V4L/DVB (13118): gspca - pac7311: remove magic values for END_OF_SEQUENCE and LOAD_PAGE.

Change the magic values 0, 254 and 255 to END_OF_SEQUENCE, LOAD_PAGE4 and
LOAD_PAGE3 respectively for better source code readability.

Signed-off-by: Marton Nemeth <nm127@freemail.hu>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 11 insertions, 7 deletions

diff --git a/drivers/media/video/gspca/pac7311.c b/drivers/media/video/gspca/pac7311.c
index f05bc800a7cb..418d1a36beb0 100644
--- a/drivers/media/video/gspca/pac7311.c
+++ b/drivers/media/video/gspca/pac7311.c
@@ -244,6 +244,10 @@ static const struct v4l2_pix_format vga_mode[] = {
                 .priv = 0},
 };
 
+#define LOAD_PAGE3              255
+#define LOAD_PAGE4              254
+#define END_OF_SEQUENCE         0
+
 /* pac 7302 */
 static const __u8 init_7302[] = {
 /*      index,value */
@@ -302,7 +306,7 @@ static const __u8 start_7302[] = {
         0xff, 1,        0x02,           /* page 2 */
         0x22, 1,        0x00,
         0xff, 1,        0x03,           /* page 3 */
-        0x00, 255,                      /* load the page 3 */
+        0, LOAD_PAGE3,                  /* load the page 3 */
         0x11, 1,        0x01,
         0xff, 1,        0x02,           /* page 2 */
         0x13, 1,        0x00,
@@ -313,7 +317,7 @@ static const __u8 start_7302[] = {
         0x6e, 1,        0x08,
         0xff, 1,        0x01,           /* page 1 */
         0x78, 1,        0x00,
-        0, 0                            /* end of sequence */
+        0, END_OF_SEQUENCE              /* end of sequence */
 };
 
 #define SKIP            0xaa
@@ -379,9 +383,9 @@ static const __u8 start_7311[] = {
         0xf0, 13,       0x01, 0x00, 0x00, 0x00, 0x22, 0x00, 0x20, 0x00,
                         0x3f, 0x00, 0x0a, 0x01, 0x00,
         0xff, 1,        0x04,           /* page 4 */
-        0x00, 254,                      /* load the page 4 */
+        0, LOAD_PAGE4,                  /* load the page 4 */
         0x11, 1,        0x01,
-        0, 0                            /* end of sequence */
+        0, END_OF_SEQUENCE              /* end of sequence */
 };
 
 /* page 4 - the value SKIP says skip the index - see reg_w_page() */
@@ -461,12 +465,12 @@ static void reg_w_var(struct gspca_dev *gspca_dev,
                 index = *seq++;
                 len = *seq++;
                 switch (len) {
-                case 0:
+                case END_OF_SEQUENCE:
                         return;
-                case 254:
+                case LOAD_PAGE4:
                         reg_w_page(gspca_dev, page4_7311, sizeof page4_7311);
                         break;
-                case 255:
+                case LOAD_PAGE3:
                         reg_w_page(gspca_dev, page3_7302, sizeof page3_7302);
                         break;
                 default: