diff options
| author | Mikhail Khelik <mkhelik@cisco.com> | 2013-12-20 09:12:00 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-01-07 08:52:27 +0100 |
| commit | f31b62e14a000f4e7bf37ad8a84b13cb2079de21 (patch) | |
| tree | 912992fbb8a45e7307e6fd851c9453627f64c9b2 /drivers/media/i2c/adv7604.c | |
| parent | [media] adv7604: add support for all the digital input ports (diff) | |
| download | linux-f31b62e14a000f4e7bf37ad8a84b13cb2079de21.tar.xz linux-f31b62e14a000f4e7bf37ad8a84b13cb2079de21.zip | |
[media] adv7604: add hdmi driver strength adjustment
The driver strength is board dependent, so set it from the platform_data.
Signed-off-by: Mikhail Khelik <mkhelik@cisco.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/i2c/adv7604.c')
| -rw-r--r-- | drivers/media/i2c/adv7604.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c index 6372d316e50a..00ce2716e319 100644 --- a/drivers/media/i2c/adv7604.c +++ b/drivers/media/i2c/adv7604.c @@ -1942,7 +1942,12 @@ static int adv7604_core_init(struct v4l2_subdev *sd) /* TODO from platform data */ cp_write(sd, 0x69, 0x30); /* Enable CP CSC */ io_write(sd, 0x06, 0xa6); /* positive VS and HS */ - io_write(sd, 0x14, 0x7f); /* Drive strength adjusted to max */ + + /* Adjust drive strength */ + io_write(sd, 0x14, 0x40 | pdata->dr_str_data << 4 | + pdata->dr_str_clk << 2 | + pdata->dr_str_sync); + cp_write(sd, 0xba, (pdata->hdmi_free_run_mode << 1) | 0x01); /* HDMI free run */ cp_write(sd, 0xf3, 0xdc); /* Low threshold to enter/exit free run mode */ cp_write(sd, 0xf9, 0x23); /* STDI ch. 1 - LCVS change threshold - |