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Sun, 14 Dec 2025 23:29:26 -0800 (PST) X-Google-Smtp-Source: AGHT+IGjE6vR9hn3zNAd+EEtj9kQeIGPHG2K2FSEfCUMVH0AsQZMVo13EwxnJ2rOJ7vUhPEkmHK2fw== X-Received: by 2002:a17:902:f786:b0:295:55f:8ebb with SMTP id d9443c01a7336-29f24e9fb9dmr89695635ad.21.1765783765864; Sun, 14 Dec 2025 23:29:25 -0800 (PST) Received: from [10.218.23.240] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29ee9b36a80sm124266065ad.19.2025.12.14.23.29.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 14 Dec 2025 23:29:25 -0800 (PST) Message-ID: <370a9d69-1706-438a-bb36-01a22e5cf540@oss.qualcomm.com> Date: Mon, 15 Dec 2025 12:59:19 +0530 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 0/2] ASoC: qcom: q6dsp-lpass-ports: Expand sampling rate and PCM format constraints To: Alexey Klimov , Srinivas Kandagatla , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai Cc: linux-sound@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@oss.qualcomm.com, mohammad.rafi.shaik@oss.qualcomm.com, ajay.nandam@oss.qualcomm.com References: <20251210065157.2775514-1-ravi.hothi@oss.qualcomm.com> Content-Language: en-US From: Ravi Hothi In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjE1MDA2MiBTYWx0ZWRfXwhBO5I3jvixT I+MX5prFO+oDxK13VDNE5IiBTRueaZKOn7zSCQf8pt+sUS5de+fBE9ja7EX6H+QcLydL8b7dYQ1 rXuih7v+ih6mjneO7gTbrtkcwnbUrOpow6pxmQS31KRik2fpO1vS6zrD3zvmu1Ub68k4E13I8hc 5XdZsUDajEseIeBWlqkOBh6PhZkEatQFjz72wyoh6ugHlbkAMHtewGwkjeLrGWEs/4kklfPg6Ae AoALBzWQbvbSTVTrzXi04cJ0u/+L1vsrlVjibbi8Hs4wzKp5fMKmPvKDgHzc1TuU6M5pptecYGb sM+pjWXQ3SP55TojIqnTQWrLj7ssDtC67RQ5//sYIWYbdnrI4tFbUpz0+fJcUXQNLlO9dsK4TpE tAjRIZxwn7x7EEK32dpugJD1XL0BpQ== X-Proofpoint-GUID: gPvT1x-fpyFS4on0pUAaBgG6ZGwDpWVN X-Authority-Analysis: v=2.4 cv=E6nAZKdl c=1 sm=1 tr=0 ts=693fb8d7 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=ZkpuqGqE320risMCgIgA:9 a=QEXdDO2ut3YA:10 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-ORIG-GUID: gPvT1x-fpyFS4on0pUAaBgG6ZGwDpWVN X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-12-14_07,2025-12-15_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 suspectscore=0 adultscore=0 clxscore=1015 spamscore=0 priorityscore=1501 impostorscore=0 malwarescore=0 lowpriorityscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512150062 On 12/10/2025 7:26 PM, Alexey Klimov wrote: > On Wed Dec 10, 2025 at 6:51 AM GMT, Ravi Hothi wrote: >> This patch series expands the existing constraints in >> the q6dsp-lpass-ports driver to improve compatibility >> and flexibility for audio stream configurations. >> >> The first patch extends the supported sampling rates to cover a wider >> range, from 8000 Hz to 192000 Hz, ensuring better compatibility with >> diverse audio hardware and allowing more flexible audio stream setups. >> >> The second patch adds support for the 32-bit PCM format >> (SNDRV_PCM_FMTBIT_S32_LE) alongside the existing 16-bit >> and 24-bit formats, enabling handling of high-resolution >> audio streams and improving audio quality for supported hardware. > > Is q6dsp-lpass-ports involved in compress offloaded playback on > existing devices? If yes, then how is it gonna play with > explicitly setting format/sampling rate to s16le/48k in sndcards drivers? > Support for s16le/48k is already available; these patch will expand the existing constraint so that customers can use a wider range. Thanks Ravi Hothi > [..] > > Best regards, > Alexey