From: Bartosz Golaszewski <brgl@bgdev.pl>
To: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>,
Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
Linus Walleij <linus.walleij@linaro.org>,
Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
Steev Klimaszewski <steev@kali.org>,
Johan Hovold <johan@kernel.org>,
linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-gpio@vger.kernel.org, linux-arm-msm@vger.kernel.org,
Peng Fan <peng.fan@nxp.com>
Subject: Re: [PATCH v2 1/3] ASoC: codec: wcd939x: Convert to GPIO descriptors
Date: Thu, 27 Mar 2025 09:50:04 +0100 [thread overview]
Message-ID: <CAMRc=Mf9SXJFGmZXtL5kngU6O12oNMi2ovE_ZGRW4nwnHTZVYg@mail.gmail.com> (raw)
In-Reply-To: <20250324-wcd-gpiod-v2-1-773f67ce3b56@nxp.com>
On Mon, Mar 24, 2025 at 12:52 PM Peng Fan (OSS) <peng.fan@oss.nxp.com> wrote:
>
> From: Peng Fan <peng.fan@nxp.com>
>
> of_gpio.h is deprecated, update the driver to use GPIO descriptors.
> - Use dev_gpiod_get to get GPIO descriptor.
> - Use gpiod_set_value to configure output value.
>
> With legacy of_gpio API, the driver set gpio value 0 to assert reset,
> and 1 to deassert reset. And the reset-gpios use GPIO_ACTIVE_LOW flag in
> DTS, so set GPIOD_OUT_LOW when get GPIO descriptors, and set value 1 means
> output low, set value 0 means output high with gpiod API.
>
> The in-tree DTS files have the right polarity set up already so we
> can expect this to "just work".
>
> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> ---
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
next prev parent reply other threads:[~2025-03-27 8:50 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-24 11:51 [PATCH v2 0/3] ASoC: codec: wcd93xx: Convert to GPIO descriptors Peng Fan (OSS)
2025-03-24 11:51 ` [PATCH v2 1/3] ASoC: codec: wcd939x: " Peng Fan (OSS)
2025-03-27 8:50 ` Bartosz Golaszewski [this message]
2025-03-24 11:51 ` [PATCH v2 2/3] ASoC: codec: wcd938x: " Peng Fan (OSS)
2025-03-24 15:38 ` Steev Klimaszewski
2025-03-25 0:35 ` Peng Fan
2025-03-27 8:50 ` Bartosz Golaszewski
2025-03-24 11:51 ` [PATCH v2 3/3] ASoC: codec: wcd9335: " Peng Fan (OSS)
2025-03-27 8:50 ` Bartosz Golaszewski
2025-04-08 12:48 ` [PATCH v2 0/3] ASoC: codec: wcd93xx: " Mark Brown
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