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V4L/DVB (13657): tw9910: Add revision control to tw9910_set_hsync

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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>
This commit is contained in:
Kuninori Morimoto 2009-12-11 11:34:51 -03:00 committed by Mauro Carvalho Chehab
parent 2079708381
commit faa582610d
1 changed files with 8 additions and 5 deletions
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13
drivers/media/video/tw9910.c
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@ -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;
}