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Wed, 23 Apr 2025 01:55:51 -0700 (PDT) From: Bartosz Golaszewski Date: Wed, 23 Apr 2025 10:55:42 +0200 Subject: [PATCH 4/6] hid: cp2112: use new line value setter callbacks Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250423-gpiochip-set-rv-hid-v1-4-2e6762b582f6@linaro.org> References: <20250423-gpiochip-set-rv-hid-v1-0-2e6762b582f6@linaro.org> In-Reply-To: <20250423-gpiochip-set-rv-hid-v1-0-2e6762b582f6@linaro.org> To: Jiri Kosina , Benjamin Tissoires , Linus Walleij , Bartosz Golaszewski , Rishi Gupta Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-i2c@vger.kernel.org, Bartosz Golaszewski X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=2030; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=3m9eD5np0PCYm6CXzEmoZHY1+lpcLzL/5hTmqHLPJkM=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBoCKsSzMLGtDZLUYWUDyAUa7jdtk9GnBimJcQX2 SoTdL2SZ1aJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCaAirEgAKCRARpy6gFHHX cgzCEACfhjBYKX9WaY4Rj6j6dY6Nsm8jaTIw+76AGZPtpSCeseU5lPyTyVk0kfxUseBanQoYcsy AJC2ReKiFWZ8x93TDQCuXc0HPRpsJxSwH58DQZmdSpeWtYl36D40pjvVdlaUKJPEGh3M81IY53y W7qPcBz+CaA5O3p8ijVymEwJxGcVD9Q5YzGouWP/rQnIJYavqitbMr/C6D11wOvpbkcCr76KKvT LOFuNGZ9qvyg/7GpRGoDw/nPyndmQOLAZFqk2LWwM6IITlvVRrCx/w0wFk89EqrbfVbUaPdg1bn PiQ7G4shFXnhl2te1Ts5uSr8mFglwLYo9HuUbFHPelb4YxR9w9Y/o/NET046Br47Ejn7dbtH/0p XEylhaW2+63qWgabCRvfC4LKks4CH/W2gx1svepYJawFK/YJWdxJYuClSrWGCvxqWuV27CjDncD 3pfif/fk6my5n0ECt+XOhz6FCENCaHRHwp+OxEdOt/Jr19MKGn/Z+d6DdU5Po9KIvdTtxz96kwL WCuyuLyXkDvxs6LinqpRNdlMT495MVXKhtk5FlCz5yVm7t6R+69y8MJEo6HL9djCLhUWmq6renD i6iTn5Byw618DT5kDY57X1Cz5FA+I5u6CLVjKjWu8FMcc/8+SlH4Sb+MgpTQrkxwn+gG1U+6sY9 TfYmnorS8l3zKfg== X-Developer-Key: i=bartosz.golaszewski@linaro.org; a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 From: Bartosz Golaszewski struct gpio_chip now has callbacks for setting line values that return an integer, allowing to indicate failures. Convert the driver to using them. Signed-off-by: Bartosz Golaszewski --- drivers/hid/hid-cp2112.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c index 92dd891b7b59..234fa82eab07 100644 --- a/drivers/hid/hid-cp2112.c +++ b/drivers/hid/hid-cp2112.c @@ -215,8 +215,8 @@ static int cp2112_gpio_direction_input(struct gpio_chip= *chip, unsigned offset) return 0; } =20 -static void cp2112_gpio_set_unlocked(struct cp2112_device *dev, - unsigned int offset, int value) +static int cp2112_gpio_set_unlocked(struct cp2112_device *dev, + unsigned int offset, int value) { struct hid_device *hdev =3D dev->hdev; u8 *buf =3D dev->in_out_buffer; @@ -231,16 +231,18 @@ static void cp2112_gpio_set_unlocked(struct cp2112_de= vice *dev, HID_REQ_SET_REPORT); if (ret < 0) hid_err(hdev, "error setting GPIO values: %d\n", ret); + + return ret; } =20 -static void cp2112_gpio_set(struct gpio_chip *chip, unsigned int offset, - int value) +static int cp2112_gpio_set(struct gpio_chip *chip, unsigned int offset, + int value) { struct cp2112_device *dev =3D gpiochip_get_data(chip); =20 guard(mutex)(&dev->lock); =20 - cp2112_gpio_set_unlocked(dev, offset, value); + return cp2112_gpio_set_unlocked(dev, offset, value); } =20 static int cp2112_gpio_get_all(struct gpio_chip *chip) @@ -1286,7 +1288,7 @@ static int cp2112_probe(struct hid_device *hdev, cons= t struct hid_device_id *id) dev->gc.label =3D "cp2112_gpio"; dev->gc.direction_input =3D cp2112_gpio_direction_input; dev->gc.direction_output =3D cp2112_gpio_direction_output; - dev->gc.set =3D cp2112_gpio_set; + dev->gc.set_rv =3D cp2112_gpio_set; dev->gc.get =3D cp2112_gpio_get; dev->gc.base =3D -1; dev->gc.ngpio =3D CP2112_GPIO_MAX_GPIO; --=20 2.45.2