media: amlogic: c3-mipi-csi2: Call v4l2_get_link_freq() on source pad

Call v4l2_get_link_freq() on the source pad so we can remove the
workaround that allows calling it on a control handler.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Keke Li <keke.li@amlogic.com>
Tested-by: Keke Li <keke.li@amlogic.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>

diff --git a/drivers/media/platform/amlogic/c3/mipi-csi2/c3-mipi-csi2.c b/drivers/media/platform/amlogic/c3/mipi-csi2/c3-mipi-csi2.c
index 1011ab3ebac7bd04374fe0538693f76b6c23850c..b9e4ef3fc308b1ea1b97901515572d22c2a840d7 100644 (file)
--- a/drivers/media/platform/amlogic/c3/mipi-csi2/c3-mipi-csi2.c
+++ b/drivers/media/platform/amlogic/c3/mipi-csi2/c3-mipi-csi2.c
@@ -388,13 +388,12 @@ static void c3_mipi_csi_cfg_host(struct c3_csi_device *csi)
        c3_mipi_csi_write(csi, CSI2_HOST_N_LANES, csi->bus.num_data_lanes - 1);
 }
 
-static int c3_mipi_csi_start_stream(struct c3_csi_device *csi,
-                                   struct v4l2_subdev *src_sd)
+static int c3_mipi_csi_start_stream(struct c3_csi_device *csi)
 {
        s64 link_freq;
        s64 lane_rate;
 
-       link_freq = v4l2_get_link_freq(src_sd->ctrl_handler, 0, 0);
+       link_freq = v4l2_get_link_freq(csi->src_pad, 0, 0);
        if (link_freq < 0) {
                dev_err(csi->dev,
                        "Unable to obtain link frequency: %lld\n", link_freq);
@@ -434,7 +433,7 @@ static int c3_mipi_csi_enable_streams(struct v4l2_subdev *sd,
 
        pm_runtime_resume_and_get(csi->dev);
 
-       c3_mipi_csi_start_stream(csi, src_sd);
+       c3_mipi_csi_start_stream(csi);
 
        ret = v4l2_subdev_enable_streams(src_sd, csi->src_pad->index, BIT(0));
        if (ret) {