[media] sh-vou: add support for log_status

Dump the VOU registers in log_status.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

diff --git a/drivers/media/platform/sh_vou.c b/drivers/media/platform/sh_vou.c
index da8ea6a76327bf5c71cdca829d3ceb3f9832759a..e2b2afa0a73daa12cd581cd633fc1dd02508720f 100644 (file)
--- a/drivers/media/platform/sh_vou.c
+++ b/drivers/media/platform/sh_vou.c
@@ -875,6 +875,33 @@ static int sh_vou_g_std(struct file *file, void *priv, v4l2_std_id *std)
        return 0;
 }
 
+static int sh_vou_log_status(struct file *file, void *priv)
+{
+       struct sh_vou_device *vou_dev = video_drvdata(file);
+
+       pr_info("VOUER:   0x%08x\n", sh_vou_reg_a_read(vou_dev, VOUER));
+       pr_info("VOUCR:   0x%08x\n", sh_vou_reg_a_read(vou_dev, VOUCR));
+       pr_info("VOUSTR:  0x%08x\n", sh_vou_reg_a_read(vou_dev, VOUSTR));
+       pr_info("VOUVCR:  0x%08x\n", sh_vou_reg_a_read(vou_dev, VOUVCR));
+       pr_info("VOUISR:  0x%08x\n", sh_vou_reg_a_read(vou_dev, VOUISR));
+       pr_info("VOUBCR:  0x%08x\n", sh_vou_reg_a_read(vou_dev, VOUBCR));
+       pr_info("VOUDPR:  0x%08x\n", sh_vou_reg_a_read(vou_dev, VOUDPR));
+       pr_info("VOUDSR:  0x%08x\n", sh_vou_reg_a_read(vou_dev, VOUDSR));
+       pr_info("VOUVPR:  0x%08x\n", sh_vou_reg_a_read(vou_dev, VOUVPR));
+       pr_info("VOUIR:   0x%08x\n", sh_vou_reg_a_read(vou_dev, VOUIR));
+       pr_info("VOUSRR:  0x%08x\n", sh_vou_reg_a_read(vou_dev, VOUSRR));
+       pr_info("VOUMSR:  0x%08x\n", sh_vou_reg_a_read(vou_dev, VOUMSR));
+       pr_info("VOUHIR:  0x%08x\n", sh_vou_reg_a_read(vou_dev, VOUHIR));
+       pr_info("VOUDFR:  0x%08x\n", sh_vou_reg_a_read(vou_dev, VOUDFR));
+       pr_info("VOUAD1R: 0x%08x\n", sh_vou_reg_a_read(vou_dev, VOUAD1R));
+       pr_info("VOUAD2R: 0x%08x\n", sh_vou_reg_a_read(vou_dev, VOUAD2R));
+       pr_info("VOUAIR:  0x%08x\n", sh_vou_reg_a_read(vou_dev, VOUAIR));
+       pr_info("VOUSWR:  0x%08x\n", sh_vou_reg_a_read(vou_dev, VOUSWR));
+       pr_info("VOURCR:  0x%08x\n", sh_vou_reg_a_read(vou_dev, VOURCR));
+       pr_info("VOURPR:  0x%08x\n", sh_vou_reg_a_read(vou_dev, VOURPR));
+       return 0;
+}
+
 static int sh_vou_g_selection(struct file *file, void *fh,
                              struct v4l2_selection *sel)
 {
@@ -1168,6 +1195,7 @@ static const struct v4l2_ioctl_ops sh_vou_ioctl_ops = {
        .vidioc_g_std                   = sh_vou_g_std,
        .vidioc_g_selection             = sh_vou_g_selection,
        .vidioc_s_selection             = sh_vou_s_selection,
+       .vidioc_log_status              = sh_vou_log_status,
 };
 
 static const struct v4l2_file_operations sh_vou_fops = {