From: Gregory Lardiere Date: Sun, 22 Feb 2009 20:54:11 +0000 (-0300) Subject: V4L/DVB (10789): m5602-s5k4aa: Split up the initial sensor probe in chunks. X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d2c452306ab402d7a3572bc3bf8e575796529bf8;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git 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 Signed-off-by: Erik Andrén Signed-off-by: Mauro Carvalho Chehab --- 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)))