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Message-ID: <YHLh4vQvECHopNZX@kali>
Date: Sun, 11 Apr 2021 17:17:46 +0530
From: Mitali Borkar <mitaliborkar810@...il.com>
To: Hans Verkuil <hverkuil@...all.nl>
Cc: clabbe@...libre.com, mchehab@...nel.org,
gregkh@...uxfoundation.org, linux-media@...r.kernel.org,
linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
outreachy-kernel@...glegroups.com, mitali_s@...iitr.ac.in
Subject: Re: [PATCH v2] staging: media: zoran: remove and add '*' in
long(multi-line) comments
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@...il.com>
> > ---
> >
> > 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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