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

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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>
This commit is contained in:
Marton Nemeth 2009-10-04 13:53:22 -03:00 committed by Mauro Carvalho Chehab
parent ff75e99c62
commit 5a2e8d9fc1
1 changed files with 11 additions and 7 deletions
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18
drivers/media/video/gspca/pac7311.c
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@ -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: