From d2c452306ab402d7a3572bc3bf8e575796529bf8 Mon Sep 17 00:00:00 2001 From: Gregory Lardiere Date: Sun, 22 Feb 2009 17:54:11 -0300 Subject: [PATCH] V4L/DVB (10789): m5602-s5k4aa: Split up the initial sensor probe in chunks. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 --- drivers/media/video/gspca/m5602/m5602_s5k4aa.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) 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))) -- 2.20.1