From 602cbcaa8ebe0444ab99f4e6f3b0ef6497d94033 Mon Sep 17 00:00:00 2001 From: Sakari Ailus Date: Fri, 26 Sep 2014 10:19:43 -0300 Subject: [PATCH] [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 Acked-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/i2c/smiapp/smiapp-core.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c index 416b7bd1142c..f1a9f82dd44a 100644 --- a/drivers/media/i2c/smiapp/smiapp-core.c +++ b/drivers/media/i2c/smiapp/smiapp-core.c @@ -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; }