Re: [PATCH v2] staging: media: zoran: remove and add '*' in long(multi-line) comments

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On Fri, Apr 09, 2021 at 12:53:35PM +0200, Hans Verkuil wrote:
> On 09/04/2021 12:49, Mitali Borkar wrote:
> > Added '*' before every line inside long(multi-line) comments. Removed
> > '*/' from end of the comment line and added to next line as per linux
> > kernel coding style. Aligned '*' accordingly to make code neater.
> > 
> > Signed-off-by: Mitali Borkar <mitaliborkar810@xxxxxxxxx>
> > ---
> > 
> > Changes from v1:- Changes made in code according to linux kernel coding
> > style for long(multi-line) comments.
> > 
> > drivers/staging/media/zoran/zr36050.c | 138 +++++++++++++++-----------
> >  1 file changed, 81 insertions(+), 57 deletions(-)
> > 
> > diff --git a/drivers/staging/media/zoran/zr36050.c b/drivers/staging/media/zoran/zr36050.c
> > index 663ac2b3434e..703064009c6b 100644
> > --- a/drivers/staging/media/zoran/zr36050.c
> > +++ b/drivers/staging/media/zoran/zr36050.c
> > @@ -25,7 +25,8 @@
> >  #include "videocodec.h"
> >  
> >  /* it doesn't make sense to have more than 20 or so,
> 
> The coding style says that /* is on a line of its own. So change that too.
>

Sir, I have sent v3 patch for this two days ago and didnt received reply
til now, should I resend that patch?

> Regards,
> 
> 	Hans
> 
> > - * just to prevent some unwanted loops */
> > + * just to prevent some unwanted loops
> > + */
> >  #define MAX_CODECS 20
> >  
> >  /* amount of chips attached via this driver */
> > @@ -44,9 +45,10 @@ MODULE_PARM_DESC(debug, "Debug level (0-4)");
> >  
> >  /* =========================================================================
> >   *  Local hardware I/O functions:
> > -
> > -   read/write via codec layer (registers are located in the master device)
> > -   ========================================================================= */
> > + *
> > + *  read/write via codec layer (registers are located in the master device)
> > + * =========================================================================
> > + */
> >  
> >  /* read and write functions */
> >  static u8 zr36050_read(struct zr36050 *ptr, u16 reg)
> > @@ -81,9 +83,10 @@ static void zr36050_write(struct zr36050 *ptr, u16 reg, u8 value)
> >  
> >  /* =========================================================================
> >   *  Local helper function:
> > -
> > -   status read
> > -   ========================================================================= */
> > + *
> > + *  status read
> > + * =========================================================================
> > + */
> >  
> >  /* status is kept in datastructure */
> >  static u8 zr36050_read_status1(struct zr36050 *ptr)
> > @@ -96,9 +99,10 @@ static u8 zr36050_read_status1(struct zr36050 *ptr)
> >  
> >  /* =========================================================================
> >   *  Local helper function:
> > -
> > -   scale factor read
> > -   ========================================================================= */
> > + *
> > + *  scale factor read
> > + * =========================================================================
> > + */
> >  
> >  /* scale factor is kept in datastructure */
> >  static u16 zr36050_read_scalefactor(struct zr36050 *ptr)
> > @@ -113,9 +117,10 @@ static u16 zr36050_read_scalefactor(struct zr36050 *ptr)
> >  
> >  /* =========================================================================
> >   *  Local helper function:
> > -
> > -   wait if codec is ready to proceed (end of processing) or time is over
> > -   ========================================================================= */
> > + *
> > + *  wait if codec is ready to proceed (end of processing) or time is over
> > + * =========================================================================
> > + */
> >  
> >  static void zr36050_wait_end(struct zr36050 *ptr)
> >  {
> > @@ -134,9 +139,10 @@ static void zr36050_wait_end(struct zr36050 *ptr)
> >  
> >  /* =========================================================================
> >   *  Local helper function:
> > -
> > -   basic test of "connectivity", writes/reads to/from memory the SOF marker
> > -   ========================================================================= */
> > + *
> > + *  basic test of "connectivity", writes/reads to/from memory the SOF marker
> > + * =========================================================================
> > + */
> >  
> >  static int zr36050_basic_test(struct zr36050 *ptr)
> >  {
> > @@ -175,9 +181,10 @@ static int zr36050_basic_test(struct zr36050 *ptr)
> >  
> >  /* =========================================================================
> >   *  Local helper function:
> > -
> > -   simple loop for pushing the init datasets
> > -   ========================================================================= */
> > + *
> > + *  simple loop for pushing the init datasets
> > + * =========================================================================
> > + */
> >  
> >  static int zr36050_pushit(struct zr36050 *ptr, u16 startreg, u16 len, const char *data)
> >  {
> > @@ -193,14 +200,15 @@ static int zr36050_pushit(struct zr36050 *ptr, u16 startreg, u16 len, const char
> >  
> >  /* =========================================================================
> >   *  Basic datasets:
> > -
> > -   jpeg baseline setup data (you find it on lots places in internet, or just
> > -   extract it from any regular .jpg image...)
