From: Krzysztof Kozlowski <krzk@kernel.org>
To: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
Mohammad Rafi Shaik <mohammad.rafi.shaik@oss.qualcomm.com>,
Srinivas Kandagatla <srini@kernel.org>,
Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
Philipp Zabel <p.zabel@pengutronix.de>,
Linus Walleij <linus.walleij@linaro.org>,
Bartosz Golaszewski <brgl@bgdev.pl>
Cc: linux-arm-msm@vger.kernel.org, linux-sound@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-gpio@vger.kernel.org, quic_pkumpatl@quicinc.com,
kernel@oss.qualcomm.com
Subject: Re: [PATCH v1 2/2] ASoC: codecs: wsa883x: Handle shared reset GPIO for WSA883x speakers
Date: Mon, 23 Jun 2025 10:01:44 +0200 [thread overview]
Message-ID: <f752cf84-0159-4ef6-a7cd-57b6fc578a74@kernel.org> (raw)
In-Reply-To: <f9f96bf0-3539-4e77-8d3e-b87ddc561925@oss.qualcomm.com>
On 20/06/2025 20:35, Dmitry Baryshkov wrote:
> On 20/06/2025 13:30, Mohammad Rafi Shaik wrote:
>> On some Qualcomm platforms, such as QCS6490-RB3Gen2 and QCM6490-IDP,
>> multiple WSA8830/WSA8835 speakers share a common reset (shutdown) GPIO.
>> To handle such cases, use the reset controller framework along with the
>> "reset-gpio" driver.
>
> How does this handle the fact that resetting one codec will also
> silently reset another one?
Will not, that's the entire point of reset framework. See also my talk
from last year OSS NA for some graphs/explanations.
Best regards,
Krzysztof
next prev parent reply other threads:[~2025-06-23 8:01 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-20 10:30 [PATCH v1 0/2] Handle shared reset GPIO for WSA883x speakers Mohammad Rafi Shaik
2025-06-20 10:30 ` [PATCH v1 1/2] ASoC: dt-bindings: qcom,wsa8830: Add reset-gpios for shared line Mohammad Rafi Shaik
2025-06-23 8:03 ` Krzysztof Kozlowski
2025-06-23 8:41 ` Mohammad Rafi Shaik
2025-06-20 10:30 ` [PATCH v1 2/2] ASoC: codecs: wsa883x: Handle shared reset GPIO for WSA883x speakers Mohammad Rafi Shaik
2025-06-20 18:35 ` Dmitry Baryshkov
2025-06-23 7:11 ` Philipp Zabel
2025-06-23 8:01 ` Krzysztof Kozlowski [this message]
2025-06-23 7:00 ` Philipp Zabel
2025-06-24 2:43 ` Dmitry Baryshkov
2025-06-25 9:08 ` Mohammad Rafi Shaik
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