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

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On 19/08/2019 16:35, Neil Armstrong wrote:
> 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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