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[media] smiapp: Set valid link frequency range 

Set supported link frequencies in the menu in control initialisation and
when the bpp changes.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Sakari Ailus 2014-09-26 10:19:43 -03:00 committed by Mauro Carvalho Chehab
parent e91cbeb299
commit 602cbcaa8e
1 changed files with 17 additions and 2 deletions
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19
drivers/media/i2c/smiapp/smiapp-core.c
View File

@ -523,6 +523,8 @@ static const struct v4l2_ctrl_ops smiapp_ctrl_ops = {
static int smiapp_init_controls(struct smiapp_sensor *sensor)
{
struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
unsigned long *valid_link_freqs = &sensor->valid_link_freqs[
sensor->csi_format->compressed - SMIAPP_COMPRESSED_BASE];
unsigned int max, i;
int rval;
@ -605,8 +607,8 @@ static int smiapp_init_controls(struct smiapp_sensor *sensor)
sensor->link_freq = v4l2_ctrl_new_int_menu(
&sensor->src->ctrl_handler, &smiapp_ctrl_ops,
V4L2_CID_LINK_FREQ, max, 0,
sensor->platform_data->op_sys_clock);
V4L2_CID_LINK_FREQ, __fls(*valid_link_freqs),
__ffs(*valid_link_freqs), sensor->platform_data->op_sys_clock);
sensor->pixel_rate_csi = v4l2_ctrl_new_std(
&sensor->src->ctrl_handler, &smiapp_ctrl_ops,
@ -1735,6 +1737,7 @@ static int smiapp_set_format_source(struct v4l2_subdev *subdev,
struct smiapp_sensor *sensor = to_smiapp_sensor(subdev);
const struct smiapp_csi_data_format *csi_format,
*old_csi_format = sensor->csi_format;
unsigned long *valid_link_freqs;
u32 code = fmt->format.code;
unsigned int i;
int rval;
@ -1765,6 +1768,18 @@ static int smiapp_set_format_source(struct v4l2_subdev *subdev,
sensor->test_data[i], 0,
(1 << csi_format->width) - 1, 1, 0);
if (csi_format->compressed == old_csi_format->compressed)
return 0;
valid_link_freqs =
&sensor->valid_link_freqs[sensor->csi_format->compressed
- SMIAPP_COMPRESSED_BASE];
__v4l2_ctrl_modify_range(
sensor->link_freq, 0,
__fls(*valid_link_freqs), ~*valid_link_freqs,
__ffs(*valid_link_freqs));
return 0;
}