[PATCH v8 2/3] drm/panel: Add support for S6E3HA2 panel driver on TM2 board

Andi Shyti andi.shyti at samsung.com
Thu Feb 9 08:20:27 UTC 2017


Hi,

just for my knowledge and all those working on the tm2(e)
devices, is this patch going in or not?

If not, Thierry, could you please say what Hoegeun needs to do in
order to get this in?

Thanks,
Andi

On Wed, Jan 11, 2017 at 03:33:58PM +0900, Hoegeun Kwon wrote:
> This patch add support for MIPI-DSI based S6E3HA2 AMOLED panel
> driver. This panel has 1440x2560 resolution in 5.7-inch physical
> panel in the TM2 device.
> 
> Signed-off-by: Donghwa Lee <dh09.lee at samsung.com>
> Signed-off-by: Hyungwon Hwang <human.hwang at samsung.com>
> Signed-off-by: Hoegeun Kwon <hoegeun.kwon at samsung.com>
> Tested-by: Chanwoo Choi <cw00.choi at samsung.com>
> Reviewed-by: Andrzej Hajda <a.hajda at samsung.com>
> ---
>  drivers/gpu/drm/panel/Kconfig                 |   6 +
>  drivers/gpu/drm/panel/Makefile                |   1 +
>  drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c | 754 ++++++++++++++++++++++++++
>  3 files changed, 761 insertions(+)
>  create mode 100644 drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c
> 
> diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
> index 62aba97..d913c83 100644
> --- a/drivers/gpu/drm/panel/Kconfig
> +++ b/drivers/gpu/drm/panel/Kconfig
> @@ -52,6 +52,12 @@ config DRM_PANEL_PANASONIC_VVX10F034N00
>  	  WUXGA (1920x1200) Novatek NT1397-based DSI panel as found in some
>  	  Xperia Z2 tablets
>  
> +config DRM_PANEL_SAMSUNG_S6E3HA2
> +	tristate "Samsung S6E3HA2 DSI video mode panel"
> +	depends on OF
> +	depends on DRM_MIPI_DSI
> +	select VIDEOMODE_HELPERS
> +
>  config DRM_PANEL_SAMSUNG_S6E8AA0
>  	tristate "Samsung S6E8AA0 DSI video mode panel"
>  	depends on OF
> diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
> index a5c7ec0..1d483b0 100644
> --- a/drivers/gpu/drm/panel/Makefile
> +++ b/drivers/gpu/drm/panel/Makefile
> @@ -3,6 +3,7 @@ obj-$(CONFIG_DRM_PANEL_JDI_LT070ME05000) += panel-jdi-lt070me05000.o
>  obj-$(CONFIG_DRM_PANEL_LG_LG4573) += panel-lg-lg4573.o
>  obj-$(CONFIG_DRM_PANEL_PANASONIC_VVX10F034N00) += panel-panasonic-vvx10f034n00.o
>  obj-$(CONFIG_DRM_PANEL_SAMSUNG_LD9040) += panel-samsung-ld9040.o
> +obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E3HA2) += panel-samsung-s6e3ha2.o
>  obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E8AA0) += panel-samsung-s6e8aa0.o
>  obj-$(CONFIG_DRM_PANEL_SHARP_LQ101R1SX01) += panel-sharp-lq101r1sx01.o
>  obj-$(CONFIG_DRM_PANEL_SHARP_LS043T1LE01) += panel-sharp-ls043t1le01.o
> diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c b/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c
> new file mode 100644
> index 0000000..0b9c6f4
> --- /dev/null
> +++ b/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c
> @@ -0,0 +1,754 @@
> +/*
> + * MIPI-DSI based s6e3ha2 AMOLED 5.7 inch panel driver.
> + *
> + * Copyright (c) 2016 Samsung Electronics Co., Ltd.
