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Wed, 17 Dec 2025 03:38:04 -0800 (PST) Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Wed, 17 Dec 2025 11:38:03 +0000 Message-Id: To: "Ravi Hothi" , "Srinivas Kandagatla" , "Liam Girdwood" , "Mark Brown" , "Jaroslav Kysela" , "Takashi Iwai" Cc: , , , , , Subject: Re: [PATCH v2 0/2] ASoC: qcom: q6dsp-lpass-ports: Expand sampling rate and PCM format constraints From: "Alexey Klimov" X-Mailer: aerc 0.20.0 References: <20251210065157.2775514-1-ravi.hothi@oss.qualcomm.com> <370a9d69-1706-438a-bb36-01a22e5cf540@oss.qualcomm.com> In-Reply-To: <370a9d69-1706-438a-bb36-01a22e5cf540@oss.qualcomm.com> On Mon Dec 15, 2025 at 7:29 AM GMT, Ravi Hothi wrote: > > > 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. >>=20 >> 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= =20 > existing constraint so that customers can use a wider range. Unfortunately, you didn't answer any of my questions or answered a different one. Perhaps the main one: is q6dsp-lpass-ports involved in compress offloaded playback on existing devices? Thanks, Alexey