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media: i2c: tc35874x: use lane num form dts

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Change-Id: Ia65e1e25249113e18e4df6a688bbf5cea949b36d
Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com>
This commit is contained in:
Jacob Chen
2017-08-22 17:27:05 +08:00
committed by Huang, Tao
parent c044356791
commit f4b996231d
1 changed files with 2 additions and 18 deletions
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20
drivers/media/i2c/tc35874x.c
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@@ -663,29 +663,14 @@ static void tc35874x_set_csi_color_space(struct v4l2_subdev *sd)
}
}
static unsigned tc35874x_num_csi_lanes_needed(struct v4l2_subdev *sd)
{
struct tc35874x_state *state = to_state(sd);
struct v4l2_bt_timings *bt = &state->timings.bt;
struct tc35874x_platform_data *pdata = &state->pdata;
u32 bits_pr_pixel =
(state->mbus_fmt_code == MEDIA_BUS_FMT_UYVY8_1X16) ? 16 : 24;
u32 bps = bt->width * bt->height * fps(bt) * bits_pr_pixel;
u32 bps_pr_lane = (pdata->refclk_hz / pdata->pll_prd) * pdata->pll_fbd;
return DIV_ROUND_UP(bps, bps_pr_lane);
}
static void tc35874x_set_csi(struct v4l2_subdev *sd)
{
struct tc35874x_state *state = to_state(sd);
struct tc35874x_platform_data *pdata = &state->pdata;
unsigned lanes = tc35874x_num_csi_lanes_needed(sd);
unsigned lanes = state->csi_lanes_in_use;
v4l2_dbg(3, debug, sd, "%s:\n", __func__);
state->csi_lanes_in_use = lanes;
tc35874x_reset(sd, MASK_CTXRST);
if (lanes < 1)
@@ -1155,8 +1140,6 @@ static int tc35874x_log_status(struct v4l2_subdev *sd)
true);
v4l2_info(sd, "-----CSI-TX status-----\n");
v4l2_info(sd, "Lanes needed: %d\n",
tc35874x_num_csi_lanes_needed(sd));
v4l2_info(sd, "Lanes in use: %d\n",
state->csi_lanes_in_use);
v4l2_info(sd, "Waiting for particular sync signal: %s\n",
@@ -1771,6 +1754,7 @@ static int tc35874x_probe_of(struct tc35874x_state *state)
goto free_endpoint;
}
state->csi_lanes_in_use = endpoint->bus.mipi_csi2.num_data_lanes;
state->bus = endpoint->bus.mipi_csi2;
ret = clk_prepare_enable(refclk);