Re: [PATCH v2 1/8] android/bluetooth: Refactor handle_start_discovery_cmd

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On Sunday 27 of April 2014 16:54:51 Szymon Janc wrote:
> This makes function flow easier to follow. Also fix usage of
> adapter.exp_discovery_type which should be used only when stopping
> currently running discovery session to restart it with new type.
> ---
>  android/bluetooth.c | 43 +++++++++++++++++++++----------------------
>  1 file changed, 21 insertions(+), 22 deletions(-)
> 
> diff --git a/android/bluetooth.c b/android/bluetooth.c
> index 7d82aba..3931618 100644
> --- a/android/bluetooth.c
> +++ b/android/bluetooth.c
> @@ -3704,39 +3704,38 @@ static void handle_start_discovery_cmd(const void *buf, uint16_t len)
>  {
>  	uint8_t status;
>  
> -	/* Check if there is discovery with BREDR type */
> -	if (adapter.cur_discovery_type & SCAN_TYPE_BREDR) {
> -		status = HAL_STATUS_SUCCESS;
> -		goto reply;
> -	}
> -
>  	if (!(adapter.current_settings & MGMT_SETTING_POWERED)) {
>  		status = HAL_STATUS_NOT_READY;
> -		goto reply;
> +		goto failed;
>  	}
>  
> -	adapter.exp_discovery_type |= SCAN_TYPE_DUAL;
> -
> -	/* If there is no discovery ongoing, try to start discovery */
> -	if (!adapter.cur_discovery_type) {
> -		if (!start_discovery(adapter.exp_discovery_type))
> +	switch (adapter.cur_discovery_type) {
> +	case SCAN_TYPE_DUAL:
> +	case SCAN_TYPE_BREDR:
> +		break;
> +	case SCAN_TYPE_NONE:
> +		if (!start_discovery(SCAN_TYPE_DUAL)) {
>  			status = HAL_STATUS_FAILED;
> -		else
> -			status = HAL_STATUS_SUCCESS;
> +			goto failed;
> +		}
>  
> -		goto reply;
> -	}
> +		break;
> +	case SCAN_TYPE_LE:
> +		if (get_adapter_discovering_type() == SCAN_TYPE_LE)
> +			break;
>  
> -	/* Stop discovery here. Once it is stop we will restart it
> -	 * with exp_discovery_settings */
> -	if (!stop_discovery(adapter.cur_discovery_type)) {
> -		status = HAL_STATUS_FAILED;
> -		goto reply;
> +		if (!stop_discovery(SCAN_TYPE_LE)) {
> +			status = HAL_STATUS_FAILED;
> +			goto failed;
> +		}
> +
> +		adapter.exp_discovery_type = SCAN_TYPE_DUAL;
> +		break;
>  	}
>  
>  	status = HAL_STATUS_SUCCESS;
>  
> -reply:
> +failed:
>  	ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_BLUETOOTH, HAL_OP_START_DISCOVERY,
>  									status);
>  }
> 

Rebased and pushed.

-- 
Best regards, 
Szymon Janc
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