From: Christian Marangi <ansuelsmth@gmail.com>
To: Pavel Machek <pavel@ucw.cz>, Lee Jones <lee@kernel.org>,
Jonathan Corbet <corbet@lwn.net>, Andrew Lunn <andrew@lunn.ch>,
Florian Fainelli <f.fainelli@gmail.com>,
Vladimir Oltean <olteanv@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Christian Marangi <ansuelsmth@gmail.com>,
linux-leds@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: [net-next PATCH v4 10/13] leds: trigger: netdev: init mode if hw control already active
Date: Mon, 29 May 2023 18:32:40 +0200 [thread overview]
Message-ID: <20230529163243.9555-11-ansuelsmth@gmail.com> (raw)
In-Reply-To: <20230529163243.9555-1-ansuelsmth@gmail.com>
On netdev trigger activation, hw control may be already active by
default. If this is the case and a device is actually provided by
hw_control_get_device(), init the already active mode and set the
bool to hw_control bool to true to reflect the already set mode in the
trigger_data.
Co-developed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
---
drivers/leds/trigger/ledtrig-netdev.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/leds/trigger/ledtrig-netdev.c b/drivers/leds/trigger/ledtrig-netdev.c
index 0f3c2ace408d..e8bb9d0f85c0 100644
--- a/drivers/leds/trigger/ledtrig-netdev.c
+++ b/drivers/leds/trigger/ledtrig-netdev.c
@@ -454,6 +454,8 @@ static void netdev_trig_work(struct work_struct *work)
static int netdev_trig_activate(struct led_classdev *led_cdev)
{
struct led_netdev_data *trigger_data;
+ unsigned long mode;
+ struct device *dev;
int rc;
trigger_data = kzalloc(sizeof(struct led_netdev_data), GFP_KERNEL);
@@ -475,6 +477,21 @@ static int netdev_trig_activate(struct led_classdev *led_cdev)
atomic_set(&trigger_data->interval, msecs_to_jiffies(NETDEV_LED_DEFAULT_INTERVAL));
trigger_data->last_activity = 0;
+ /* Check if hw control is active by default on the LED.
+ * Init already enabled mode in hw control.
+ */
+ if (supports_hw_control(led_cdev) &&
+ !led_cdev->hw_control_get(led_cdev, &mode)) {
+ dev = led_cdev->hw_control_get_device(led_cdev);
+ if (dev) {
+ const char *name = dev_name(dev);
+
+ set_device_name(trigger_data, name, strlen(name));
+ trigger_data->hw_control = true;
+ trigger_data->mode = mode;
+ }
+ }
+
led_set_trigger_data(led_cdev, trigger_data);
rc = register_netdevice_notifier(&trigger_data->notifier);
--
2.39.2
next prev parent reply other threads:[~2023-05-29 16:35 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-29 16:32 [net-next PATCH v4 00/13] leds: introduce new LED hw control APIs Christian Marangi
2023-05-29 16:32 ` [net-next PATCH v4 01/13] leds: add APIs for LEDs hw control Christian Marangi
2023-05-29 16:32 ` [net-next PATCH v4 02/13] leds: add API to get attached device for LED " Christian Marangi
2023-05-29 16:32 ` [net-next PATCH v4 03/13] Documentation: leds: leds-class: Document new Hardware driven LEDs APIs Christian Marangi
2023-05-29 17:07 ` Andrew Lunn
2023-05-29 16:32 ` [net-next PATCH v4 04/13] leds: trigger: netdev: refactor code setting device name Christian Marangi
2023-05-29 16:32 ` [net-next PATCH v4 05/13] leds: trigger: netdev: introduce check for possible hw control Christian Marangi
2023-05-29 16:32 ` [net-next PATCH v4 06/13] leds: trigger: netdev: add basic check for hw control support Christian Marangi
2023-05-29 16:32 ` [net-next PATCH v4 07/13] leds: trigger: netdev: reject interval store for hw_control Christian Marangi
2023-05-29 16:32 ` [net-next PATCH v4 08/13] leds: trigger: netdev: add support for LED hw control Christian Marangi
2023-05-29 16:32 ` [net-next PATCH v4 09/13] leds: trigger: netdev: validate configured netdev Christian Marangi
2023-05-29 16:32 ` Christian Marangi [this message]
2023-05-29 16:32 ` [net-next PATCH v4 11/13] leds: trigger: netdev: expose netdev trigger modes in linux include Christian Marangi
2023-05-29 16:32 ` [net-next PATCH v4 12/13] net: dsa: qca8k: implement hw_control ops Christian Marangi
2023-05-29 16:32 ` [net-next PATCH v4 13/13] net: dsa: qca8k: add op to get ports netdev Christian Marangi
2023-05-30 5:17 ` [net-next PATCH v4 00/13] leds: introduce new LED hw control APIs Jakub Kicinski
2023-05-30 12:54 ` Andrew Lunn
2023-05-31 9:10 ` patchwork-bot+netdevbpf
2023-05-31 10:46 ` Lee Jones
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