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path: root/drivers/media/video/cx88/cx88-blackbird.c
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Diffstat (limited to 'drivers/media/video/cx88/cx88-blackbird.c')
-rw-r--r--drivers/media/video/cx88/cx88-blackbird.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c
index ca067ec250a..e162a70748c 100644
--- a/drivers/media/video/cx88/cx88-blackbird.c
+++ b/drivers/media/video/cx88/cx88-blackbird.c
@@ -1244,8 +1244,16 @@ static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
* We're being given access to re-arrange the GPIOs.
* Take the bus off the cx22702 and put the cx23416 on it.
*/
- cx_clear(MO_GP0_IO, 0x00000080); /* cx22702 in reset */
- cx_set(MO_GP0_IO, 0x00000004); /* Disable the cx22702 */
+ /* Toggle reset on cx22702 leaving i2c active */
+ cx_set(MO_GP0_IO, 0x00000080);
+ udelay(1000);
+ cx_clear(MO_GP0_IO, 0x00000080);
+ udelay(50);
+ cx_set(MO_GP0_IO, 0x00000080);
+ udelay(1000);
+ /* tri-state the cx22702 pins */
+ cx_set(MO_GP0_IO, 0x00000004);
+ udelay(1000);
break;
default:
err = -ENODEV;