diff options
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-ioctl.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ioctl.c | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 699e5f8e0a71..99dfd6362c5a 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -28,6 +28,8 @@ #include <media/v4l2-device.h> #include <media/videobuf2-v4l2.h> #include <media/v4l2-mc.h> +#include <media/v4l2-chip-ident.h> +#include <media/videobuf2-core.h> #include <trace/events/v4l2.h> @@ -653,6 +655,20 @@ static void v4l_print_decoder_cmd(const void *arg, bool write_only) pr_info("pts=%llu\n", p->stop.pts); } +static void v4l_print_dbg_chip_ident(const void *arg, bool write_only) +{ + const struct v4l2_dbg_chip_ident *p = arg; + + pr_cont("type=%u, ", p->match.type); + if (p->match.type == V4L2_CHIP_MATCH_I2C_DRIVER) + pr_cont("name=%.*s, ", + (int)sizeof(p->match.name), p->match.name); + else + pr_cont("addr=%u, ", p->match.addr); + pr_cont("chip_ident=%u, revision=0x%x\n", + p->ident, p->revision); +} + static void v4l_print_dbg_chip_info(const void *arg, bool write_only) { const struct v4l2_dbg_chip_info *p = arg; @@ -1288,9 +1304,12 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_PIX_FMT_SE401: descr = "GSPCA SE401"; break; case V4L2_PIX_FMT_S5C_UYVY_JPG: descr = "S5C73MX interleaved UYVY/JPEG"; break; default: - WARN(1, "Unknown pixelformat 0x%08x\n", fmt->pixelformat); - if (fmt->description[0]) + if (!fmt->description[0]) + WARN(1, "Unknown pixelformat 0x%08x\n", fmt->pixelformat); + else { + pr_debug("Custom device pixelformat 0x%08x '%s'\n", fmt->pixelformat, fmt->description); return; + } flags = 0; snprintf(fmt->description, sz, "%c%c%c%c%s", (char)(fmt->pixelformat & 0x7f), @@ -2327,6 +2346,18 @@ static int v4l_dbg_s_register(const struct v4l2_ioctl_ops *ops, #endif } +static int v4l_dbg_g_chip_ident(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_dbg_chip_ident *p = arg; + + p->ident = V4L2_IDENT_NONE; + p->revision = 0; + if (p->match.type == V4L2_CHIP_MATCH_SUBDEV) + return -EINVAL; + return ops->vidioc_g_chip_ident(file, fh, p); +} + static int v4l_dbg_g_chip_info(const struct v4l2_ioctl_ops *ops, struct file *file, void *fh, void *arg) { @@ -2581,6 +2612,7 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = { IOCTL_INFO_STD(VIDIOC_TRY_DECODER_CMD, vidioc_try_decoder_cmd, v4l_print_decoder_cmd, 0), IOCTL_INFO_FNC(VIDIOC_DBG_S_REGISTER, v4l_dbg_s_register, v4l_print_dbg_register, 0), IOCTL_INFO_FNC(VIDIOC_DBG_G_REGISTER, v4l_dbg_g_register, v4l_print_dbg_register, 0), + IOCTL_INFO_FNC(VIDIOC_DBG_G_CHIP_IDENT, v4l_dbg_g_chip_ident, v4l_print_dbg_chip_ident, 0), IOCTL_INFO_FNC(VIDIOC_S_HW_FREQ_SEEK, v4l_s_hw_freq_seek, v4l_print_hw_freq_seek, INFO_FL_PRIO), IOCTL_INFO_STD(VIDIOC_S_DV_TIMINGS, vidioc_s_dv_timings, v4l_print_dv_timings, INFO_FL_PRIO | INFO_FL_CLEAR(v4l2_dv_timings, bt.flags)), IOCTL_INFO_STD(VIDIOC_G_DV_TIMINGS, vidioc_g_dv_timings, v4l_print_dv_timings, 0), |