[OpenWrt-Devel] LED Toggling for SATA
dkar at ikanos.com
Tue Mar 31 02:16:29 EDT 2015
Thank you for the mail.
We are using OpenWRT Version 42990 and I don't see the patch in here.
Can you please point me to the Version where this patch is implemented ?
I am going through the patch and trying to understand what it does.
From: Daniel Golle [mailto:daniel at makrotopia.org]
Sent: Monday, March 30, 2015 6:49 PM
To: Deepanjan Kar
Cc: openwrt-devel at lists.openwrt.org
Subject: Re: [OpenWrt-Devel] LED Toggling for SATA
have a look at ledtrig-ata on how to register a LED trigger for
each port . Currently this provides only an activity indicator,
however, extending it to the features you described should not
be too difficult. Let me know if you need more hints/help with
On Mon, Mar 30, 2015 at 09:38:15AM +0000, Deepanjan Kar wrote:
> Dear All,
> I would be thankful if you could provide me hint on to how to implement a driver for LED for a AHCI Controller.
> At present the LED is driven by GPIO.
> The requirement is that the LED should GLOW SOLID once the SATA link is UP, TOGGLE during SATA traffic and GLOW HOLLOW once the link is down.
> The driver should expose the LEDS to SYSFS for control from the user.
> A driver for LEDS for USB is present in drivers/leds/ledtrig-usbdev.c.
> This uses a function call "usb_register_notify" to get notified from the USB Core about the USB link.
> Do we have something similar for SATA ?
> openwrt-devel mailing list
> openwrt-devel at lists.openwrt.org
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