From: Wesley Cheng <quic_wcheng@quicinc.com>
To: "Amadeusz Sławiński" <amadeuszx.slawinski@linux.intel.com>,
srinivas.kandagatla@linaro.org, mathias.nyman@intel.com,
perex@perex.cz, conor+dt@kernel.org, corbet@lwn.net,
lgirdwood@gmail.com, andersson@kernel.org,
krzysztof.kozlowski+dt@linaro.org, gregkh@linuxfoundation.org,
Thinh.Nguyen@synopsys.com, broonie@kernel.org,
bgoswami@quicinc.com, tiwai@suse.com, robh@kernel.org,
konrad.dybcio@linaro.org
Cc: <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-sound@vger.kernel.org>, <linux-usb@vger.kernel.org>,
<linux-arm-msm@vger.kernel.org>, <linux-doc@vger.kernel.org>,
<alsa-devel@alsa-project.org>
Subject: Re: [PATCH v20 33/41] ASoC: usb: Create SOC USB SND jack kcontrol
Date: Tue, 30 Apr 2024 17:32:24 -0700 [thread overview]
Message-ID: <a1115d39-b60e-a5da-5c7e-79266d6ced17@quicinc.com> (raw)
In-Reply-To: <c8bd16e8-b204-471b-a702-36e14c8695c5@linux.intel.com>
Hi Amadeusz,
On 4/26/2024 6:26 AM, Amadeusz Sławiński wrote:
> On 4/25/2024 11:51 PM, Wesley Cheng wrote:
>> Expose API for creation of a jack control for notifying of available
>> devices that are plugged in/discovered, and that support offloading.
>> This
>> allows for control names to be standardized across implementations of USB
>> audio offloading.
>>
>> Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
>> ---
>
> (...)
>
>> /* SOC USB sound kcontrols */
>> +/**
>> + * snd_soc_usb_setup_offload_jack() - Create USB offloading jack
>> + * @component: USB DPCM backend DAI component
>> + * @jack: jack structure to create
>> + *
>> + * Creates a jack device for notifying userspace of the availability
>> + * of an offload capable device.
>> + *
>> + * Returns 0 on success, negative on error.
>> + *
>> + */
>> +int snd_soc_usb_setup_offload_jack(struct snd_soc_component *component,
>> + struct snd_soc_jack *jack)
>> +{
>> + int ret;
>> +
>> + ret = snd_soc_card_jack_new(component->card, "USB Offload
>> Playback Jack",
>> + SND_JACK_HEADPHONE, jack);
>> + if (ret < 0) {
>> + dev_err(component->card->dev, "Unable to add USB offload
>> jack\n");
>> + return ret;
>> + }
>> +
>> + ret = snd_soc_component_set_jack(component, jack, NULL);
>> + if (ret) {
>> + dev_warn(component->card->dev, "Failed to set jack: %d\n", ret);
>> + return ret;
>> + }
>> +
>> + return 0;
>> +}
>> +EXPORT_SYMBOL_GPL(snd_soc_usb_setup_offload_jack);
>> +
>> static int snd_soc_usb_get_offload_card_status(struct snd_kcontrol
>> *kcontrol,
>> struct snd_ctl_elem_value *ucontrol)
>> {
>>
>
> I'm not sure if this should be handled in generic USB API, this feels
> like something that should be handled in specific device driver side,
> like all users currently do.
>
In some of the previous comments, it was mentioned that maybe it was
better to have more consistent/defined naming across devices that do
have support for audio offload. Initially, I did have these within our
vendor specific ASoC platform driver also.
> Anyway I think there should also be some function that tears jack down,
> by calling:
> snd_soc_component_set_jack(component, NULL, NULL);
> so it can get cleaned up properly?
I can add that. I didn't realize there were some situations where maybe
components would want to disable the jack. I will leave the cleanup
part to ASoC when the platform card is removed.
