From: Mohammad Rafi Shaik <mohammad.rafi.shaik@oss.qualcomm.com>
To: 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-sound@vger.kernel.org, linux-arm-msm@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-gpio@vger.kernel.org, kernel@oss.qualcomm.com
Subject: [PATCH v5 0/2] Handle shared reset GPIO for WSA883x speakers
Date: Fri, 15 Aug 2025 22:53:51 +0530 [thread overview]
Message-ID: <20250815172353.2430981-1-mohammad.rafi.shaik@oss.qualcomm.com> (raw)
On some Qualcomm platforms such as QCS6490-RB3Gen2, the 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.
Tested on:
- QCS6490-RB3Gen2
changes in [v5]:
- Removed multiple error logs and used proper shared reset API.
- Link to V4: https://lore.kernel.org/linux-sound/20250806181818.2817356-1-mohammad.rafi.shaik@oss.qualcomm.com/
changes in [v4]:
- Dropped v3-0002 patch, which is not required.
Fixed with proper error handling for failure cases.
- Link to V3: https://lore.kernel.org/linux-arm-msm/20250727083117.2415725-1-mohammad.rafi.shaik@oss.qualcomm.com/
changes in [v3]:
- Created separate patch for devm action to safely disable
regulator.
- cleanup the v2-0002 patch.
- Link to V2: https://lore.kernel.org/linux-sound/20250718104628.3732645-1-mohammad.rafi.shaik@oss.qualcomm.com/
changes in [v2]:
- Addressed the review comments from Krzysztof, Dmitry, Philipp.
- Used devm_reset_control_get_optional_shared_deasserted() api.
- created deasserts/asserts functions to handle reset gpios.
- Register devm action to safely disable the regulator on device removal.
- Link to V1: https://lore.kernel.org/linux-sound/20250620103012.360794-1-mohammad.rafi.shaik@oss.qualcomm.com/
Mohammad Rafi Shaik (2):
ASoC: dt-bindings: qcom,wsa8830: Add reset-gpios for shared line
ASoC: codecs: wsa883x: Handle shared reset GPIO for WSA883x speakers
.../bindings/sound/qcom,wsa883x.yaml | 11 +++-
sound/soc/codecs/wsa883x.c | 57 ++++++++++++++++---
2 files changed, 59 insertions(+), 9 deletions(-)
base-commit: 1357b2649c026b51353c84ddd32bc963e8999603
--
2.34.1
next reply other threads:[~2025-08-15 17:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-15 17:23 Mohammad Rafi Shaik [this message]
2025-08-15 17:23 ` [PATCH v5 1/2] ASoC: dt-bindings: qcom,wsa8830: Add reset-gpios for shared line Mohammad Rafi Shaik
2025-08-15 17:23 ` [PATCH v5 2/2] ASoC: codecs: wsa883x: Handle shared reset GPIO for WSA883x speakers Mohammad Rafi Shaik
2025-08-16 8:28 ` Krzysztof Kozlowski
2025-08-18 6:14 ` Srinivas Kandagatla
2025-08-19 19:46 ` [PATCH v5 0/2] " Mark Brown
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