[media] gspca_pac7302: Convert multi-line comments to standard kernel style

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 79 insertions, 63 deletions

diff --git a/drivers/media/video/gspca/pac7302.c b/drivers/media/video/gspca/pac7302.c
index 4f7be66fce45..1e88d3a574d9 100644
--- a/drivers/media/video/gspca/pac7302.c
+++ b/drivers/media/video/gspca/pac7302.c
@@ -23,43 +23,44 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
-/* Some documentation about various registers as determined by trial and error.
-
-   Register page 1:
-
-   Address      Description
-   0x78         Global control, bit 6 controls the LED (inverted)
-
-   Register page 3:
-
-   Address      Description
-   0x02         Clock divider 3-63, fps = 90 / val. Must be a multiple of 3 on
-                the 7302, so one of 3, 6, 9, ..., except when between 6 and 12?
-   0x03         Variable framerate ctrl reg2==3: 0 -> ~30 fps, 255 -> ~22fps
-   0x04         Another var framerate ctrl reg2==3, reg3==0: 0 -> ~30 fps,
-                63 -> ~27 fps, the 2 msb's must always be 1 !!
-   0x05         Another var framerate ctrl reg2==3, reg3==0, reg4==0xc0:
-                1 -> ~30 fps, 2 -> ~20 fps
-   0x0e         Exposure bits 0-7, 0-448, 0 = use full frame time
-   0x0f         Exposure bit 8, 0-448, 448 = no exposure at all
-   0x10         Master gain 0-31
-   0x21         Bitfield: 0-1 unused, 2-3 vflip/hflip, 4-5 unknown, 6-7 unused
-
-   The registers are accessed in the following functions:
-
-   Page | Register   | Function
-   -----+------------+---------------------------------------------------
-    0   | 0x0f..0x20 | setcolors()
-    0   | 0xa2..0xab | setbrightcont()
-    0   | 0xc5       | setredbalance()
-    0   | 0xc6       | setwhitebalance()
-    0   | 0xc7       | setbluebalance()
-    0   | 0xdc       | setbrightcont(), setcolors()
-    3   | 0x02       | setexposure()
-    3   | 0x10       | setgain()
-    3   | 0x11       | setcolors(), setgain(), setexposure(), sethvflip()
-    3   | 0x21       | sethvflip()
-*/
+/*
+ * Some documentation about various registers as determined by trial and error.
+ *
+ * Register page 1:
+ *
+ * Address      Description
+ * 0x78         Global control, bit 6 controls the LED (inverted)
+ *
+ * Register page 3:
+ *
+ * Address      Description
+ * 0x02         Clock divider 3-63, fps = 90 / val. Must be a multiple of 3 on
+ *              the 7302, so one of 3, 6, 9, ..., except when between 6 and 12?
+ * 0x03         Variable framerate ctrl reg2==3: 0 -> ~30 fps, 255 -> ~22fps
+ * 0x04         Another var framerate ctrl reg2==3, reg3==0: 0 -> ~30 fps,
+ *              63 -> ~27 fps, the 2 msb's must always be 1 !!
+ * 0x05         Another var framerate ctrl reg2==3, reg3==0, reg4==0xc0:
+ *              1 -> ~30 fps, 2 -> ~20 fps
+ * 0x0e         Exposure bits 0-7, 0-448, 0 = use full frame time
+ * 0x0f         Exposure bit 8, 0-448, 448 = no exposure at all
+ * 0x10         Master gain 0-31
+ * 0x21         Bitfield: 0-1 unused, 2-3 vflip/hflip, 4-5 unknown, 6-7 unused
+ *
+ * The registers are accessed in the following functions:
+ *
+ * Page | Register   | Function
+ * -----+------------+---------------------------------------------------
+ *  0   | 0x0f..0x20 | setcolors()
+ *  0   | 0xa2..0xab | setbrightcont()
+ *  0   | 0xc5       | setredbalance()
+ *  0   | 0xc6       | setwhitebalance()
+ *  0   | 0xc7       | setbluebalance()
+ *  0   | 0xdc       | setbrightcont(), setcolors()
+ *  3   | 0x02       | setexposure()
+ *  3   | 0x10       | setgain()
+ *  3   | 0x11       | setcolors(), setgain(), setexposure(), sethvflip()
+ *  3   | 0x21       | sethvflip()
+ */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
@@ -600,28 +601,36 @@ static void setexposure(struct gspca_dev *gspca_dev)
         u8 clockdiv;
         u16 exposure;
 
