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[media] media: davinci: vpbe: return -ENODATA for *dv_timings/*_std calls

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this patch adds support for returning -ENODATA if the current
output doesn't support it.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Prabhakar Lad 2014-10-12 17:40:45 -03:00 committed by Mauro Carvalho Chehab
parent a8afe3817d
commit f9cc70bfa4
1 changed files with 15 additions and 3 deletions
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18
drivers/media/platform/davinci/vpbe.c
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@ -341,7 +341,7 @@ static int vpbe_s_dv_timings(struct vpbe_device *vpbe_dev,
if (!(cfg->outputs[out_index].output.capabilities &
V4L2_OUT_CAP_DV_TIMINGS))
return -EINVAL;
return -ENODATA;
for (i = 0; i < output->num_modes; i++) {
if (output->modes[i].timings_type == VPBE_ENC_DV_TIMINGS &&
@ -384,6 +384,13 @@ static int vpbe_s_dv_timings(struct vpbe_device *vpbe_dev,
static int vpbe_g_dv_timings(struct vpbe_device *vpbe_dev,
struct v4l2_dv_timings *dv_timings)
{
struct vpbe_config *cfg = vpbe_dev->cfg;
int out_index = vpbe_dev->current_out_index;
if (!(cfg->outputs[out_index].output.capabilities &
V4L2_OUT_CAP_DV_TIMINGS))
return -ENODATA;
if (vpbe_dev->current_timings.timings_type &
VPBE_ENC_DV_TIMINGS) {
*dv_timings = vpbe_dev->current_timings.dv_timings;
@ -409,7 +416,7 @@ static int vpbe_enum_dv_timings(struct vpbe_device *vpbe_dev,
int i;
if (!(output->output.capabilities & V4L2_OUT_CAP_DV_TIMINGS))
return -EINVAL;
return -ENODATA;
for (i = 0; i < output->num_modes; i++) {
if (output->modes[i].timings_type == VPBE_ENC_DV_TIMINGS) {
@ -440,7 +447,7 @@ static int vpbe_s_std(struct vpbe_device *vpbe_dev, v4l2_std_id std_id)
if (!(cfg->outputs[out_index].output.capabilities &
V4L2_OUT_CAP_STD))
return -EINVAL;
return -ENODATA;
ret = vpbe_get_std_info(vpbe_dev, std_id);
if (ret)
@ -473,6 +480,11 @@ static int vpbe_s_std(struct vpbe_device *vpbe_dev, v4l2_std_id std_id)
static int vpbe_g_std(struct vpbe_device *vpbe_dev, v4l2_std_id *std_id)
{
struct vpbe_enc_mode_info *cur_timings = &vpbe_dev->current_timings;
struct vpbe_config *cfg = vpbe_dev->cfg;
int out_index = vpbe_dev->current_out_index;
if (!(cfg->outputs[out_index].output.capabilities & V4L2_OUT_CAP_STD))
return -ENODATA;
if (cur_timings->timings_type & VPBE_ENC_STD) {
*std_id = cur_timings->std_id;