> + * Donghwa Lee <dh09.lee at samsung.com>
> + * Hyungwon Hwang <human.hwang at samsung.com>
> + * Hoegeun Kwon <hoegeun.kwon at samsung.com>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + */
> +
> +#include <drm/drmP.h>
> +#include <drm/drm_mipi_dsi.h>
> +#include <drm/drm_panel.h>
> +#include <linux/backlight.h>
> +#include <linux/gpio/consumer.h>
> +#include <linux/regulator/consumer.h>
> +
> +#define S6E3HA2_MIN_BRIGHTNESS		0
> +#define S6E3HA2_MAX_BRIGHTNESS		100
> +#define S6E3HA2_DEFAULT_BRIGHTNESS	80
> +
> +#define S6E3HA2_NUM_GAMMA_STEPS		46
> +#define S6E3HA2_GAMMA_CMD_CNT		35
> +#define S6E3HA2_VINT_STATUS_MAX		10
> +
> +static const u8 gamma_tbl[S6E3HA2_NUM_GAMMA_STEPS][S6E3HA2_GAMMA_CMD_CNT] = {
> +	{ 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x82, 0x83,
> +	  0x85, 0x88, 0x8b, 0x8b, 0x84, 0x88, 0x82, 0x82, 0x89, 0x86, 0x8c,
> +	  0x94, 0x84, 0xb1, 0xaf, 0x8e, 0xcf, 0xad, 0xc9, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x84, 0x84,
> +	  0x85, 0x87, 0x8b, 0x8a, 0x84, 0x88, 0x82, 0x82, 0x89, 0x86, 0x8a,
> +	  0x93, 0x84, 0xb0, 0xae, 0x8e, 0xc9, 0xa8, 0xc5, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
> +	  0x85, 0x86, 0x8a, 0x8a, 0x84, 0x88, 0x81, 0x84, 0x8a, 0x88, 0x8a,
> +	  0x91, 0x84, 0xb1, 0xae, 0x8b, 0xd5, 0xb2, 0xcc, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
> +	  0x85, 0x86, 0x8a, 0x8a, 0x84, 0x87, 0x81, 0x84, 0x8a, 0x87, 0x8a,
> +	  0x91, 0x85, 0xae, 0xac, 0x8a, 0xc3, 0xa3, 0xc0, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x85, 0x85,
> +	  0x86, 0x85, 0x88, 0x89, 0x84, 0x89, 0x82, 0x84, 0x87, 0x85, 0x8b,
> +	  0x91, 0x88, 0xad, 0xab, 0x8a, 0xb7, 0x9b, 0xb6, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
> +	  0x85, 0x86, 0x89, 0x8a, 0x84, 0x89, 0x83, 0x83, 0x86, 0x84, 0x8b,
> +	  0x90, 0x84, 0xb0, 0xae, 0x8b, 0xce, 0xad, 0xc8, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
> +	  0x85, 0x87, 0x89, 0x8a, 0x83, 0x87, 0x82, 0x85, 0x88, 0x87, 0x89,
> +	  0x8f, 0x84, 0xac, 0xaa, 0x89, 0xb1, 0x98, 0xaf, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
> +	  0x85, 0x86, 0x88, 0x89, 0x84, 0x88, 0x83, 0x82, 0x85, 0x84, 0x8c,
> +	  0x91, 0x86, 0xac, 0xaa, 0x89, 0xc2, 0xa5, 0xbd, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
> +	  0x85, 0x87, 0x89, 0x8a, 0x83, 0x87, 0x82, 0x85, 0x88, 0x87, 0x88,
> +	  0x8b, 0x82, 0xad, 0xaa, 0x8a, 0xc2, 0xa5, 0xbd, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
> +	  0x85, 0x86, 0x87, 0x89, 0x84, 0x88, 0x83, 0x82, 0x85, 0x84, 0x8a,
> +	  0x8e, 0x84, 0xae, 0xac, 0x89, 0xda, 0xb7, 0xd0, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
> +	  0x85, 0x86, 0x87, 0x89, 0x84, 0x88, 0x83, 0x80, 0x83, 0x82, 0x8b,
> +	  0x8e, 0x85, 0xac, 0xaa, 0x89, 0xc8, 0xaa, 0xc1, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
> +	  0x85, 0x86, 0x87, 0x89, 0x81, 0x85, 0x81, 0x84, 0x86, 0x84, 0x8c,
> +	  0x8c, 0x84, 0xa9, 0xa8, 0x87, 0xa3, 0x92, 0xa1, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
> +	  0x85, 0x86, 0x87, 0x89, 0x84, 0x86, 0x83, 0x80, 0x83, 0x81, 0x8c,
> +	  0x8d, 0x84, 0xaa, 0xaa, 0x89, 0xce, 0xaf, 0xc5, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
> +	  0x85, 0x86, 0x87, 0x89, 0x81, 0x83, 0x80, 0x83, 0x85, 0x85, 0x8c,
> +	  0x8c, 0x84, 0xa8, 0xa8, 0x88, 0xb5, 0x9f, 0xb0, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
> +	  0x86, 0x86, 0x87, 0x88, 0x81, 0x83, 0x80, 0x83, 0x85, 0x85, 0x8c,
