This patch will get the DT parameters of vsync/hsync polarity, and pass to the platform data. Also add a debug information for test purpose. Signed-off-by: Josh Wu <josh.wu@xxxxxxxxx> --- drivers/media/platform/soc_camera/atmel-isi.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/media/platform/soc_camera/atmel-isi.c b/drivers/media/platform/soc_camera/atmel-isi.c index fe9247a..a7de55c 100644 --- a/drivers/media/platform/soc_camera/atmel-isi.c +++ b/drivers/media/platform/soc_camera/atmel-isi.c @@ -811,6 +811,11 @@ static int isi_camera_set_bus_param(struct soc_camera_device *icd) if (common_flags & V4L2_MBUS_PCLK_SAMPLE_FALLING) cfg1 |= ISI_CFG1_PIXCLK_POL_ACTIVE_FALLING; + dev_dbg(icd->parent, "vsync is active %s, hsyc is active %s, pix clock is sampling %s\n", + common_flags & V4L2_MBUS_VSYNC_ACTIVE_LOW ? "low" : "high", + common_flags & V4L2_MBUS_HSYNC_ACTIVE_LOW ? "low" : "high", + common_flags & V4L2_MBUS_PCLK_SAMPLE_FALLING ? "fall" : "rise"); + if (isi->pdata.has_emb_sync) cfg1 |= ISI_CFG1_EMB_SYNC; if (isi->pdata.full_mode) @@ -898,6 +903,11 @@ static int atmel_isi_probe_dt(struct atmel_isi *isi, goto err_probe_dt; } + if (ep.bus.parallel.flags & V4L2_MBUS_HSYNC_ACTIVE_LOW) + isi->pdata.hsync_act_low = true; + if (ep.bus.parallel.flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) + isi->pdata.vsync_act_low = true; + err_probe_dt: of_node_put(np); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html