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

[Hans de Goede]

Hi,

Thanks I've added this and the sonixj fixes to my tree and send an
updated pullreq to Mauro to include these in the next round of
fixes for 3.5

Regards,

Hans


On 05/28/2012 07:04 PM, Jean-Francois Moine wrote:

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<moin...@free.fr>
---
  drivers/media/video/gspca/ov534.c   |    1 +
  drivers/media/video/gspca/ov534_9.c |    1 +
  2 files changed, 2 insertions(+)

diff --git a/drivers/media/video/gspca/ov534.c 
b/drivers/media/video/gspca/ov534.c
index b5acb1e..d5a7873 100644
--- 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 e6601b8..0120f94 100644
--- 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) {

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