> +	  0x8b, 0x84, 0xab, 0xa8, 0x86, 0xd4, 0xb4, 0xc9, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
> +	  0x86, 0x86, 0x87, 0x88, 0x81, 0x83, 0x80, 0x84, 0x84, 0x85, 0x8b,
> +	  0x8a, 0x83, 0xa6, 0xa5, 0x84, 0xbb, 0xa4, 0xb3, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
> +	  0x86, 0x85, 0x86, 0x86, 0x82, 0x85, 0x81, 0x82, 0x83, 0x84, 0x8e,
> +	  0x8b, 0x83, 0xa4, 0xa3, 0x8a, 0xa1, 0x93, 0x9d, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83,
> +	  0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x82, 0x82, 0x84, 0x8e,
> +	  0x8b, 0x83, 0xa4, 0xa2, 0x86, 0xc1, 0xa9, 0xb7, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83,
> +	  0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x82, 0x82, 0x84, 0x8d,
> +	  0x89, 0x82, 0xa2, 0xa1, 0x84, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83,
> +	  0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x83, 0x83, 0x85, 0x8c,
> +	  0x87, 0x7f, 0xa2, 0x9d, 0x88, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xbb, 0x00, 0xc5, 0x00, 0xb4, 0x87, 0x86, 0x86, 0x84, 0x83,
> +	  0x86, 0x87, 0x87, 0x87, 0x80, 0x82, 0x7f, 0x86, 0x86, 0x88, 0x8a,
> +	  0x84, 0x7e, 0x9d, 0x9c, 0x82, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xbd, 0x00, 0xc7, 0x00, 0xb7, 0x87, 0x85, 0x85, 0x84, 0x83,
> +	  0x86, 0x86, 0x86, 0x88, 0x81, 0x83, 0x80, 0x83, 0x84, 0x85, 0x8a,
> +	  0x85, 0x7e, 0x9c, 0x9b, 0x85, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xc0, 0x00, 0xca, 0x00, 0xbb, 0x87, 0x86, 0x85, 0x83, 0x83,
> +	  0x85, 0x86, 0x86, 0x88, 0x81, 0x83, 0x80, 0x84, 0x85, 0x86, 0x89,
> +	  0x83, 0x7d, 0x9c, 0x99, 0x87, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xc4, 0x00, 0xcd, 0x00, 0xbe, 0x87, 0x86, 0x85, 0x83, 0x83,
> +	  0x86, 0x85, 0x85, 0x87, 0x81, 0x82, 0x80, 0x82, 0x82, 0x83, 0x8a,
> +	  0x85, 0x7f, 0x9f, 0x9b, 0x86, 0xb4, 0xa1, 0xac, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xc7, 0x00, 0xd0, 0x00, 0xc2, 0x87, 0x85, 0x85, 0x83, 0x82,
> +	  0x85, 0x85, 0x85, 0x86, 0x82, 0x83, 0x80, 0x82, 0x82, 0x84, 0x87,
> +	  0x86, 0x80, 0x9e, 0x9a, 0x87, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xca, 0x00, 0xd2, 0x00, 0xc5, 0x87, 0x85, 0x84, 0x82, 0x82,
> +	  0x84, 0x85, 0x85, 0x86, 0x81, 0x82, 0x7f, 0x82, 0x82, 0x84, 0x88,
> +	  0x86, 0x81, 0x9d, 0x98, 0x86, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xce, 0x00, 0xd6, 0x00, 0xca, 0x86, 0x85, 0x84, 0x83, 0x83,
> +	  0x85, 0x84, 0x84, 0x85, 0x81, 0x82, 0x80, 0x81, 0x81, 0x82, 0x89,
> +	  0x86, 0x81, 0x9c, 0x97, 0x86, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xd1, 0x00, 0xd9, 0x00, 0xce, 0x86, 0x84, 0x83, 0x83, 0x82,
> +	  0x85, 0x85, 0x85, 0x86, 0x81, 0x83, 0x81, 0x82, 0x82, 0x83, 0x86,
> +	  0x83, 0x7f, 0x99, 0x95, 0x86, 0xbb, 0xa4, 0xb3, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xd4, 0x00, 0xdb, 0x00, 0xd1, 0x86, 0x85, 0x83, 0x83, 0x82,
> +	  0x85, 0x84, 0x84, 0x85, 0x80, 0x83, 0x82, 0x80, 0x80, 0x81, 0x87,
> +	  0x84, 0x81, 0x98, 0x93, 0x85, 0xae, 0x9c, 0xa8, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xd8, 0x00, 0xde, 0x00, 0xd6, 0x86, 0x84, 0x83, 0x81, 0x81,
> +	  0x83, 0x85, 0x85, 0x85, 0x82, 0x83, 0x81, 0x81, 0x81, 0x83, 0x86,
> +	  0x84, 0x80, 0x98, 0x91, 0x85, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xdc, 0x00, 0xe2, 0x00, 0xda, 0x85, 0x84, 0x83, 0x82, 0x82,
> +	  0x84, 0x84, 0x84, 0x85, 0x81, 0x82, 0x82, 0x80, 0x80, 0x81, 0x83,
> +	  0x82, 0x7f, 0x99, 0x93, 0x86, 0x94, 0x8b, 0x92, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xdf, 0x00, 0xe5, 0x00, 0xde, 0x85, 0x84, 0x82, 0x82, 0x82,
