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| author | Gregory Lardiere <spmf2004-m560x@yahoo.fr> | 2009-02-22 21:54:11 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-06 00:33:37 +0100 |
| commit | d2c452306ab402d7a3572bc3bf8e575796529bf8 (patch) | |
| tree | ed7ff109f5fe45b1570483570ecc71aa478e10a9 /drivers | |
| parent | Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/po... (diff) | |
| download | linux-d2c452306ab402d7a3572bc3bf8e575796529bf8.tar.xz linux-d2c452306ab402d7a3572bc3bf8e575796529bf8.zip | |
V4L/DVB (10789): m5602-s5k4aa: Split up the initial sensor probe in chunks.
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/gspca/m5602/m5602_s5k4aa.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/video/gspca/m5602/m5602_s5k4aa.c b/drivers/media/video/gspca/m5602/m5602_s5k4aa.c index e564a61a72d7..48892b5715d5 100644 --- a/drivers/media/video/gspca/m5602/m5602_s5k4aa.c +++ b/drivers/media/video/gspca/m5602/m5602_s5k4aa.c @@ -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))) |