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[media] media: davinci: vpif: add check for NULL handler 

for da850/omap-l138, there is no need to setup_input_channel_mode()
and set_clock(), to avoid adding dummy code in board file just returning
zero add a check in the driver itself to call the handler only if its
not NULL.

Signed-off-by: Lad, Prabhakar <prabhakar.lad@ti.com>
Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Lad, Prabhakar 2012-09-27 02:33:12 -03:00 committed by Mauro Carvalho Chehab
parent 99b32b2488
commit f4ad8d74e1
2 changed files with 14 additions and 12 deletions
drivers/media/platform/davinci
vpif_capture.cvpif_display.c

13
drivers/media/platform/davinci/vpif_capture.c
View File

@ -311,12 +311,13 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count)
}
/* configure 1 or 2 channel mode */
ret = vpif_config_data->setup_input_channel_mode
(vpif->std_info.ycmux_mode);
if (ret < 0) {
vpif_dbg(1, debug, "can't set vpif channel mode\n");
return ret;
if (vpif_config_data->setup_input_channel_mode) {
ret = vpif_config_data->
setup_input_channel_mode(vpif->std_info.ycmux_mode);
if (ret < 0) {
vpif_dbg(1, debug, "can't set vpif channel mode\n");
return ret;
}
}
/* Call vpif_set_params function to set the parameters and addresses */

13
drivers/media/platform/davinci/vpif_display.c
View File

@ -280,12 +280,13 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count)
}
/* clock settings */
ret =
vpif_config_data->set_clock(ch->vpifparams.std_info.ycmux_mode,
ch->vpifparams.std_info.hd_sd);
if (ret < 0) {
vpif_err("can't set clock\n");
return ret;
if (vpif_config_data->set_clock) {
ret = vpif_config_data->set_clock(ch->vpifparams.std_info.
ycmux_mode, ch->vpifparams.std_info.hd_sd);
if (ret < 0) {
vpif_err("can't set clock\n");
return ret;
}
}
/* set the parameters and addresses */