> +	  0x84, 0x83, 0x83, 0x84, 0x81, 0x81, 0x80, 0x83, 0x82, 0x84, 0x82,
> +	  0x81, 0x7f, 0x99, 0x92, 0x86, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,
> +	  0x82, 0x83, 0x83, 0x84, 0x80, 0x81, 0x80, 0x83, 0x83, 0x84, 0x80,
> +	  0x81, 0x7c, 0x99, 0x92, 0x87, 0xa1, 0x93, 0x9d, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x85, 0x84, 0x83, 0x81, 0x81,
> +	  0x82, 0x82, 0x82, 0x83, 0x80, 0x81, 0x80, 0x81, 0x80, 0x82, 0x83,
> +	  0x82, 0x80, 0x91, 0x8d, 0x83, 0x9a, 0x90, 0x96, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,
> +	  0x82, 0x83, 0x83, 0x84, 0x80, 0x81, 0x80, 0x81, 0x80, 0x82, 0x83,
> +	  0x81, 0x7f, 0x91, 0x8c, 0x82, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,
> +	  0x82, 0x83, 0x83, 0x83, 0x82, 0x82, 0x81, 0x81, 0x80, 0x82, 0x82,
> +	  0x82, 0x7f, 0x94, 0x89, 0x84, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,
> +	  0x82, 0x83, 0x83, 0x83, 0x82, 0x82, 0x81, 0x81, 0x80, 0x82, 0x83,
> +	  0x82, 0x7f, 0x91, 0x85, 0x81, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,
> +	  0x82, 0x83, 0x83, 0x83, 0x80, 0x80, 0x7f, 0x83, 0x82, 0x84, 0x83,
> +	  0x82, 0x7f, 0x90, 0x84, 0x81, 0x9a, 0x90, 0x96, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x80, 0x80,
> +	  0x82, 0x83, 0x83, 0x83, 0x80, 0x80, 0x7f, 0x80, 0x80, 0x81, 0x81,
> +	  0x82, 0x83, 0x7e, 0x80, 0x7c, 0xa4, 0x97, 0x9f, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xe9, 0x00, 0xec, 0x00, 0xe8, 0x84, 0x83, 0x82, 0x81, 0x81,
> +	  0x82, 0x82, 0x82, 0x83, 0x7f, 0x7f, 0x7f, 0x81, 0x80, 0x82, 0x83,
> +	  0x83, 0x84, 0x79, 0x7c, 0x79, 0xb1, 0xa0, 0xaa, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xed, 0x00, 0xf0, 0x00, 0xec, 0x83, 0x83, 0x82, 0x80, 0x80,
> +	  0x81, 0x82, 0x82, 0x82, 0x7f, 0x7f, 0x7e, 0x81, 0x81, 0x82, 0x80,
> +	  0x81, 0x81, 0x84, 0x84, 0x83, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xf1, 0x00, 0xf4, 0x00, 0xf1, 0x83, 0x82, 0x82, 0x80, 0x80,
> +	  0x81, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x81, 0x7d,
> +	  0x7e, 0x7f, 0x84, 0x84, 0x83, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xf6, 0x00, 0xf7, 0x00, 0xf5, 0x82, 0x82, 0x81, 0x80, 0x80,
> +	  0x80, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x7f, 0x7f, 0x7f, 0x82,
> +	  0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x00, 0xfa, 0x00, 0xfb, 0x00, 0xfa, 0x81, 0x81, 0x81, 0x80, 0x80,
> +	  0x80, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
> +	  0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80,
> +	  0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
> +	  0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 },
> +	{ 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80,
> +	  0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
> +	  0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
> +	  0x00, 0x00 }
> +};
> +
> +unsigned char vint_table[S6E3HA2_VINT_STATUS_MAX] = {
> +	0x18, 0x19, 0x1a, 0x1b, 0x1c,
> +	0x1d, 0x1e, 0x1f, 0x20, 0x21
> +};
> +
> +struct s6e3ha2 {
> +	struct device *dev;
> +	struct drm_panel panel;
> +	struct backlight_device *bl_dev;
> +
> +	struct regulator_bulk_data supplies[2];
> +	struct gpio_desc *reset_gpio;
> +	struct gpio_desc *enable_gpio;
> +
> +	/* This field is tested by functions directly accessing DSI bus before
> +	 * transfer, transfer is skipped if it is set. In case of transfer
> +	 * failure or unexpected response the field is set to error value.
