Hi Ondrej,
On 11/11/2013 11:31 PM, Ondrej Zary wrote:
Add a small delay at the end of configure_clock() to allow sensor to initialize.
This is needed by Asus VX2S laptop webcam to detect sensor type properly (the
already-supported MT9M112).
Signed-off-by: Ondrej Zaryli...@rainbow-software.org
---
drivers/media/usb/gspca/stk1135.c |3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/media/usb/gspca/stk1135.c
b/drivers/media/usb/gspca/stk1135.c
index 8add2f7..d8a813c 100644
--- a/drivers/media/usb/gspca/stk1135.c
+++ b/drivers/media/usb/gspca/stk1135.c
@@ -361,6 +361,9 @@ static void stk1135_configure_clock(struct gspca_dev
*gspca_dev)
/* set serial interface clock divider (30MHz/0x1f*16+2) = 60240 kHz) */
reg_w(gspca_dev, STK1135_REG_SICTL + 2, 0x1f);
+
+ /* wait a while for sensor to catch up */
+ udelay(1000);
Instead of this 1 ms busy loop waiting it might be more optimal to use
usleep_range(),
e.g. usleep_range(1000, 1100);
}
static void stk1135_camera_disable(struct gspca_dev *gspca_dev)
--
Regards,
Sylwester
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