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

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Message-id: <002301ce8991$f9b82060$ed286120$@samsung.com>
Date:	Fri, 26 Jul 2013 08:52:09 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Maxime Ripard' <maxime.ripard@...e-electrons.com>,
	plagnioj@...osoft.com, tomi.valkeinen@...com
Cc:	'Alexandre Belloni' <alexandre.belloni@...e-electrons.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, Jingoo Han <jg1.han@...sung.com>
Subject: Re: [PATCHv2 3/3] fb: backlight: HX8357: Add HX8369 support

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?

Best regards,
Jingoo Han


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