> +	 * Such construct allows to eliminate many checks in higher level
> +	 * functions.
> +	 */
> +	int error;
> +};
> +
> +static int  s6e3ha2_clear_error(struct s6e3ha2 *ctx)
> +{
> +	int ret = ctx->error;
> +
> +	ctx->error = 0;
> +	return ret;
> +}
> +
> +static void s6e3ha2_dcs_write(struct s6e3ha2 *ctx, const void *data, size_t len)
> +{
> +	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
> +	ssize_t ret;
> +
> +	if (ctx->error < 0)
> +		return;
> +
> +	ret = mipi_dsi_dcs_write_buffer(dsi, data, len);
> +	if (ret < 0) {
> +		dev_err(ctx->dev, "error %zd writing dcs seq: %*ph\n",
> +						ret, (int)len, data);
> +		ctx->error = ret;
> +	}
> +}
> +
> +#define s6e3ha2_dcs_write_seq_static(ctx, seq...) do {	\
> +	static const u8 d[] = { seq };			\
> +	s6e3ha2_dcs_write(ctx, d, ARRAY_SIZE(d));	\
> +} while (0)
> +
> +static void s6e3ha2_test_key_on_f0(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xf0, 0x5a, 0x5a);
> +}
> +
> +static void s6e3ha2_test_key_off_f0(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xf0, 0xa5, 0xa5);
> +}
> +
> +static void s6e3ha2_test_key_on_fc(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xfc, 0x5a, 0x5a);
> +}
> +
> +static void s6e3ha2_test_key_off_fc(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xfc, 0xa5, 0xa5);
> +}
> +
> +static void s6e3ha2_single_dsi_set(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xf2, 0x67);
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xf9, 0x09);
> +}
> +
> +static void s6e3ha2_freq_calibration(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xfd, 0x1c);
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x20, 0x39);
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0xa0);
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x20);
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xce, 0x03, 0x3b, 0x12, 0x62,
> +		0x40, 0x80, 0xc0, 0x28, 0x28, 0x28, 0x28, 0x39, 0xc5);
> +}
> +
> +static void s6e3ha2_aor_control(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xb2, 0x03, 0x10);
> +}
> +
> +static void s6e3ha2_caps_elvss_set(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xb6, 0x9c, 0x0a);
> +}
> +
> +static void s6e3ha2_acl_off(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx, 0x55, 0x00);
> +}
> +
> +static void s6e3ha2_acl_off_opr(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xb5, 0x40);
> +}
> +
> +static void s6e3ha2_test_global(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xb0, 0x07);
> +}
> +
> +static void s6e3ha2_test(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xb8, 0x19);
> +}
> +
> +static void s6e3ha2_touch_hsync_on1(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx,
> +			0xbd, 0x33, 0x11, 0x02, 0x16, 0x02, 0x16);
> +}
> +
> +static void s6e3ha2_pentile_control(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xc0, 0x00, 0x00, 0xd8, 0xd8);
> +}
> +
> +static void s6e3ha2_poc_global(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xb0, 0x20);
> +}
> +
> +static void s6e3ha2_poc_setting(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x08);
> +}
> +
> +static void s6e3ha2_pcd_set_off(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xcc, 0x40, 0x51);
> +}
> +
> +static void s6e3ha2_err_fg_set(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xed, 0x44);
> +}
> +
> +static void s6e3ha2_hbm_off(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx, 0x53, 0x00);
> +}
> +
