[media] gspca-stk1135: Add delay after configuring clock

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 Zary <linux@rainbow-software.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/usb/gspca/stk1135.c b/drivers/media/usb/gspca/stk1135.c
index 1fc80af2a18907e57d54eac3f58481ada0f3cda7..48234c9a8b6c3e4b4b927eb654ddb0009aa3d8ba 100644 (file)
--- 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);
 }
 
 static void stk1135_camera_disable(struct gspca_dev *gspca_dev)