# \[PATCHv2 3/3\] fb: backlight: HX8357: Add HX8369 support

- From: Jingoo Han \<hidden\>
- Date: 2013-07-25 23:52:14 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2013/07/4089333
- Thread: https://ratatoskr.run/linux-arm-kernel/2013/07/4088942/t.md

```text
On Thursday, July 25, 2013 10:05 PM, Maxime Ripard wrote:
> 
> From: Alexandre Belloni <redacted>
> 
> Add support for the Himax HX8369 controller as it is quite similar to the
> hx8357.
> 
> Signed-off-by: Alexandre Belloni <redacted>
> Signed-off-by: Maxime Ripard <redacted>
> Acked-by: Jingoo Han <redacted>
> ---
>  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
```