linux-kernel - Re: [PATCH] Bluetooth: hci_qca: fix in-band sleep enablement

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Date:   Fri, 11 Oct 2019 12:51:40 +0530
From:   Balakrishna Godavarthi <bgodavar@...eaurora.org>
To:     Harish Bandi <c-hbandi@...eaurora.org>
Cc:     Claire Chang <tientzu@...omium.org>, marcel@...tmann.org,
        johan.hedberg@...il.com, linux-bluetooth@...r.kernel.org,
        linux-kernel@...r.kernel.org, rjliao@...eaurora.org,
        rongchi@...eaurora.org, linux-bluetooth-owner@...r.kernel.org
Subject: Re: [PATCH] Bluetooth: hci_qca: fix in-band sleep enablement

Hi Claire,

This change will not work  as we need fw files to be loaded tofor IBS to 
active.
may i know on which chipset you have this issue of IBS active even with 
out fw download.

On 2019-10-11 12:31, Harish Bandi wrote:
> ++ Balakrishna
> 
> On 2019-10-09 14:21, Claire Chang wrote:
>> Enabling in-band sleep when there is no patch/nvm-config found and
>> bluetooth is running with the original fw/config.
>> 
>> Fixes: ba8f35979002 ("Bluetooth: hci_qca: Avoid setup failure on
>> missing rampatch")
>> Fixes: 7dc5fe0814c3 ("Bluetooth: hci_qca: Avoid missing rampatch
>> failure with userspace fw loader")
>> Signed-off-by: Claire Chang <tientzu@...omium.org>
>> ---
>>  drivers/bluetooth/hci_qca.c | 11 +++++++----
>>  1 file changed, 7 insertions(+), 4 deletions(-)
>> 
>> diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
>> index e3164c200eac..367eef893a11 100644
>> --- a/drivers/bluetooth/hci_qca.c
>> +++ b/drivers/bluetooth/hci_qca.c
>> @@ -1291,10 +1291,8 @@ static int qca_setup(struct hci_uart *hu)
>>  	/* Setup patch / NVM configurations */
>>  	ret = qca_uart_setup(hdev, qca_baudrate, soc_type, soc_ver,
>>  			firmware_name);
>> -	if (!ret) {
>> -		set_bit(QCA_IBS_ENABLED, &qca->flags);
>> -		qca_debugfs_init(hdev);
>> -	} else if (ret == -ENOENT) {
>> +
>> +	if (ret == -ENOENT) {
>>  		/* No patch/nvm-config found, run with original fw/config */
>>  		ret = 0;
>>  	} else if (ret == -EAGAIN) {
>> @@ -1305,6 +1303,11 @@ static int qca_setup(struct hci_uart *hu)
>>  		ret = 0;
>>  	}
>> 
>> +	if (!ret) {
>> +		set_bit(QCA_IBS_ENABLED, &qca->flags);
>> +		qca_debugfs_init(hdev);
>> +	}
>> +
>>  	/* Setup bdaddr */
>>  	if (qca_is_wcn399x(soc_type))
>>  		hu->hdev->set_bdaddr = qca_set_bdaddr;

-- 
Regards
Balakrishna.