From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Luca Weiss <luca.weiss@fairphone.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Felipe Balbi <balbi@kernel.org>,
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>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Wesley Cheng <quic_wcheng@quicinc.com>,
Stephan Gerhold <stephan.gerhold@linaro.org>
Cc: ~postmarketos/upstreaming@lists.sr.ht,
phone-devel@vger.kernel.org, linux-usb@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
linux-arm-msm@vger.kernel.org, linux-sound@vger.kernel.org,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Subject: Re: [PATCH v2 5/5] arm64: dts: qcom: sm7225-fairphone-fp4: Enable USB audio offload support
Date: Thu, 1 May 2025 10:24:16 +0200 [thread overview]
Message-ID: <f65228d7-fe5d-46ea-9331-2491cab778e6@oss.qualcomm.com> (raw)
In-Reply-To: <20250501-fp4-usb-audio-offload-v2-5-30f4596281cd@fairphone.com>
On 5/1/25 8:48 AM, Luca Weiss wrote:
> Enable USB audio offloading which allows to play audio via a USB-C
> headset with lower power consumption and enabling some other features.
>
> This can be used like the following:
>
> $ amixer -c0 cset name='USB_RX Audio Mixer MultiMedia1' On
> $ aplay --device=plughw:0,0 test.wav
>
> Compared to regular playback to the USB sound card no xhci-hcd
> interrupts appear during playback, instead the ADSP will be handling the
> USB transfers.
>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
> Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Konrad
next prev parent reply other threads:[~2025-05-01 8:24 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-01 6:48 [PATCH v2 0/5] Enable USB audio offloading on Fairphone 4 smartphone Luca Weiss
2025-05-01 6:48 ` [PATCH v2 1/5] ASoC: dt-bindings: qcom,q6afe: Document q6usb subnode Luca Weiss
2025-05-09 22:03 ` Rob Herring (Arm)
2025-05-01 6:48 ` [PATCH v2 2/5] ASoC: dt-bindings: qcom,sm8250: Add Fairphone 4 sound card Luca Weiss
2025-05-01 6:48 ` [PATCH v2 3/5] ASoC: qcom: sm8250: Add Fairphone 4 soundcard compatible Luca Weiss
2025-05-01 6:48 ` [PATCH v2 4/5] arm64: dts: qcom: sm6350: Add q6usbdai node Luca Weiss
2025-05-01 8:23 ` Konrad Dybcio
2025-05-01 6:48 ` [PATCH v2 5/5] arm64: dts: qcom: sm7225-fairphone-fp4: Enable USB audio offload support Luca Weiss
2025-05-01 8:24 ` Konrad Dybcio [this message]
2025-07-16 7:19 ` [PATCH v2 0/5] Enable USB audio offloading on Fairphone 4 smartphone Luca Weiss
2025-07-21 6:22 ` Luca Weiss
2025-07-23 10:57 ` Mark Brown
2025-07-23 11:09 ` Luca Weiss
2025-07-23 12:19 ` Mark Brown
2025-07-23 12:35 ` Luca Weiss
2025-07-17 4:31 ` (subset) " Bjorn Andersson
2025-07-23 16:48 ` Mark Brown
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