diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/i2c/adv7511.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/i2c/adv7511.c b/drivers/media/i2c/adv7511.c index 7c8d971f1f61..89ea26667311 100644 --- a/drivers/media/i2c/adv7511.c +++ b/drivers/media/i2c/adv7511.c @@ -1038,6 +1038,12 @@ static void adv7511_init_setup(struct v4l2_subdev *sd) /* clear all interrupts */ adv7511_wr(sd, 0x96, 0xff); + /* + * Stop HPD from resetting a lot of registers. + * It might leave the chip in a partly un-initialized state, + * in particular with regards to hotplug bounces. + */ + adv7511_wr_and_or(sd, 0xd6, 0x3f, 0xc0); memset(edid, 0, sizeof(struct adv7511_state_edid)); state->have_monitor = false; adv7511_set_isr(sd, false); |