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[199.106.103.254]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2b7a16cf8d6sm911226eec.3.2026.01.27.19.17.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 27 Jan 2026 19:17:54 -0800 (PST) Message-ID: Date: Wed, 28 Jan 2026 11:17:49 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/2] Bluetooth: hci_qca: Enable HFP hardware offload for WCN6855 To: Dmitry Baryshkov Cc: Bartosz Golaszewski , Marcel Holtmann , Luiz Augusto von Dentz , linux-arm-msm@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, shuai.zhang@oss.qualcomm.com, cheng.jiang@oss.qualcomm.com, chezhou@qti.qualcomm.com, wei.deng@oss.qualcomm.com, yiboz@qti.qualcomm.com References: <20260126162444.4194293-1-mengshi.wu@oss.qualcomm.com> <20260126162444.4194293-3-mengshi.wu@oss.qualcomm.com> <7b9fec28-2272-4ff7-9575-76e72cecada5@oss.qualcomm.com> Content-Language: en-US From: Mengshi Wu In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTI4MDAyMiBTYWx0ZWRfX8DMklRMe9EyA 7MzPDbvxJnI2E9TcW0OQToSzLuqk/DFpzDiTMAQPZabWv7LrjyzVOvvVXAn95xBf1lAOusKTTJo Ukoa6FKwIH0GFvLd4IOrXD2gMXgEl9tnA3w3teoiTPxGTGKHsPkTiYgSAwRPk03mvq/LETJEQz/ Jj9mkBk2WH5xGz6txghWQOPYm70IRIgP7NrCXrBQ01+jhp/1stSzzYL4ThhEo8KnLTeFqwbs4b8 gz5c5M8gTV8WlhVOCH7jkUSVBUoRsW58iiu8rhOhsIRQ49yfR5AiCPRQArJYpT/MzwUiT3lR60N 7TXHFvqeCVxoEr82mrfM0rpvJHDO/C0BEC4SjNf6pmCAsYQz1Q70HCuqm52z0ifl04jK3oK4CrX MF/dqG0PRFJjHpce48r6X8NUSrPw5xwSZ3iG+ZQr2yzroli27E7H6WTRvV96eJs3ncakQIRpBHP X9Eh8sncYLXibnUcJIA== X-Proofpoint-GUID: a8UjlIVg0nFNIx_3lnEWgY3ETzSAQMLl X-Proofpoint-ORIG-GUID: a8UjlIVg0nFNIx_3lnEWgY3ETzSAQMLl X-Authority-Analysis: v=2.4 cv=YeuwJgRf c=1 sm=1 tr=0 ts=69797fe4 cx=c_pps a=wEP8DlPgTf/vqF+yE6f9lg==:117 a=JYp8KDb2vCoCEuGobkYCKw==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=4l2wOaegfIFoHesmqJYA:9 a=QEXdDO2ut3YA:10 a=bBxd6f-gb0O0v-kibOvt:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-01-27_05,2026-01-27_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 spamscore=0 bulkscore=0 adultscore=0 priorityscore=1501 suspectscore=0 phishscore=0 clxscore=1015 impostorscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2601280022 Hi, On 1/27/2026 11:06 PM, Dmitry Baryshkov wrote: > On Tue, Jan 27, 2026 at 10:32:58AM +0800, Mengshi Wu wrote: >> >> >> On 1/27/2026 1:51 AM, Dmitry Baryshkov wrote: >>> On Tue, Jan 27, 2026 at 12:24:44AM +0800, Mengshi Wu wrote: >>>> Add QCA_CAP_HFP_HW_OFFLOAD capability flag to WCN6855 device >>>> data structures to enable Hands-Free Profile (HFP) hardware >>>> offload support on these Qualcomm Bluetooth chipsets. >>>> >>>> Signed-off-by: Mengshi Wu >>>> --- >>>> drivers/bluetooth/hci_qca.c | 3 ++- >>>> 1 file changed, 2 insertions(+), 1 deletion(-) >>>> >>> >>> Any other chips which would benefit from this flag? If you are setting >>> it for WCN6855, I'd assume that it also applies to WCN7850. Should it be >>> set for WCN6750? >>> >> >> Thanks for the reminder. This should also apply to WCN7850. WCN6750 is not >> considered at this time. > > What does it mean? It either supports HFP ofload, or not. Does it? > We have not yet enabled the WCN6750 hardware offload feature from the software side. Other chips will support this feature subsequently. If I add the flag too early, it may be kind of misleading since the feature is not really ready yet.