Commit d2c45230 authored Feb 22, 2009 by Gregory Lardiere Committed by Mauro Carvalho Chehab Mar 05, 2009

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>

parent 559595a9

drivers/media/video/gspca/m5602/m5602_s5k4aa.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -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)))