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Message-Id: <20190604111334.22182-1-yamada.masahiro@socionext.com>
Date: Tue, 4 Jun 2019 20:13:34 +0900
From: Masahiro Yamada <yamada.masahiro@...ionext.com>
To: linux-media@...r.kernel.org,
Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: Thomas Gleixner <tglx@...utronix.de>,
Greg KH <gregkh@...uxfoundation.org>,
Arnd Bergmann <arnd@...db.de>, Joe Perches <joe@...ches.com>,
Randy Dunlap <rdunlap@...radead.org>,
Masahiro Yamada <yamada.masahiro@...ionext.com>,
linux-kernel@...r.kernel.org
Subject: [PATCH] media: do not use C++ style comments in uapi headers
Linux kernel tolerates C++ style comments these days. Actually, the
SPDX License tags for .c files start with //.
On the other hand, uapi headers are written in more strict C, where
the C++ comment style is forbidden.
Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---
include/uapi/linux/dvb/audio.h | 2 +-
include/uapi/linux/dvb/osd.h | 170 ++++++++++++++++++++-------------
2 files changed, 103 insertions(+), 69 deletions(-)
diff --git a/include/uapi/linux/dvb/audio.h b/include/uapi/linux/dvb/audio.h
index afeae063e640..977bed135e22 100644
--- a/include/uapi/linux/dvb/audio.h
+++ b/include/uapi/linux/dvb/audio.h
@@ -52,7 +52,7 @@ typedef enum {
typedef struct audio_mixer {
unsigned int volume_left;
unsigned int volume_right;
- // what else do we need? bass, pass-through, ...
+ /* what else do we need? bass, pass-through, ... */
} audio_mixer_t;
diff --git a/include/uapi/linux/dvb/osd.h b/include/uapi/linux/dvb/osd.h
index e163508b9ae8..723824ce3622 100644
--- a/include/uapi/linux/dvb/osd.h
+++ b/include/uapi/linux/dvb/osd.h
@@ -28,74 +28,108 @@
#include <linux/compiler.h>
typedef enum {
- // All functions return -2 on "not open"
- OSD_Close=1, // ()
- // Disables OSD and releases the buffers
- // returns 0 on success
- OSD_Open, // (x0,y0,x1,y1,BitPerPixel[2/4/8](color&0x0F),mix[0..15](color&0xF0))
- // Opens OSD with this size and bit depth
- // returns 0 on success, -1 on DRAM allocation error, -2 on "already open"
- OSD_Show, // ()
- // enables OSD mode
- // returns 0 on success
- OSD_Hide, // ()
- // disables OSD mode
- // returns 0 on success
- OSD_Clear, // ()
- // Sets all pixel to color 0
- // returns 0 on success
- OSD_Fill, // (color)
- // Sets all pixel to color <col>
- // returns 0 on success
- OSD_SetColor, // (color,R{x0},G{y0},B{x1},opacity{y1})
- // set palette entry <num> to <r,g,b>, <mix> and <trans> apply
- // R,G,B: 0..255
- // R=Red, G=Green, B=Blue
- // opacity=0: pixel opacity 0% (only video pixel shows)
- // opacity=1..254: pixel opacity as specified in header
- // opacity=255: pixel opacity 100% (only OSD pixel shows)
- // returns 0 on success, -1 on error
- OSD_SetPalette, // (firstcolor{color},lastcolor{x0},data)
- // Set a number of entries in the palette
- // sets the entries "firstcolor" through "lastcolor" from the array "data"
- // data has 4 byte for each color:
- // R,G,B, and a opacity value: 0->transparent, 1..254->mix, 255->pixel
- OSD_SetTrans, // (transparency{color})
- // Sets transparency of mixed pixel (0..15)
- // returns 0 on success
- OSD_SetPixel, // (x0,y0,color)
- // sets pixel <x>,<y> to color number <col>
- // returns 0 on success, -1 on error
- OSD_GetPixel, // (x0,y0)
- // returns color number of pixel <x>,<y>, or -1
- OSD_SetRow, // (x0,y0,x1,data)
- // fills pixels x0,y through x1,y with the content of data[]
- // returns 0 on success, -1 on clipping all pixel (no pixel drawn)
- OSD_SetBlock, // (x0,y0,x1,y1,increment{color},data)
- // fills pixels x0,y0 through x1,y1 with the content of data[]
- // inc contains the width of one line in the data block,
- // inc<=0 uses blockwidth as linewidth
- // returns 0 on success, -1 on clipping all pixel
- OSD_FillRow, // (x0,y0,x1,color)
- // fills pixels x0,y through x1,y with the color <col>
- // returns 0 on success, -1 on clipping all pixel
- OSD_FillBlock, // (x0,y0,x1,y1,color)