> > -
> > -   Could be variable, but until it's not needed it they are just fixed to save
> > -   memory. Otherwise expand zr36050 structure with arrays, push the values to
> > -   it and initialize from there, as e.g. the linux zr36057/60 driver does it.
> > -   ========================================================================= */
> > + *
> > + *  jpeg baseline setup data (you find it on lots places in internet, or just
> > + *  extract it from any regular .jpg image...)
> > + *
> > + *  Could be variable, but until it's not needed it they are just fixed to save
> > + *  memory. Otherwise expand zr36050 structure with arrays, push the values to
> > + *  it and initialize from there, as e.g. the linux zr36057/60 driver does it.
> > + *  =========================================================================
> > + */
> >  
> >  static const char zr36050_dqt[0x86] = {
> >  	0xff, 0xdb,		//Marker: DQT
> > @@ -295,15 +303,17 @@ static const char zr36050_decimation_v[8] = { 1, 1, 1, 0, 0, 0, 0, 0 };
> >  
> >  /* =========================================================================
> >   *  Local helper functions:
> > -
> > -   calculation and setup of parameter-dependent JPEG baseline segments
> > -   (needed for compression only)
> > -   ========================================================================= */
> > + *
> > + *  calculation and setup of parameter-dependent JPEG baseline segments
> > + *  (needed for compression only)
> > + * =========================================================================
> > + */
> >  
> >  /* ------------------------------------------------------------------------- */
> >  
> >  /* SOF (start of frame) segment depends on width, height and sampling ratio
> > - *			 of each color component */
> > + *			 of each color component
> > + */
> >  
> >  static int zr36050_set_sof(struct zr36050 *ptr)
> >  {
> > @@ -334,7 +344,8 @@ static int zr36050_set_sof(struct zr36050 *ptr)
> >  /* ------------------------------------------------------------------------- */
> >  
> >  /* SOS (start of scan) segment depends on the used scan components
> > - *			of each color component */
> > + *			of each color component
> > + */
> >  
> >  static int zr36050_set_sos(struct zr36050 *ptr)
> >  {
> > @@ -379,12 +390,14 @@ static int zr36050_set_dri(struct zr36050 *ptr)
> >  
> >  /* =========================================================================
> >   *  Setup function:
> > + *
> > + *  Setup compression/decompression of Zoran's JPEG processor
> > + *  ( see also zoran 36050 manual )
> > + *
> > + *  ... sorry for the spaghetti code ...
> > + * =========================================================================
> > + */
> >  
> > -   Setup compression/decompression of Zoran's JPEG processor
> > -   ( see also zoran 36050 manual )
> > -
> > -   ... sorry for the spaghetti code ...