Thanks
Wesley Cheng
next prev parent reply other threads:[~2024-05-01 0:33 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-25 21:50 [PATCH v20 00/41] Introduce QC USB SND audio offloading support Wesley Cheng
2024-04-25 21:50 ` [PATCH v20 01/41] xhci: add helper to stop endpoint and wait for completion Wesley Cheng
2024-04-25 21:50 ` [PATCH v20 02/41] usb: host: xhci: Export enable and disable interrupter APIs Wesley Cheng
2024-04-25 21:50 ` [PATCH v20 03/41] usb: host: xhci: Repurpose event handler for skipping interrupter events Wesley Cheng
2024-04-30 11:02 ` Mathias Nyman
2024-04-30 21:57 ` Wesley Cheng
2024-04-25 21:50 ` [PATCH v20 04/41] xhci: export XHCI IMOD setting helper for interrupters Wesley Cheng
2024-04-25 21:50 ` [PATCH v20 05/41] xhci: sideband: add initial api to register a sideband entity Wesley Cheng
2024-04-25 21:50 ` [PATCH v20 06/41] usb: host: xhci-sideband: Expose a sideband interrupter enable API Wesley Cheng
2024-05-02 11:07 ` Mathias Nyman
2024-05-02 23:37 ` Wesley Cheng
2024-04-25 21:50 ` [PATCH v20 07/41] usb: host: xhci-mem: Cleanup pending secondary event ring events Wesley Cheng
2024-04-25 21:50 ` [PATCH v20 08/41] usb: host: xhci-mem: Allow for interrupter clients to choose specific index Wesley Cheng
2024-04-26 13:24 ` Amadeusz Sławiński
2024-04-26 20:03 ` Wesley Cheng
2024-04-25 21:50 ` [PATCH v20 09/41] ASoC: Add SOC USB APIs for adding an USB backend Wesley Cheng
2024-04-26 13:25 ` Amadeusz Sławiński
2024-04-26 21:55 ` Wesley Cheng
2024-04-25 21:50 ` [PATCH v20 10/41] ASoC: dt-bindings: qcom,q6dsp-lpass-ports: Add USB_RX port Wesley Cheng
2024-04-25 21:50 ` [PATCH v20 11/41] ASoC: qcom: qdsp6: Introduce USB AFE port to q6dsp Wesley Cheng
2024-04-25 21:50 ` [PATCH v20 12/41] ASoC: qdsp6: q6afe: Increase APR timeout Wesley Cheng
2024-04-25 21:50 ` [PATCH v20 13/41] ASoC: qcom: qdsp6: Add USB backend ASoC driver for Q6 Wesley Cheng
2024-04-25 21:50 ` [PATCH v20 14/41] ALSA: usb-audio: Introduce USB SND platform op callbacks Wesley Cheng
2024-04-25 21:50 ` [PATCH v20 15/41] ALSA: usb-audio: Export USB SND APIs for modules Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 16/41] ALSA: usb-audio: Save UAC sample size information Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 17/41] usb: dwc3: Specify maximum number of XHCI interrupters Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 18/41] usb: host: xhci-plat: Set XHCI max interrupters if property is present Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 19/41] ALSA: usb-audio: qcom: Add USB QMI definitions Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 20/41] ALSA: usb-audio: qcom: Introduce QC USB SND offloading support Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 21/41] ALSA: usb-audio: Check for support for requested audio format Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 22/41] ASoC: usb: Add PCM format check API for USB backend Wesley Cheng
2024-04-26 13:25 ` Amadeusz Sławiński
2024-04-30 8:01 ` Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 23/41] ASoC: qcom: qdsp6: Ensure PCM format is supported by USB audio device Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 24/41] ALSA: usb-audio: Prevent starting of audio stream if in use Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 25/41] ALSA: usb-audio: Do not allow USB offload path if PCM device is " Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 26/41] ASoC: dt-bindings: Update example for enabling USB offload on SM8250 Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 27/41] ALSA: usb-audio: qcom: Populate PCM and USB chip information Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 28/41] ASoC: qcom: qdsp6: Add support to track available USB PCM devices Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 29/41] ASoC: Introduce SND kcontrols to select sound card and PCM device Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 30/41] ASoC: qcom: qdsp6: Add SOC USB offload select get/put callbacks Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 31/41] ASoC: Introduce SND kcontrols to track USB offloading state Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 32/41] ASoC: qcom: qdsp6: Add PCM ops to track current state Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 33/41] ASoC: usb: Create SOC USB SND jack kcontrol Wesley Cheng
2024-04-26 13:26 ` Amadeusz Sławiński
2024-05-01 0:32 ` Wesley Cheng [this message]
2024-04-25 21:51 ` [PATCH v20 34/41] ASoC: qcom: qdsp6: Add headphone jack for offload connection status Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 35/41] ASoC: usb: Fetch ASoC sound card information Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 36/41] ALSA: usb-audio: Add USB offloading capable kcontrol Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 37/41] ALSA: usb-audio: Allow for rediscovery of connected USB SND devices Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 38/41] ALSA: usb-audio: qcom: Use card and PCM index from QMI request Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 39/41] ASoC: usb: Rediscover USB SND devices on USB port add Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 40/41] ASoC: qcom: Populate SoC components string Wesley Cheng
2024-04-25 21:51 ` [PATCH v20 41/41] ASoC: doc: Add documentation for SOC USB Wesley Cheng
2024-04-26 3:36 ` Bagas Sanjaya
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