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V4L/DVB (10789): m5602-s5k4aa: Split up the initial sensor probe in chunks.

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The previous probe rotine tried to read 6 bytes in one chunk which currently isn't allowed. This is the rev. 10346 243399e67c41 readded with a high priority.

Signed-off-by: Gregory Lardiere <spmf2004-m560x@yahoo.fr>
Signed-off-by: Erik Andrén <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Gregory Lardiere 2009-02-22 17:54:11 -03:00 committed by Mauro Carvalho Chehab
parent 559595a985
commit d2c452306a
1 changed files with 5 additions and 1 deletions
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6
drivers/media/video/gspca/m5602/m5602_s5k4aa.c
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@ -102,7 +102,11 @@ int s5k4aa_probe(struct sd *sd)
}
/* Test some registers, but we don't know their exact meaning yet */
if (m5602_read_sensor(sd, 0x00, prod_id, sizeof(prod_id)))
if (m5602_read_sensor(sd, 0x00, prod_id, 2))
return -ENODEV;
if (m5602_read_sensor(sd, 0x02, prod_id+2, 2))
return -ENODEV;
if (m5602_read_sensor(sd, 0x04, prod_id+4, 2))
return -ENODEV;
if (memcmp(prod_id, expected_prod_id, sizeof(prod_id)))