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authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>2011-07-26 11:46:02 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-11-03 18:27:14 -0200
commit32ca2085925b483251d94ecb3e12bb6dfc5c8133 (patch)
tree371a3dc85e62203de851814749256ddcb19a2b28 /drivers/media/video/mt9m001.c
parent32c69fcc785a2f8122c73d44ad160d9cfc4c9615 (diff)
[media] V4L: mt9m001: support the new mbus-config subdev ops
Extend the driver to also support [gs]_mbus_config() subdevice video operations. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/mt9m001.c')
-rw-r--r--drivers/media/video/mt9m001.c40
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 = {

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