- // fills pixels x0,y0 through x1,y1 with the color <col>
- // returns 0 on success, -1 on clipping all pixel
- OSD_Line, // (x0,y0,x1,y1,color)
- // draw a line from x0,y0 to x1,y1 with the color <col>
- // returns 0 on success
- OSD_Query, // (x0,y0,x1,y1,xasp{color}}), yasp=11
- // fills parameters with the picture dimensions and the pixel aspect ratio
- // returns 0 on success
- OSD_Test, // ()
- // draws a test picture. for debugging purposes only
- // returns 0 on success
-// TODO: remove "test" in final version
- OSD_Text, // (x0,y0,size,color,text)
- OSD_SetWindow, // (x0) set window with number 0<x0<8 as current
- OSD_MoveWindow, // move current window to (x0, y0)
- OSD_OpenRaw, // Open other types of OSD windows
+ /* All functions return -2 on "not open" */
+ OSD_Close=1, /* () */
+ /*
+ * Disables OSD and releases the buffers
+ * returns 0 on success
+ */
+ OSD_Open, /* (x0,y0,x1,y1,BitPerPixel[2/4/8](color&0x0F),mix[0..15](color&0xF0)) */
+ /*
+ * Opens OSD with this size and bit depth
+ * returns 0 on success, -1 on DRAM allocation error, -2 on "already open"
+ */
+ OSD_Show, /* () */
+ /*
+ * enables OSD mode
+ * returns 0 on success
+ */
+ OSD_Hide, /* () */
+ /*
+ * disables OSD mode
+ * returns 0 on success
+ */
+ OSD_Clear, /* () */
+ /*
+ * Sets all pixel to color 0
+ * returns 0 on success
+ */
+ OSD_Fill, /* (color) */
+ /*
+ * Sets all pixel to color <col>
+ * returns 0 on success
+ */
+ OSD_SetColor, /* (color,R{x0},G{y0},B{x1},opacity{y1}) */
+ /*
+ * set palette entry <num> to <r,g,b>, <mix> and <trans> apply
+ * R,G,B: 0..255
+ * R=Red, G=Green, B=Blue
+ * opacity=0: pixel opacity 0% (only video pixel shows)
+ * opacity=1..254: pixel opacity as specified in header
+ * opacity=255: pixel opacity 100% (only OSD pixel shows)
+ * returns 0 on success, -1 on error
+ */
+ OSD_SetPalette, /* (firstcolor{color},lastcolor{x0},data) */
+ /*
+ * Set a number of entries in the palette
+ * sets the entries "firstcolor" through "lastcolor" from the array "data"
+ * data has 4 byte for each color:
+ * R,G,B, and a opacity value: 0->transparent, 1..254->mix, 255->pixel
+ */
+ OSD_SetTrans, /* (transparency{color}) */
+ /*
+ * Sets transparency of mixed pixel (0..15)
+ * returns 0 on success
+ */
+ OSD_SetPixel, /* (x0,y0,color) */
+ /*
+ * sets pixel <x>,<y> to color number <col>
+ * returns 0 on success, -1 on error
+ */
+ OSD_GetPixel, /* (x0,y0) */
+ /* returns color number of pixel <x>,<y>, or -1 */
+ OSD_SetRow, /* (x0,y0,x1,data) */
+ /*
+ * fills pixels x0,y through x1,y with the content of data[]
+ * returns 0 on success, -1 on clipping all pixel (no pixel drawn)
+ */
+ OSD_SetBlock, /* (x0,y0,x1,y1,increment{color},data) */
+ /*
+ * fills pixels x0,y0 through x1,y1 with the content of data[]
+ * inc contains the width of one line in the data block,
+ * inc<=0 uses blockwidth as linewidth
+ * returns 0 on success, -1 on clipping all pixel
+ */
+ OSD_FillRow, /* (x0,y0,x1,color) */
+ /*
+ * fills pixels x0,y through x1,y with the color <col>
+ * returns 0 on success, -1 on clipping all pixel
+ */
+ OSD_FillBlock, /* (x0,y0,x1,y1,color) */
+ /*
+ * fills pixels x0,y0 through x1,y1 with the color <col>
+ * returns 0 on success, -1 on clipping all pixel
+ */
+ OSD_Line, /* (x0,y0,x1,y1,color) */
+ /*
+ * draw a line from x0,y0 to x1,y1 with the color <col>
+ * returns 0 on success
+ */
+ OSD_Query, /* (x0,y0,x1,y1,xasp{color}}), yasp=11 */
+ /*
+ * fills parameters with the picture dimensions and the pixel aspect ratio
+ * returns 0 on success
+ */
+ OSD_Test, /* () */
+ /*
+ * draws a test picture. for debugging purposes only
+ * returns 0 on success
+ * TODO: remove "test" in final version
+ */
+ OSD_Text, /* (x0,y0,size,color,text) */
+ OSD_SetWindow, /* (x0) set window with number 0<x0<8 as current */
+ OSD_MoveWindow, /* move current window to (x0, y0) */
+ OSD_OpenRaw, /* Open other types of OSD windows */
} OSD_Command;
typedef struct osd_cmd_s {
--
2.17.1
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