[{"id":1770653,"web_url":"http://patchwork.ozlabs.org/comment/1770653/","msgid":"","list_archive_url":null,"date":"2017-09-19T04:59:50","subject":"Re: [U-Boot] [PATCH 1/5] dm: video: bridge: add operation to read\n\tEDID","submitter":{"id":6930,"url":"http://patchwork.ozlabs.org/api/people/6930/","name":"Vasily Khoruzhick","email":"anarsoul@gmail.com"},"content":"Please discard this, I forgot to include maintainers in CC. Will resend.\n\nOn Sun, Sep 17, 2017 at 8:21 PM, Vasily Khoruzhick wrote:\n> Bridge may have ability to read EDID from panel that is connected to it,\n> so add an operation to read EDID.\n>\n> Signed-off-by: Vasily Khoruzhick \n> ---\n> drivers/video/bridge/video-bridge-uclass.c | 10 ++++++++++\n> include/video_bridge.h | 20 ++++++++++++++++++++\n> 2 files changed, 30 insertions(+)\n>\n> diff --git a/drivers/video/bridge/video-bridge-uclass.c b/drivers/video/bridge/video-bridge-uclass.c\n> index 07270bac9e..79facd02a6 100644\n> --- a/drivers/video/bridge/video-bridge-uclass.c\n> +++ b/drivers/video/bridge/video-bridge-uclass.c\n> @@ -8,6 +8,7 @@\n> #include \n> #include \n> #include \n> +#include \n> #include \n>\n> int video_bridge_set_backlight(struct udevice *dev, int percent)\n> @@ -45,6 +46,15 @@ int video_bridge_check_attached(struct udevice *dev)\n> return ops->check_attached(dev);\n> }\n>\n> +int video_bridge_read_edid(struct udevice *dev, u8 *buf, int buf_size)\n> +{\n> + struct video_bridge_ops *ops = video_bridge_get_ops(dev);\n> +\n> + if (!ops || !ops->read_edid)\n> + return -ENOSYS;\n> + return ops->read_edid(dev, buf, buf_size);\n> +}\n> +\n> static int video_bridge_pre_probe(struct udevice *dev)\n> {\n> struct video_bridge_priv *uc_priv = dev_get_uclass_priv(dev);\n> diff --git a/include/video_bridge.h b/include/video_bridge.h\n> index c7b8681849..0699a8dda8 100644\n> --- a/include/video_bridge.h\n> +++ b/include/video_bridge.h\n> @@ -53,6 +53,16 @@ struct video_bridge_ops {\n> * @return 0 if OK, -ve on error\n> */\n> int (*set_backlight)(struct udevice *dev, int percent);\n> +\n> + /**\n> + * read_edid() - Read information from EDID\n> + *\n> + * @dev: Device to read from\n> + * @buf: Buffer to read into\n> + * @buf_size: Buffer size\n> + * @return number of bytes read, <=0 for error\n> + */\n> + int (*read_edid)(struct udevice *dev, u8 *buf, int buf_size);\n> };\n>\n> #define video_bridge_get_ops(dev) \\\n> @@ -89,4 +99,14 @@ int video_bridge_set_active(struct udevice *dev, bool active);\n> */\n> int video_bridge_check_attached(struct udevice *dev);\n>\n> +/**\n> + * video_bridge_read_edid() - Read information from EDID\n> + *\n> + * @dev: Device to read from\n> + * @buf: Buffer to read into\n> + * @buf_size: Buffer size\n> + * @return number of bytes read, <=0 for error\n> + */\n> +int video_bridge_read_edid(struct udevice *dev, u8 *buf, int buf_size);\n> +\n> #endif\n> --\n> 2.14.1\n>","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; 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