diff options
| author | Kuninori Morimoto <morimoto.kuninori@renesas.com> | 2009-12-11 14:34:51 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-12-16 11:27:26 (GMT) |
| commit | faa582610d87edf3ae1d07710a8f7e11c105686c (patch) | |
| tree | 8d35af81d65214944185ed14f6e9c12620f96435 /drivers/media/video/tw9910.c | |
| parent | 207970838186b2606896b03f590b89b13570a727 (diff) | |
| download | linux-faa582610d87edf3ae1d07710a8f7e11c105686c.tar.xz | |
V4L/DVB (13657): tw9910: Add revision control to tw9910_set_hsync
Bits 10-3 of hsync control are the same for Rev0 and Rev1, but only Rev1
also has bits 2-0 for hsync. Account for this difference and also fix a
register name.
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/tw9910.c')
| -rw-r--r-- | drivers/media/video/tw9910.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/media/video/tw9910.c b/drivers/media/video/tw9910.c index 2256ba6..8ec1031 100644 --- a/drivers/media/video/tw9910.c +++ b/drivers/media/video/tw9910.c @@ -117,7 +117,7 @@ #define LCTL24 0x68 #define LCTL25 0x69 #define LCTL26 0x6A -#define HSGEGIN 0x6B +#define HSBEGIN 0x6B #define HSEND 0x6C #define OVSDLY 0x6D #define OVSEND 0x6E @@ -443,10 +443,11 @@ static int tw9910_set_cropping(struct i2c_client *client, static int tw9910_set_hsync(struct i2c_client *client, const struct tw9910_hsync_ctrl *hsync) { + struct tw9910_priv *priv = to_tw9910(client); int ret; /* bit 10 - 3 */ - ret = i2c_smbus_write_byte_data(client, HSGEGIN, + ret = i2c_smbus_write_byte_data(client, HSBEGIN, (hsync->start & 0x07F8) >> 3); if (ret < 0) return ret; @@ -457,10 +458,12 @@ static int tw9910_set_hsync(struct i2c_client *client, if (ret < 0) return ret; + /* So far only revisions 0 and 1 have been seen */ /* bit 2 - 0 */ - ret = tw9910_mask_set(client, HSLOWCTL, 0x77, - (hsync->start & 0x0007) << 4 | - (hsync->end & 0x0007)); + if (1 == priv->revision) + ret = tw9910_mask_set(client, HSLOWCTL, 0x77, + (hsync->start & 0x0007) << 4 | + (hsync->end & 0x0007)); return ret; } |