diff options
Diffstat (limited to 'drivers/media/video/mt9m001.c')
| -rw-r--r-- | drivers/media/video/mt9m001.c | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/drivers/media/video/mt9m001.c b/drivers/media/video/mt9m001.c index 4da9cca939c1..7618b3c2fce0 100644 --- a/drivers/media/video/mt9m001.c +++ b/drivers/media/video/mt9m001.c @@ -13,9 +13,10 @@ #include <linux/i2c.h> #include <linux/log2.h> +#include <media/soc_camera.h> +#include <media/soc_mediabus.h> #include <media/v4l2-subdev.h> #include <media/v4l2-chip-ident.h> -#include <media/soc_camera.h> /* * mt9m001 i2c address 0x5d @@ -710,6 +711,41 @@ static int mt9m001_enum_fmt(struct v4l2_subdev *sd, unsigned int index, return 0; } +static int mt9m001_g_mbus_config(struct v4l2_subdev *sd, + struct v4l2_mbus_config *cfg) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_device *icd = client->dev.platform_data; + struct soc_camera_link *icl = to_soc_camera_link(icd); + + /* MT9M001 has all capture_format parameters fixed */ + cfg->flags = V4L2_MBUS_PCLK_SAMPLE_FALLING | + V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_VSYNC_ACTIVE_HIGH | + V4L2_MBUS_DATA_ACTIVE_HIGH | V4L2_MBUS_MASTER; + cfg->type = V4L2_MBUS_PARALLEL; + cfg->flags = soc_camera_apply_board_flags(icl, cfg); + + return 0; +} + +static int mt9m001_s_mbus_config(struct v4l2_subdev *sd, + const struct v4l2_mbus_config *cfg) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_device *icd = client->dev.platform_data; + struct soc_camera_link *icl = to_soc_camera_link(icd); + unsigned int bps = soc_mbus_get_fmtdesc(icd->current_fmt->code)->bits_per_sample; + + if (icl->set_bus_param) + return icl->set_bus_param(icl, 1 << (bps - 1)); + + /* + * Without board specific bus width settings we only support the + * sensors native bus width + */ + return bps == 10 ? 0 : -EINVAL; +} + static struct v4l2_subdev_video_ops mt9m001_subdev_video_ops = { .s_stream = mt9m001_s_stream, .s_mbus_fmt = mt9m001_s_fmt, @@ -719,6 +755,8 @@ static struct v4l2_subdev_video_ops mt9m001_subdev_video_ops = { .g_crop = mt9m001_g_crop, .cropcap = mt9m001_cropcap, .enum_mbus_fmt = mt9m001_enum_fmt, + .g_mbus_config = mt9m001_g_mbus_config, + .s_mbus_config = mt9m001_s_mbus_config, }; static struct v4l2_subdev_sensor_ops mt9m001_subdev_sensor_ops = { |