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43 lines
1.3 KiB
Diff
43 lines
1.3 KiB
Diff
From 6352f25f9fadba59d5df2ba7139495759ccc81d5 Mon Sep 17 00:00:00 2001
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From: Christian Marangi <ansuelsmth@gmail.com>
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Date: Mon, 29 May 2023 18:32:36 +0200
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Subject: [PATCH 06/13] leds: trigger: netdev: add basic check for hw control
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support
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Add basic check for hw control support. Check if the required API are
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defined and check if the defined trigger supported in hw control for the
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LED driver match netdev.
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Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
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Reviewed-by: Andrew Lunn <andrew@lunn.ch>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/leds/trigger/ledtrig-netdev.c | 14 ++++++++++++++
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1 file changed, 14 insertions(+)
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--- a/drivers/leds/trigger/ledtrig-netdev.c
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+++ b/drivers/leds/trigger/ledtrig-netdev.c
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@@ -92,8 +92,22 @@ static void set_baseline_state(struct le
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}
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}
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+static bool supports_hw_control(struct led_classdev *led_cdev)
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+{
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+ if (!led_cdev->hw_control_get || !led_cdev->hw_control_set ||
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+ !led_cdev->hw_control_is_supported)
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+ return false;
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+
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+ return !strcmp(led_cdev->hw_control_trigger, led_cdev->trigger->name);
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+}
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+
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static bool can_hw_control(struct led_netdev_data *trigger_data)
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{
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+ struct led_classdev *led_cdev = trigger_data->led_cdev;
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+
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+ if (!supports_hw_control(led_cdev))
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+ return false;
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+
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return false;
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}
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