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Sun, 24 May 2026 12:28:43 -0700 (PDT) From: Sanjay Chitroda X-Google-Original-From: Sanjay Chitroda To: jikos@kernel.org, jic23@kernel.org, srinivas.pandruvada@linux.intel.com Cc: dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, sanjayembeddedse@gmail.com, sakari.ailus@linux.intel.com, linux-input@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 26/36] iio: hid-sensors: introduce device managed API Date: Mon, 25 May 2026 00:58:09 +0530 Message-Id: <20260524192812.1196549-7-sanjayembedded@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260524192812.1196549-1-sanjayembedded@gmail.com> References: <20260524192812.1196549-1-sanjayembedded@gmail.com> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Sanjay Chitroda hid_sensor_setup_trigger() is common API used for the HID IIO drivers, prepare devm API devm_hid_sensor_setup_trigger() to acquire resource during setup and release using device managed framework during drivers fail, unbind or remove path. Register action with devm_add_action_or_reset() to release resource with devres framework. Signed-off-by: Sanjay Chitroda Tested-by: Zhang Lixu --- Changes in v4: - No updated in change, added Tested-by tag. Changes in v3: - Remove cast and update function based on review comment from Andy - v2 link -> https://lore.kernel.org/all/20260429175918.2541914-3-sanjayembedded@gmail.com/ --- .../common/hid-sensors/hid-sensor-trigger.c | 18 ++++++++++++++++++ .../common/hid-sensors/hid-sensor-trigger.h | 2 ++ 2 files changed, 20 insertions(+) diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c index 98fadc61a68a..fb6a4587ae03 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c @@ -301,6 +301,24 @@ int hid_sensor_setup_trigger(struct iio_dev *indio_dev, const char *name, } EXPORT_SYMBOL_NS(hid_sensor_setup_trigger, "IIO_HID"); +static void hid_sensor_remove_trigger_action(void *attrb) +{ + hid_sensor_remove_trigger(attrb); +} + +int devm_hid_sensor_setup_trigger(struct device *dev, struct iio_dev *indio_dev, + const char *name, struct hid_sensor_common *attrb) +{ + int ret; + + ret = hid_sensor_setup_trigger(indio_dev, name, attrb); + if (ret) + return ret; + + return devm_add_action_or_reset(dev, hid_sensor_remove_trigger_action, attrb); +} +EXPORT_SYMBOL_NS(devm_hid_sensor_setup_trigger, "IIO_HID"); + static int __maybe_unused hid_sensor_suspend(struct device *dev) { struct iio_dev *indio_dev = dev_get_drvdata(dev); diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.h b/drivers/iio/common/hid-sensors/hid-sensor-trigger.h index afec46ecbe71..6fd7c39a240d 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.h +++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.h @@ -17,6 +17,8 @@ extern const struct dev_pm_ops hid_sensor_pm_ops; int hid_sensor_setup_trigger(struct iio_dev *indio_dev, const char *name, struct hid_sensor_common *attrb); void hid_sensor_remove_trigger(struct hid_sensor_common *attrb); +int devm_hid_sensor_setup_trigger(struct device *dev, struct iio_dev *indio_dev, + const char *name, struct hid_sensor_common *attrb); int hid_sensor_power_state(struct hid_sensor_common *st, bool state); #endif -- 2.34.1