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From: Jacek Anaszewski <j.anaszewski@samsung.com>
To: Stas Sergeev <stsp@list.ru>
Cc: linux-leds@vger.kernel.org,
	Linux kernel <linux-kernel@vger.kernel.org>,
	Stas Sergeev <stsp@users.sourceforge.net>
Subject: Re: [PATCH v2 0/3] leds: blink resolution improvements
Date: Tue, 28 Apr 2015 10:57:04 +0200	[thread overview]
Message-ID: <553F4B60.20204@samsung.com> (raw)
In-Reply-To: <553E6CF5.4030601@list.ru>

Hi Stas,

Have you tested it? I tried it with Samsung M0 board and
my leds-aat1290 driver. It didn't work well. And for small delay
intervals it will not have a chance to work reliably with all drivers,
especially the ones which use mutex in their brightness_set op,
since mutex can sleep.

I am afraid that we have to stay with what we have currently.

On 04/27/2015 07:08 PM, Stas Sergeev wrote:
> Hello.
>
> The following patches improve the precision of led
> timer trigger and add the delay unit control.
> That allows to make PWM brightness control with timer
> trigger.
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-- 
Best Regards,
Jacek Anaszewski

  parent reply	other threads:[~2015-04-28  8:57 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-27 17:08 [PATCH v2 0/3] leds: blink resolution improvements Stas Sergeev
2015-04-27 17:09 ` [PATCH 1/3] leds: use hrtimer for blinking Stas Sergeev
2015-04-27 17:11 ` Stas Sergeev
2015-04-27 17:12 ` [PATCH 2/3] ledtrig-timer: add blink delay_unit control Stas Sergeev
2015-04-27 17:14 ` [PATCH 3/3] leds: update documentation about new delay units Stas Sergeev
2015-04-27 20:54 ` [PATCH v2 0/3] leds: blink resolution improvements Pavel Machek
2015-04-27 21:14   ` Stas Sergeev
2015-04-30 17:30     ` Pavel Machek
2015-04-30 20:42       ` Stas Sergeev
2015-05-03 10:34         ` Pavel Machek
2015-05-03 11:35           ` Stas Sergeev
2015-05-11 22:11             ` Pavel Machek
2015-04-27 22:23   ` Stas Sergeev
2015-04-28  8:57 ` Jacek Anaszewski [this message]
2015-04-28 10:12   ` Stas Sergeev
2015-04-28 12:58     ` Jacek Anaszewski
2015-04-28 13:26       ` Stas Sergeev
2015-04-29 15:06         ` Jacek Anaszewski
2015-04-29 11:26       ` Stas Sergeev
2015-04-29 15:14         ` Jacek Anaszewski
2015-04-30 17:11       ` Stas Sergeev
2015-05-04  7:55         ` Jacek Anaszewski
2015-05-04 12:12           ` Stas Sergeev
2015-05-04 15:22             ` Jacek Anaszewski
2015-05-04 17:20               ` Stas Sergeev
2015-05-05  8:22                 ` Jacek Anaszewski
2015-05-05 13:02                   ` Stas Sergeev
2015-05-06  7:20                     ` Jacek Anaszewski

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