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[media] au8522: be sure that we'll setup audio routing at the right time

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Let's set the the audio routing also at stream start. With this change,
we don't risk enabling the analog demux while not streaming, reducing
the risk of interfering with a DVB demux that might be happening.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Mauro Carvalho Chehab 2014-06-08 13:54:53 -03:00
parent 38fe3510fa
commit d289cdf022
1 changed files with 12 additions and 4 deletions
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16
drivers/media/dvb-frontends/au8522_decoder.c
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@ -429,8 +429,9 @@ static void disable_audio_input(struct au8522_state *state)
}
/* 0=disable, 1=SIF */
static void set_audio_input(struct au8522_state *state, int aud_input)
static void set_audio_input(struct au8522_state *state)
{
int aud_input = state->aud_input;
int i;
/* Note that this function needs to be used in conjunction with setting
@ -580,8 +581,6 @@ static int au8522_s_stream(struct v4l2_subdev *sd, int enable)
struct au8522_state *state = to_state(sd);
if (enable) {
state->operational_mode = AU8522_ANALOG_MODE;
/*
* Clear out any state associated with the digital side of the
* chip, so that when it gets powered back up it won't think
@ -596,6 +595,10 @@ static int au8522_s_stream(struct v4l2_subdev *sd, int enable)
AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_CVBS);
au8522_video_set(state);
set_audio_input(state);
state->operational_mode = AU8522_ANALOG_MODE;
} else {
/* This does not completely power down the device
(it only reduces it from around 140ma to 80ma) */
@ -632,7 +635,12 @@ static int au8522_s_audio_routing(struct v4l2_subdev *sd,
u32 input, u32 output, u32 config)
{
struct au8522_state *state = to_state(sd);
set_audio_input(state, input);
state->aud_input = input;
if (state->operational_mode == AU8522_ANALOG_MODE)
set_audio_input(state);
return 0;
}