Em 16-01-2012 13:32, Miroslav Slugeň escreveu:
>
> cx25840_s_tuner_radio_support.patch
Signed-off-by: is missing.
>
>
> Signed-off-by: Miroslav Slugen <thunder.mmm@xxxxxxxxx>
> From: Miroslav Slugen <thunder.mmm@xxxxxxxxx>
> Date: Mon, 12 Dec 2011 00:19:34 +0100
> Subject: [PATCH] cx25840_s_tuner should support also radio mode for setting
> stereo and mono.
>
> ---
> diff -Naurp a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c
> --- a/drivers/media/video/cx25840/cx25840-core.c 2012-01-12 20:42:45.000000000 +0100
> +++ b/drivers/media/video/cx25840/cx25840-core.c 2012-01-16 16:18:06.181583026 +0100
> @@ -1628,9 +1628,14 @@ static int cx25840_s_tuner(struct v4l2_s
> struct cx25840_state *state = to_state(sd);
> struct i2c_client *client = v4l2_get_subdevdata(sd);
>
> - if (state->radio || is_cx2583x(state))
> + if (is_cx2583x(state))
> return 0;
>
> + /* FM radio supports only mono and stereo modes */
> + if ((state->radio) &&
> + (vt->audmode != V4L2_TUNER_MODE_MONO) &&
> + (vt->audmode != V4L2_TUNER_MODE_STEREO)) return -EINVAL;
> +
Well, this is true for all radio devices: only mono/stereo modes are supported.
A check like that probably makes sense at the V4L2 core [1], as otherwise, the
same test would be needed on all radio drivers.
[1] drivers/media/video/v4l2-ioctl.c
Regards,
Mauro
> switch (vt->audmode) {
> case V4L2_TUNER_MODE_MONO:
> /* mono -> mono
> -- 1.7.2.3
>
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