> +static void s6e3ha2_te_start_setting(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xb9, 0x10, 0x09, 0xff, 0x00, 0x09);
> +}
> +
> +static void s6e3ha2_gamma_update(struct s6e3ha2 *ctx)
> +{
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xf7, 0x03);
> +	ndelay(100); /* need for 100ns delay */
> +	s6e3ha2_dcs_write_seq_static(ctx, 0xf7, 0x00);
> +}
> +
> +static int s6e3ha2_get_brightness(struct backlight_device *bl_dev)
> +{
> +	return bl_dev->props.brightness;
> +}
> +
> +static void s6e3ha2_set_vint(struct s6e3ha2 *ctx)
> +{
> +	struct backlight_device *bl_dev = ctx->bl_dev;
> +	unsigned int brightness = bl_dev->props.brightness;
> +	unsigned char data[] = { 0xf4, 0x8b,
> +			vint_table[brightness * (S6E3HA2_VINT_STATUS_MAX - 1) /
> +			S6E3HA2_MAX_BRIGHTNESS] };
> +
> +	s6e3ha2_dcs_write(ctx, data, ARRAY_SIZE(data));
> +}
> +
> +static unsigned int s6e3ha2_get_brightness_index(unsigned int brightness)
> +{
> +	return (brightness * (S6E3HA2_NUM_GAMMA_STEPS - 1)) /
> +		S6E3HA2_MAX_BRIGHTNESS;
> +}
> +
> +static int s6e3ha2_update_gamma(struct s6e3ha2 *ctx, unsigned int brightness)
> +{
> +	struct backlight_device *bl_dev = ctx->bl_dev;
> +	unsigned int index = s6e3ha2_get_brightness_index(brightness);
> +	u8 data[S6E3HA2_GAMMA_CMD_CNT + 1] = { 0xca, };
> +
> +	memcpy(data + 1, gamma_tbl + index, S6E3HA2_GAMMA_CMD_CNT);
> +	s6e3ha2_dcs_write(ctx, data, ARRAY_SIZE(data));
> +
> +	s6e3ha2_gamma_update(ctx);
> +	bl_dev->props.brightness = brightness;
> +
> +	return 0;
> +}
> +
> +static int s6e3ha2_set_brightness(struct backlight_device *bl_dev)
> +{
> +	struct s6e3ha2 *ctx = bl_get_data(bl_dev);
> +	unsigned int brightness = bl_dev->props.brightness;
> +
> +	if (brightness < S6E3HA2_MIN_BRIGHTNESS ||
> +		brightness > bl_dev->props.max_brightness) {
> +		dev_err(ctx->dev, "Invalid brightness: %u\n", brightness);
> +		return -EINVAL;
> +	}
> +
> +	if (bl_dev->props.power > FB_BLANK_NORMAL)
> +		return -EPERM;
> +
> +	s6e3ha2_test_key_on_f0(ctx);
> +	s6e3ha2_update_gamma(ctx, brightness);
> +	s6e3ha2_aor_control(ctx);
> +	s6e3ha2_set_vint(ctx);
> +	s6e3ha2_test_key_off_f0(ctx);
> +
> +	return ctx->error;
> +}
> +
> +static const struct backlight_ops s6e3ha2_bl_ops = {
> +	.get_brightness = s6e3ha2_get_brightness,
> +	.update_status = s6e3ha2_set_brightness,
> +};
> +
> +static int s6e3ha2_panel_init(struct s6e3ha2 *ctx)
> +{
> +	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
> +	int ret;
> +
> +	ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
> +	if (ret < 0)
> +		return ret;
> +	usleep_range(5000, 6000);
> +
> +	s6e3ha2_test_key_on_f0(ctx);
> +	s6e3ha2_single_dsi_set(ctx);
> +	s6e3ha2_test_key_on_fc(ctx);
> +	s6e3ha2_freq_calibration(ctx);
> +	s6e3ha2_test_key_off_fc(ctx);
> +	s6e3ha2_test_key_off_f0(ctx);
> +
> +	return 0;
> +}
> +
> +static int s6e3ha2_power_off(struct s6e3ha2 *ctx)
> +{
> +	return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
> +}
> +
> +static int s6e3ha2_disable(struct drm_panel *panel)
> +{
> +	struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
> +	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
> +	int ret;
> +
> +	ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
> +	if (ret < 0)
> +		return ret;
> +
> +	ret = mipi_dsi_dcs_set_display_off(dsi);
> +	if (ret < 0)
> +		return ret;
> +
> +	msleep(40);
> +	ctx->bl_dev->props.power = FB_BLANK_NORMAL;
> +
> +	return 0;
> +}
> +
