Linux Sound subsystem development
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From: "Alexey Klimov" <alexey.klimov@linaro.org>
To: "Ravi Hothi" <ravi.hothi@oss.qualcomm.com>,
	"Srinivas Kandagatla" <srini@kernel.org>,
	"Liam Girdwood" <lgirdwood@gmail.com>,
	"Mark Brown" <broonie@kernel.org>,
	"Jaroslav Kysela" <perex@perex.cz>,
	"Takashi Iwai" <tiwai@suse.com>
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>
Subject: Re: [PATCH v2 0/2] ASoC: qcom: q6dsp-lpass-ports: Expand sampling rate and PCM format constraints
Date: Wed, 17 Dec 2025 11:38:03 +0000	[thread overview]
Message-ID: <DF0GN7VV4R2W.2E3U1LMOF0JPG@linaro.org> (raw)
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.
>> 
>> 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.

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


  reply	other threads:[~2025-12-17 11:38 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-10  6:51 [PATCH v2 0/2] ASoC: qcom: q6dsp-lpass-ports: Expand sampling rate and PCM format constraints Ravi Hothi
2025-12-10  6:51 ` [PATCH v2 1/2] ASoC: qcom: q6dsp-lpass-ports: Extend q6dsp-lpass-ports driver to support additional sampling rates Ravi Hothi
2025-12-10  6:51 ` [PATCH v2 2/2] ASoC: qcom: q6dsp-lpass-ports: Update constraints to support 32-bit PCM format Ravi Hothi
2025-12-10 13:56 ` [PATCH v2 0/2] ASoC: qcom: q6dsp-lpass-ports: Expand sampling rate and PCM format constraints Alexey Klimov
2025-12-15  7:29   ` Ravi Hothi
2025-12-17 11:38     ` Alexey Klimov [this message]
2025-12-17 12:56       ` Srinivas Kandagatla
2025-12-22  4:25         ` Alexey Klimov
2026-01-05  7:20           ` Srinivas Kandagatla

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