> > -   ========================================================================= */
> >  static void zr36050_init(struct zr36050 *ptr)
> >  {
> >  	int sum = 0;
> > @@ -420,7 +433,8 @@ static void zr36050_init(struct zr36050 *ptr)
> >  		sum += zr36050_set_dri(ptr);
> >  
> >  		/* setup the fixed jpeg tables - maybe variable, though -
> > -		 * (see table init section above) */
> > +		 * (see table init section above)
> > +		 */
> >  		dprintk(3, "%s: write DQT, DHT, APP\n", ptr->name);
> >  		sum += zr36050_pushit(ptr, ZR050_DQT_IDX,
> >  				      sizeof(zr36050_dqt), zr36050_dqt);
> > @@ -532,12 +546,15 @@ static void zr36050_init(struct zr36050 *ptr)
> >  
> >  /* =========================================================================
> >   *  CODEC API FUNCTIONS
> > -
> > -   this functions are accessed by the master via the API structure
> > -   ========================================================================= */
> > + *
> > + *  this functions are accessed by the master via the API structure
> > + * =========================================================================
> > + */
> >  
> >  /* set compression/expansion mode and launches codec -
> > - *  this should be the last call from the master before starting processing */
> > + *  this should be the last call from the master before starting processing
> > + */
> > +
> >  static int zr36050_set_mode(struct videocodec *codec, int mode)
> >  {
> >  	struct zr36050 *ptr = (struct zr36050 *)codec->data;
> > @@ -566,7 +583,8 @@ static int zr36050_set_video(struct videocodec *codec, const struct tvnorm *norm
> >  		cap->decimation, cap->quality);
> >  	/* if () return -EINVAL;
> >  	 * trust the master driver that it knows what it does - so
> > -	 * we allow invalid startx/y and norm for now ... */
> > +	 * we allow invalid startx/y and norm for now ...
> > +	 */
> >  	ptr->width = cap->width / (cap->decimation & 0xff);
> >  	ptr->height = cap->height / ((cap->decimation >> 8) & 0xff);
> >  
> > @@ -586,7 +604,8 @@ static int zr36050_set_video(struct videocodec *codec, const struct tvnorm *norm
> >  	ptr->real_code_vol = size >> 3; /* in bytes */
> >  
> >  	/* Set max_block_vol here (previously in zr36050_init, moved
> > - * here for consistency with zr36060 code */
> > +	 * here for consistency with zr36060 code
> > +	 */
> >  	zr36050_write(ptr, ZR050_MBCV, ptr->max_block_vol);
> >  
> >  	return 0;
> > @@ -643,7 +662,8 @@ static int zr36050_control(struct videocodec *codec, int type, int size, void *d
> >  			return -EFAULT;
> >  		ptr->total_code_vol = *ival;
> >  		/* (Kieran Morrissey)
> > -		 * code copied from zr36060.c to ensure proper bitrate */
> > +		 * code copied from zr36060.c to ensure proper bitrate
> > +		 */
> >  		ptr->real_code_vol = (ptr->total_code_vol * 6) >> 3;
> >  		break;
> >  
> > @@ -708,9 +728,10 @@ static int zr36050_control(struct videocodec *codec, int type, int size, void *d
> >  
> >  /* =========================================================================
> >   *  Exit and unregister function:
> > -
> > -   Deinitializes Zoran's JPEG processor
> > -   ========================================================================= */
> > + *
> > + *  Deinitializes Zoran's JPEG processor
> > + * =========================================================================
> > + */
> >  
> >  static int zr36050_unset(struct videocodec *codec)
> >  {
> > @@ -733,12 +754,13 @@ static int zr36050_unset(struct videocodec *codec)
> >  
> >  /* =========================================================================
> >   *  Setup and registry function:
> > -
> > -   Initializes Zoran's JPEG processor
> > -
> > -   Also sets pixel size, average code size, mode (compr./decompr.)
> > -   (the given size is determined by the processor with the video interface)
> > -   ========================================================================= */
> > + *
> > + *  Initializes Zoran's JPEG processor
> > + *
> > + *  Also sets pixel size, average code size, mode (compr./decompr.)
> > + *  (the given size is determined by the processor with the video interface)
> > + * =========================================================================
> > + */
> >  
> >  static int zr36050_setup(struct videocodec *codec)
> >  {
> > @@ -774,7 +796,8 @@ static int zr36050_setup(struct videocodec *codec)
> >  	memcpy(ptr->v_samp_ratio, zr36050_decimation_v, 8);
> >  
> >  	ptr->bitrate_ctrl = 0;	/* 0 or 1 - fixed file size flag
> > -				 * (what is the difference?) */
> > +				 * (what is the difference?)
> > +				 */
> >  	ptr->mode = CODEC_DO_COMPRESSION;
> >  	ptr->width = 384;
> >  	ptr->height = 288;
> > @@ -814,7 +837,8 @@ static const struct videocodec zr36050_codec = {
> >  
> >  /* =========================================================================
> >   *  HOOK IN DRIVER AS KERNEL MODULE
> > -   ========================================================================= */
> > + * =========================================================================
> > + */
> >  
> >  static int __init zr36050_init_module(void)
> >  {
> > 
> 




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