From: Florian Eckert <fe@dev.tdt.de>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: Eckert.Florian@googlemail.com, jirislaby@kernel.org,
pavel@ucw.cz, lee@kernel.org, kabel@kernel.org,
u.kleine-koenig@pengutronix.de, m.brock@vanmierlo.com,
linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org,
linux-leds@vger.kernel.org
Subject: Re: [PATCH v5 2/2] leds: ledtrig-tty: add new line mode evaluation
Date: Mon, 23 Oct 2023 15:19:03 +0200 [thread overview]
Message-ID: <f5825b317d4f6ca3a5c3a27c46f3c30e@dev.tdt.de> (raw)
In-Reply-To: <2023102333-skewer-reclining-8d04@gregkh>
On 2023-10-23 14:59, Greg KH wrote:
> On Mon, Oct 23, 2023 at 02:45:55PM +0200, Florian Eckert wrote:
>>
>>
>> On 2023-10-23 14:27, Greg KH wrote:
>> > On Mon, Oct 23, 2023 at 02:15:55PM +0200, Florian Eckert wrote:
>> > > > Again, I thought we had rx/tx already? If not, how was that controlled
>> > > > today?
>> > >
>> > > It could not be controlled! The LED flashed when data where
>> > > transferred.
>> > > This was the only function that the trigger supported.
>> >
>> > Ok, then maybe this needs to be a bit longer of a series. One that does
>> > the "tx/rx" feature, as that is needed today, and will be the more
>> > complex one, and then one-per-line-setting that you want to apply.
>> >
>> > That should make it much easier to review overall, right?
>>
>> Sorry for asking, but why should I split the change.
>> What is the added value? But if it is necessary, then I will do it.
>>
>> Before my change, the trigger could not be configured.
>> The LED always flashed when data was transferred.
>
> But you could configure that, right? on/off, correct?
No, this could not be configured before. It always flashed as
soon as data went through the configured tty. It couldn't even
be switched off, only if I change the tty interface via sysfs
>> So that the trigger behaves the same as before (flash on rx/tx
>> transmission),
>> I set the rx/tx bits in the function ledtrig_tty_activate() with the
>> following code. Nothing changes for the user of the trigger.
>>
>> /* Enable default rx/tx LED blink */
>> set_bit(TRIGGER_TTY_TX, &trigger_data->ttytrigger);
>> set_bit(TRIGGER_TTY_RX, &trigger_data->ttytrigger);
>
> I agree, but now you are splitting this up into a much finer grained
> feature.
>
> Anyway, just a thought, I'll defer to the LED maintainers here as to
> how
> they want to see this, I thought it would actually be easier this way,
> maybe not, your call.
Thank you for your review. I will incorporate your comments and split
the changes.
:+1:
---
Florian
next prev parent reply other threads:[~2023-10-23 13:19 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-23 9:42 [PATCH v5 0/2] ledtrig-tty: add additional tty state evaluation Florian Eckert
2023-10-23 9:42 ` [PATCH v5 1/2] tty: add new helper function tty_get_tiocm Florian Eckert
2023-10-23 10:06 ` Greg KH
2023-10-23 9:42 ` [PATCH v5 2/2] leds: ledtrig-tty: add new line mode evaluation Florian Eckert
2023-10-23 10:06 ` Greg KH
2023-10-23 12:15 ` Florian Eckert
2023-10-23 12:27 ` Greg KH
2023-10-23 12:45 ` Florian Eckert
2023-10-23 12:59 ` Greg KH
2023-10-23 13:19 ` Florian Eckert [this message]
2023-10-28 10:43 ` m.brock
2023-10-30 8:15 ` Florian Eckert
2023-11-04 13:59 ` m.brock
2023-11-06 8:40 ` Florian Eckert
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