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Commit fbc46e74 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files

V4L/DVB (3247): Replace AUDC_SET_INPUT with VIDIOC_S_AUDIO in wm8775. 




- Replace AUDC_SET_INPUT with VIDIOC_S_AUDIO.
- Added V4L2_CID_AUDIO_MUTE.

Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@brturbo.com.br>
parent 93605351

drivers/media/video/wm8775.c

+37 −22
Original line number Diff line number Diff line
@@ -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;

	case VIDIOC_G_AUDIO:

		memset(input, 0, sizeof(*input));

		input->index = state->input;

		break;

		}

		if (*input == AUDIO_MUTE) {

			state->muted = 1;



	case VIDIOC_G_CTRL:

		if (ctrl->id != V4L2_CID_AUDIO_MUTE)

			return -EINVAL;

		ctrl->value = state->muted;

		break;

		}

		if (*input == AUDIO_UNMUTE) {



	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;