-        /* register 2 of frame 3 contains the clock divider configuring the
-           no fps according to the formula: 90 / reg. sd->exposure is the
-           desired exposure time in 0.5 ms. */
+        /*
+         * Register 2 of frame 3 contains the clock divider configuring the
+         * no fps according to the formula: 90 / reg. sd->exposure is the
+         * desired exposure time in 0.5 ms.
+         */
         clockdiv = (90 * sd->ctrls[EXPOSURE].val + 1999) / 2000;
 
-        /* Note clockdiv = 3 also works, but when running at 30 fps, depending
-           on the scene being recorded, the camera switches to another
-           quantization table for certain JPEG blocks, and we don't know how
-           to decompress these blocks. So we cap the framerate at 15 fps */
+        /*
+         * Note clockdiv = 3 also works, but when running at 30 fps, depending
+         * on the scene being recorded, the camera switches to another
+         * quantization table for certain JPEG blocks, and we don't know how
+         * to decompress these blocks. So we cap the framerate at 15 fps.
+         */
         if (clockdiv < 6)
                 clockdiv = 6;
         else if (clockdiv > 63)
                 clockdiv = 63;
 
-        /* reg2 MUST be a multiple of 3, except when between 6 and 12?
-           Always round up, otherwise we cannot get the desired frametime
-           using the partial frame time exposure control */
+        /*
+         * Register 2 MUST be a multiple of 3, except when between 6 and 12?
+         * Always round up, otherwise we cannot get the desired frametime
+         * using the partial frame time exposure control.
+         */
         if (clockdiv < 6 || clockdiv > 12)
                 clockdiv = ((clockdiv + 2) / 3) * 3;
 
-        /* frame exposure time in ms = 1000 * clockdiv / 90    ->
-        exposure = (sd->exposure / 2) * 448 / (1000 * clockdiv / 90) */
+        /*
+         * frame exposure time in ms = 1000 * clockdiv / 90    ->
+         * exposure = (sd->exposure / 2) * 448 / (1000 * clockdiv / 90)
+         */
         exposure = (sd->ctrls[EXPOSURE].val * 45 * 448) / (1000 * clockdiv);
         /* 0 = use full frametime, 448 = no exposure, reverse it */
         exposure = 448 - exposure;
@@ -639,10 +648,12 @@ static void setautogain(struct gspca_dev *gspca_dev)
 {
         struct sd *sd = (struct sd *) gspca_dev;
 
-        /* when switching to autogain set defaults to make sure
-           we are on a valid point of the autogain gain /
-           exposure knee graph, and give this change time to
-           take effect before doing autogain. */
+        /*
+         * When switching to autogain set defaults to make sure
+         * we are on a valid point of the autogain gain /
+         * exposure knee graph, and give this change time to
+         * take effect before doing autogain.
+         */
         if (sd->ctrls[AUTOGAIN].val) {
                 sd->ctrls[EXPOSURE].val = EXPOSURE_DEF;
                 sd->ctrls[GAIN].val = GAIN_DEF;
@@ -784,10 +795,12 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
         if (sof) {
                 int n, lum_offset, footer_length;
 
-                /* 6 bytes after the FF D9 EOF marker a number of lumination
-                   bytes are send corresponding to different parts of the
-                   image, the 14th and 15th byte after the EOF seem to
-                   correspond to the center of the image */
+                /*
+                 * 6 bytes after the FF D9 EOF marker a number of lumination
+                 * bytes are send corresponding to different parts of the
+                 * image, the 14th and 15th byte after the EOF seem to
+                 * correspond to the center of the image.
+                 */
                 lum_offset = 61 + sizeof pac_sof_marker;
                 footer_length = 74;
 
@@ -831,9 +844,10 @@ static int sd_dbg_s_register(struct gspca_dev *gspca_dev,
         u8 index;
         u8 value;
 
-        /* reg->reg: bit0..15: reserved for register index (wIndex is 16bit
-                               long on the USB bus)
-        */
+        /*
+         * reg->reg: bit0..15: reserved for register index (wIndex is 16bit
+         *                     long on the USB bus)
+         */
         if (reg->match.type == V4L2_CHIP_MATCH_HOST &&
             reg->match.addr == 0 &&
             (reg->reg < 0x000000ff) &&
@@ -844,9 +858,11 @@ static int sd_dbg_s_register(struct gspca_dev *gspca_dev,
                 index = reg->reg;
                 value = reg->val;
 
-                /* Note that there shall be no access to other page
-                   by any other function between the page swith and
-                   the actual register write */
+                /*
+                 * Note that there shall be no access to other page
+                 * by any other function between the page switch and
+                 * the actual register write.
+                 */
                 reg_w(gspca_dev, 0xff, 0x00);           /* page 0 */
                 reg_w(gspca_dev, index, value);