diff options
Diffstat (limited to 'drivers/media/i2c')
| -rw-r--r-- | drivers/media/i2c/max9286.c | 52 |
1 files changed, 24 insertions, 28 deletions
diff --git a/drivers/media/i2c/max9286.c b/drivers/media/i2c/max9286.c index e247512dfec4..9fc4e130a273 100644 --- a/drivers/media/i2c/max9286.c +++ b/drivers/media/i2c/max9286.c @@ -197,8 +197,6 @@ struct max9286_priv { struct v4l2_ctrl *pixelrate_ctrl; unsigned int pixelrate; - struct v4l2_fract interval; - unsigned int nsources; unsigned int source_mask; unsigned int route_mask; @@ -571,11 +569,14 @@ static void max9286_set_video_format(struct max9286_priv *priv, MAX9286_INVVS | MAX9286_HVSRC_D14); } -static void max9286_set_fsync_period(struct max9286_priv *priv) +static void max9286_set_fsync_period(struct max9286_priv *priv, + struct v4l2_subdev_state *state) { + const struct v4l2_fract *interval; u32 fsync; - if (!priv->interval.numerator || !priv->interval.denominator) { + interval = v4l2_subdev_state_get_interval(state, MAX9286_SRC_PAD); + if (!interval->numerator || !interval->denominator) { /* * Special case, a null interval enables automatic FRAMESYNC * mode. FRAMESYNC is taken from the slowest link. @@ -591,8 +592,8 @@ static void max9286_set_fsync_period(struct max9286_priv *priv) * The FRAMESYNC generator is configured with a period expressed as a * number of PCLK periods. */ - fsync = div_u64((u64)priv->pixelrate * priv->interval.numerator, - priv->interval.denominator); + fsync = div_u64((u64)priv->pixelrate * interval->numerator, + interval->denominator); dev_dbg(&priv->client->dev, "fsync period %u (pclk %u)\n", fsync, priv->pixelrate); @@ -801,7 +802,7 @@ static int max9286_s_stream(struct v4l2_subdev *sd, int enable) format = v4l2_subdev_state_get_format(state, MAX9286_SRC_PAD); max9286_set_video_format(priv, format); - max9286_set_fsync_period(priv); + max9286_set_fsync_period(priv, state); /* * The frame sync between cameras is transmitted across the @@ -874,19 +875,11 @@ static int max9286_get_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_interval *interval) { - struct max9286_priv *priv = sd_to_max9286(sd); - - /* - * FIXME: Implement support for V4L2_SUBDEV_FORMAT_TRY, using the V4L2 - * subdev active state API. - */ - if (interval->which != V4L2_SUBDEV_FORMAT_ACTIVE) - return -EINVAL; - if (interval->pad != MAX9286_SRC_PAD) return -EINVAL; - interval->interval = priv->interval; + interval->interval = *v4l2_subdev_state_get_interval(sd_state, + interval->pad); return 0; } @@ -895,19 +888,11 @@ static int max9286_set_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_interval *interval) { - struct max9286_priv *priv = sd_to_max9286(sd); - - /* - * FIXME: Implement support for V4L2_SUBDEV_FORMAT_TRY, using the V4L2 - * subdev active state API. - */ - if (interval->which != V4L2_SUBDEV_FORMAT_ACTIVE) - return -EINVAL; - if (interval->pad != MAX9286_SRC_PAD) return -EINVAL; - priv->interval = interval->interval; + *v4l2_subdev_state_get_interval(sd_state, + interval->pad) = interval->interval; return 0; } @@ -994,9 +979,21 @@ static const struct v4l2_mbus_framefmt max9286_default_format = { static int max9286_init_state(struct v4l2_subdev *sd, struct v4l2_subdev_state *state) { + struct v4l2_fract *interval; + for (unsigned int i = 0; i < MAX9286_N_PADS; i++) *v4l2_subdev_state_get_format(state, i) = max9286_default_format; + /* + * Special case: a null interval enables automatic FRAMESYNC mode. + * + * FRAMESYNC is taken from the slowest link. See register 0x01 + * configuration. + */ + interval = v4l2_subdev_state_get_interval(state, MAX9286_SRC_PAD); + interval->numerator = 0; + interval->denominator = 0; + return 0; } @@ -1143,7 +1140,6 @@ static int max9286_setup(struct max9286_priv *priv) max9286_write(priv, 0x69, (0xf & ~priv->route_mask)); max9286_set_video_format(priv, &max9286_default_format); - max9286_set_fsync_period(priv); cfg = max9286_read(priv, 0x1c); if (cfg < 0) |