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yaml
---
r: 17338
b: refs/heads/master
c: fbc46e7
h: refs/heads/master
v: v3
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Hans Verkuil authored and Mauro Carvalho Chehab committed Jan 9, 2006
1 parent 3f1d6f5 commit 0901b2c
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Showing 2 changed files with 38 additions and 23 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 936053516aef6505ab3174c3443f3ba8749d4d98
refs/heads/master: fbc46e74fa437f16a3ffe4a5561a97f41680a124
59 changes: 37 additions & 22 deletions trunk/drivers/media/video/wm8775.c
Original file line number Diff line number Diff line change
Expand Up @@ -87,38 +87,53 @@ static int wm8775_command(struct i2c_client *client, unsigned int cmd,
void *arg)
{
struct wm8775_state *state = i2c_get_clientdata(client);
int *input = arg;
struct v4l2_audio *input = arg;
struct v4l2_control *ctrl = arg;

switch (cmd) {
case AUDC_SET_INPUT:
case VIDIOC_S_AUDIO:
/* There are 4 inputs and one output. Zero or more inputs
are multiplexed together to the output. Hence there are
16 combinations.
If only one input is active (the normal case) then the
input values 1, 2, 4 or 8 should be used. */
if (input->index > 15) {
wm8775_err("Invalid input %d.\n", input->index);
return -EINVAL;
}
state->input = input->index;
if (state->muted)
break;
wm8775_write(client, R21, 0x0c0);
wm8775_write(client, R14, 0x1d4);
wm8775_write(client, R15, 0x1d4);
wm8775_write(client, R21, 0x100 + state->input);
break;

if (*input == AUDIO_RADIO) {
wm8775_write(client, R21, 0x108);
state->input = 8;
state->muted = 0;
break;
}
if (*input == AUDIO_MUTE) {
state->muted = 1;
break;
}
if (*input == AUDIO_UNMUTE) {
case VIDIOC_G_AUDIO:
memset(input, 0, sizeof(*input));
input->index = state->input;
break;

case VIDIOC_G_CTRL:
if (ctrl->id != V4L2_CID_AUDIO_MUTE)
return -EINVAL;
ctrl->value = state->muted;
break;

case VIDIOC_S_CTRL:
if (ctrl->id != V4L2_CID_AUDIO_MUTE)
return -EINVAL;
state->muted = ctrl->value;
wm8775_write(client, R21, 0x0c0);
wm8775_write(client, R14, 0x1d4);
wm8775_write(client, R15, 0x1d4);
if (!state->muted)
wm8775_write(client, R21, 0x100 + state->input);
state->muted = 0;
break;
}
/* All other inputs... */
wm8775_write(client, R21, 0x102);
state->input = 2;
state->muted = 0;
break;

case VIDIOC_LOG_STATUS:
wm8775_info("Input: %s%s\n",
state->input == 8 ? "radio" : "default",
wm8775_info("Input: %d%s\n", state->input,
state->muted ? " (muted)" : "");
break;

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