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author | Hans Verkuil <hans.verkuil@cisco.com> | 2013-03-08 14:22:03 (GMT) |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-24 15:02:59 (GMT) |
commit | a0fc58868bbf34d0935947cdf1bc8c0ea32c68c4 (patch) | |
tree | fd7f5780ea9400cf4f859b846ea9b6a2c81d034b /drivers/media/i2c/saa7115.c | |
parent | 9ca5470cc1433200698a43de2d6e683815e536e6 (diff) | |
download | linux-a0fc58868bbf34d0935947cdf1bc8c0ea32c68c4.tar.xz |
[media] saa7115: add config flag to change the IDQ polarity
Needed by the go7007 driver: it assumes a different polarity of the IDQ
signal, so we need to be able to tell the saa7115 about this.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/i2c/saa7115.c')
-rw-r--r-- | drivers/media/i2c/saa7115.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/i2c/saa7115.c b/drivers/media/i2c/saa7115.c index 5d9d033..c3e7e12 100644 --- a/drivers/media/i2c/saa7115.c +++ b/drivers/media/i2c/saa7115.c @@ -1259,6 +1259,12 @@ static int saa711x_s_routing(struct v4l2_subdev *sd, (saa711x_read(sd, R_83_X_PORT_I_O_ENA_AND_OUT_CLK) & 0xfe) | (state->output & 0x01)); } + if (state->ident > V4L2_IDENT_SAA7111A) { + if (config & SAA7115_IDQ_IS_DEFAULT) + saa711x_write(sd, R_85_I_PORT_SIGNAL_POLAR, 0x20); + else + saa711x_write(sd, R_85_I_PORT_SIGNAL_POLAR, 0x21); + } return 0; } |