> +static int s6e3ha2_unprepare(struct drm_panel *panel)
> +{
> +	struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
> +	int ret;
> +
> +	ret = s6e3ha2_clear_error(ctx);
> +	if (!ret)
> +		ctx->bl_dev->props.power = FB_BLANK_POWERDOWN;
> +
> +	return s6e3ha2_power_off(ctx);
> +}
> +
> +static int s6e3ha2_power_on(struct s6e3ha2 *ctx)
> +{
> +	int ret;
> +
> +	ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
> +	if (ret < 0)
> +		return ret;
> +
> +	msleep(120);
> +
> +	gpiod_set_value(ctx->enable_gpio, 0);
> +	usleep_range(5000, 6000);
> +	gpiod_set_value(ctx->enable_gpio, 1);
> +
> +	gpiod_set_value(ctx->reset_gpio, 1);
> +	usleep_range(5000, 6000);
> +	gpiod_set_value(ctx->reset_gpio, 0);
> +	usleep_range(5000, 6000);
> +
> +	return 0;
> +}
> +static int s6e3ha2_prepare(struct drm_panel *panel)
> +{
> +	struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
> +	int ret;
> +
> +	ret = s6e3ha2_power_on(ctx);
> +	if (ret < 0)
> +		return ret;
> +
> +	ret = s6e3ha2_panel_init(ctx);
> +	if (ret < 0)
> +		goto err;
> +
> +	ret = s6e3ha2_clear_error(ctx);
> +	if (ret < 0)
> +		goto err;
> +
> +	ctx->bl_dev->props.power = FB_BLANK_NORMAL;
> +
> +	return 0;
> +
> +err:
> +	s6e3ha2_power_off(ctx);
> +	return ret;
> +}
> +
> +static int s6e3ha2_enable(struct drm_panel *panel)
> +{
> +	struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
> +	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
> +	int ret;
> +
> +	/* common setting */
> +	ret = mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
> +	if (ret < 0)
> +		return ret;
> +
> +	s6e3ha2_test_key_on_f0(ctx);
> +	s6e3ha2_test_key_on_fc(ctx);
> +	s6e3ha2_touch_hsync_on1(ctx);
> +	s6e3ha2_pentile_control(ctx);
> +	s6e3ha2_poc_global(ctx);
> +	s6e3ha2_poc_setting(ctx);
> +	s6e3ha2_test_key_off_fc(ctx);
> +
> +	/* pcd setting off for TB */
> +	s6e3ha2_pcd_set_off(ctx);
> +	s6e3ha2_err_fg_set(ctx);
> +	s6e3ha2_te_start_setting(ctx);
> +
> +	/* brightness setting */
> +	s6e3ha2_set_brightness(ctx->bl_dev);
> +	s6e3ha2_aor_control(ctx);
> +	s6e3ha2_caps_elvss_set(ctx);
> +	s6e3ha2_gamma_update(ctx);
> +	s6e3ha2_acl_off(ctx);
> +	s6e3ha2_acl_off_opr(ctx);
> +	s6e3ha2_hbm_off(ctx);
> +
> +	/* elvss temp compensation */
> +	s6e3ha2_test_global(ctx);
> +	s6e3ha2_test(ctx);
> +	s6e3ha2_test_key_off_f0(ctx);
> +
> +	if (ctx->error != 0)
> +		return ctx->error;
> +
> +	ret = mipi_dsi_dcs_set_display_on(dsi);
> +	if (ret < 0)
> +		return ret;
> +
> +	ctx->bl_dev->props.power = FB_BLANK_UNBLANK;
> +
> +	return 0;
> +}
> +
> +static const struct drm_display_mode default_mode = {
> +	.clock = 222372,
> +	.hdisplay = 1440,
> +	.hsync_start = 1440 + 1,
> +	.hsync_end = 1440 + 1 + 1,
> +	.htotal = 1440 + 1 + 1 + 1,
> +	.vdisplay = 2560,
> +	.vsync_start = 2560 + 1,
> +	.vsync_end = 2560 + 1 + 1,
> +	.vtotal = 2560 + 1 + 1 + 15,
> +	.vrefresh = 60,
> +	.flags = 0,
> +};
> +
> +static int s6e3ha2_get_modes(struct drm_panel *panel)
> +{
> +	struct drm_connector *connector = panel->connector;
> +	struct drm_display_mode *mode;
> +
> +	mode = drm_mode_duplicate(panel->drm, &default_mode);
> +	if (!mode) {
> +		DRM_ERROR("failed to add mode %ux%ux@%u\n",
> +				default_mode.hdisplay, default_mode.vdisplay,
> +				default_mode.vrefresh);
> +		return -ENOMEM;
> +	}
> +
> +	drm_mode_set_name(mode);
> +
> +	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
> +	drm_mode_probed_add(connector, mode);
> +
