linux-kernel - Re: [PATCHv2 3/3] fb: backlight: HX8357: Add HX8369 support

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Date:	Wed, 31 Jul 2013 20:14:07 +0200
From:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:	Jingoo Han <jg1.han@...sung.com>
CC:	'Maxime Ripard' <maxime.ripard@...e-electrons.com>,
	plagnioj@...osoft.com, tomi.valkeinen@...com,
	hector.palacios@...i.com,
	'Thomas Petazzoni' <thomas@...e-electrons.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-fbdev@...r.kernel.org
Subject: Re: [PATCHv2 3/3] fb: backlight: HX8357: Add HX8369 support

Hi,

On 26/07/2013 01:52, Jingoo Han wrote:
> On Thursday, July 25, 2013 10:05 PM, Maxime Ripard wrote:
>> From: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
>>
>> Add support for the Himax HX8369 controller as it is quite similar to the
>> hx8357.
>>
>> Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
>> Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
>> Acked-by: Jingoo Han <jg1.han@...sung.com>
>> ---
>>  drivers/video/backlight/hx8357.c | 221 ++++++++++++++++++++++++++++++++++++---
>>  1 file changed, 206 insertions(+), 15 deletions(-)
>>
> [....]
>
>> +	ret = hx8357_spi_write_byte(lcdev, HX8357_SET_DISPLAY_ON);
>> +	if (ret < 0)
>> +		return ret;
>> +
>> +	msleep(100);
> Hi Maxime Ripard,
>
> Could you add comment on this huge delay, too?

That one can actually be removed.

Regards,

-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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