec_allocate_adapter,
> 	- replace CEC_CAP_LOG_ADDRS | CEC_CAP_TRANSMIT |
> 	CEC_CAP_RC | CEC_CAP_PASSTHROUGH with CEC_CAP_DEFAULTS.
> 
> Signed-off-by: Dariusz Marcinkiewicz <darekm@xxxxxxxxxx>
> Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
> Tested-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
> ---
>  drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c | 13 ++++++-------
>  1 file changed, 6 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c
> index 0f949978d3fcd..ac1e001d08829 100644
> --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c
> +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c
> @@ -256,8 +256,8 @@ static int dw_hdmi_cec_probe(struct platform_device *pdev)
>  	dw_hdmi_write(cec, 0, HDMI_CEC_POLARITY);
>  
>  	cec->adap = cec_allocate_adapter(&dw_hdmi_cec_ops, cec, "dw_hdmi",
> -					 CEC_CAP_LOG_ADDRS | CEC_CAP_TRANSMIT |
> -					 CEC_CAP_RC | CEC_CAP_PASSTHROUGH,
> +					 CEC_CAP_DEFAULTS |
> +					 CEC_CAP_CONNECTOR_INFO,
>  					 CEC_MAX_LOG_ADDRS);
>  	if (IS_ERR(cec->adap))
>  		return PTR_ERR(cec->adap);
> @@ -278,13 +278,14 @@ static int dw_hdmi_cec_probe(struct platform_device *pdev)
>  	if (ret < 0)
>  		return ret;
>  
> -	cec->notify = cec_notifier_get(pdev->dev.parent);
> +	cec->notify = cec_notifier_cec_adap_register(pdev->dev.parent,
> +						     NULL, cec->adap);
>  	if (!cec->notify)
>  		return -ENOMEM;
>  
>  	ret = cec_register_adapter(cec->adap, pdev->dev.parent);
>  	if (ret < 0) {
> -		cec_notifier_put(cec->notify);
> +		cec_notifier_cec_adap_unregister(cec->notify);
>  		return ret;
>  	}
>  
> @@ -294,8 +295,6 @@ static int dw_hdmi_cec_probe(struct platform_device *pdev)
>  	 */
>  	devm_remove_action(&pdev->dev, dw_hdmi_cec_del, cec);
>  
> -	cec_register_cec_notifier(cec->adap, cec->notify);
> -
>  	return 0;
>  }
>  
> @@ -303,8 +302,8 @@ static int dw_hdmi_cec_remove(struct platform_device *pdev)
>  {
>  	struct dw_hdmi_cec *cec = platform_get_drvdata(pdev);
>  
> +	cec_notifier_cec_adap_unregister(cec->notify);
>  	cec_unregister_adapter(cec->adap);
> -	cec_notifier_put(cec->notify);
>  
>  	return 0;
>  }
> 

Reviewed-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
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