[media] gspca - ov534/ov534_9: Fix sccd_read/write errors

The ov534 bridge is too slow to handle the sensor accesses
requested by fast hosts giving 'sccb_reg_write failed'.
A small delay fixes the problem.

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/gspca/ov534.c b/drivers/media/video/gspca/ov534.c
index c16bd1b7914afe7bb88a327c8ffad2f25df344f7..80c81dd6d68b3ce4d6a40566449b89a110ce05a4 100644 (file)
--- a/drivers/media/video/gspca/ov534.c
+++ b/drivers/media/video/gspca/ov534.c
@@ -851,6 +851,7 @@ static int sccb_check_status(struct gspca_dev *gspca_dev)
        int i;
 
        for (i = 0; i < 5; i++) {
+               msleep(10);
                data = ov534_reg_read(gspca_dev, OV534_REG_STATUS);
 
                switch (data) {

diff --git a/drivers/media/video/gspca/ov534_9.c b/drivers/media/video/gspca/ov534_9.c
index e6601b8860322fe6d1c0eb31b75d58bb23cf6cc0..0120f947e076dc5b1678d1509e9930a1f2ebfb16 100644 (file)
--- a/drivers/media/video/gspca/ov534_9.c
+++ b/drivers/media/video/gspca/ov534_9.c
@@ -1008,6 +1008,7 @@ static int sccb_check_status(struct gspca_dev *gspca_dev)
        int i;
 
        for (i = 0; i < 5; i++) {
+               msleep(10);
                data = reg_r(gspca_dev, OV534_REG_STATUS);
 
                switch (data) {