> +	connector->display_info.width_mm = 71;
> +	connector->display_info.height_mm = 125;
> +
> +	return 1;
> +}
> +
> +static const struct drm_panel_funcs s6e3ha2_drm_funcs = {
> +	.disable = s6e3ha2_disable,
> +	.unprepare = s6e3ha2_unprepare,
> +	.prepare = s6e3ha2_prepare,
> +	.enable = s6e3ha2_enable,
> +	.get_modes = s6e3ha2_get_modes,
> +};
> +
> +static int s6e3ha2_probe(struct mipi_dsi_device *dsi)
> +{
> +	struct device *dev = &dsi->dev;
> +	struct s6e3ha2 *ctx;
> +	int ret;
> +
> +	ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
> +	if (!ctx)
> +		return -ENOMEM;
> +
> +	mipi_dsi_set_drvdata(dsi, ctx);
> +
> +	ctx->dev = dev;
> +
> +	dsi->lanes = 4;
> +	dsi->format = MIPI_DSI_FMT_RGB888;
> +	dsi->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS;
> +
> +	ctx->supplies[0].supply = "vdd3";
> +	ctx->supplies[1].supply = "vci";
> +
> +	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies),
> +				      ctx->supplies);
> +	if (ret < 0) {
> +		dev_err(dev, "failed to get regulators: %d\n", ret);
> +		return ret;
> +	}
> +
> +	ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
> +	if (IS_ERR(ctx->reset_gpio)) {
> +		dev_err(dev, "cannot get reset-gpios %ld\n",
> +			PTR_ERR(ctx->reset_gpio));
> +		return PTR_ERR(ctx->reset_gpio);
> +	}
> +
> +	ctx->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH);
> +	if (IS_ERR(ctx->enable_gpio)) {
> +		dev_err(dev, "cannot get enable-gpios %ld\n",
> +			PTR_ERR(ctx->enable_gpio));
> +		return PTR_ERR(ctx->enable_gpio);
> +	}
> +
> +	ctx->bl_dev = backlight_device_register("s6e3ha2", dev, ctx,
> +						&s6e3ha2_bl_ops, NULL);
> +	if (IS_ERR(ctx->bl_dev)) {
> +		dev_err(dev, "failed to register backlight device\n");
> +		return PTR_ERR(ctx->bl_dev);
> +	}
> +
> +	ctx->bl_dev->props.max_brightness = S6E3HA2_MAX_BRIGHTNESS;
> +	ctx->bl_dev->props.brightness = S6E3HA2_DEFAULT_BRIGHTNESS;
> +	ctx->bl_dev->props.power = FB_BLANK_POWERDOWN;
> +
> +	drm_panel_init(&ctx->panel);
> +	ctx->panel.dev = dev;
> +	ctx->panel.funcs = &s6e3ha2_drm_funcs;
> +
> +	ret = drm_panel_add(&ctx->panel);
> +	if (ret < 0)
> +		goto unregister_backlight;
> +
> +	ret = mipi_dsi_attach(dsi);
> +	if (ret < 0)
> +		goto remove_panel;
> +
> +	return ret;
> +
> +remove_panel:
> +	drm_panel_remove(&ctx->panel);
> +
> +unregister_backlight:
> +	backlight_device_unregister(ctx->bl_dev);
> +
> +	return ret;
> +}
> +
> +static int s6e3ha2_remove(struct mipi_dsi_device *dsi)
> +{
> +	struct s6e3ha2 *ctx = mipi_dsi_get_drvdata(dsi);
> +
> +	mipi_dsi_detach(dsi);
> +	drm_panel_remove(&ctx->panel);
> +	backlight_device_unregister(ctx->bl_dev);
> +
> +	return 0;
> +}
> +
> +static const struct of_device_id s6e3ha2_of_match[] = {
> +	{ .compatible = "samsung,s6e3ha2" },
> +	{ }
> +};
> +MODULE_DEVICE_TABLE(of, s6e3ha2_of_match);
> +
> +static struct mipi_dsi_driver s6e3ha2_driver = {
> +	.probe = s6e3ha2_probe,
> +	.remove = s6e3ha2_remove,
> +	.driver = {
> +		.name = "panel-samsung-s6e3ha2",
> +		.of_match_table = s6e3ha2_of_match,
> +	},
> +};
> +module_mipi_dsi_driver(s6e3ha2_driver);
> +
> +MODULE_AUTHOR("Donghwa Lee <dh09.lee at samsung.com>");
> +MODULE_AUTHOR("Hyungwon Hwang <human.hwang at samsung.com>");
> +MODULE_AUTHOR("Hoegeun Kwon <hoegeun.kwon at samsung.com>");
> +MODULE_DESCRIPTION("MIPI-DSI based s6e3ha2 AMOLED Panel Driver");
> +MODULE_LICENSE("GPL v2");
> -- 
> 1.9.1
> 
> --
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