On Wed 20 March 2013 20:24:41 Frank Schäfer wrote:
> Function audio_mux() actually deals with two types of mute: gpio mute and
> subdevice muting.
> This patch claryfies the meaning of these values, but mainly prepares the
> code for
> the next patch.
>
> Signed-off-by: Frank Schäfer <fschaefer....@googlemail.com>
Acked-by: Hans Verkuil <hans.verk...@cisco.com>
Regards,
Hans
> ---
> drivers/media/pci/bt8xx/bttv-driver.c | 8 ++++----
> 1 Datei geändert, 4 Zeilen hinzugefügt(+), 4 Zeilen entfernt(-)
>
> diff --git a/drivers/media/pci/bt8xx/bttv-driver.c
> b/drivers/media/pci/bt8xx/bttv-driver.c
> index 8610b6a..a584d82 100644
> --- a/drivers/media/pci/bt8xx/bttv-driver.c
> +++ b/drivers/media/pci/bt8xx/bttv-driver.c
> @@ -992,7 +992,7 @@ static char *audio_modes[] = {
> static int
> audio_mux(struct bttv *btv, int input, int mute)
> {
> - int gpio_val, signal;
> + int gpio_val, signal, mute_gpio;
> struct v4l2_ctrl *ctrl;
>
> gpio_inout(bttv_tvcards[btv->c.type].gpiomask,
> @@ -1003,10 +1003,10 @@ audio_mux(struct bttv *btv, int input, int mute)
> btv->audio = input;
>
> /* automute */
> - mute = mute || (btv->opt_automute && (!signal || !btv->users)
> + mute_gpio = mute || (btv->opt_automute && (!signal || !btv->users)
> && !btv->has_radio_tuner);
>
> - if (mute)
> + if (mute_gpio)
> gpio_val = bttv_tvcards[btv->c.type].gpiomute;
> else
> gpio_val = bttv_tvcards[btv->c.type].gpiomux[input];
> @@ -1022,7 +1022,7 @@ audio_mux(struct bttv *btv, int input, int mute)
> }
>
> if (bttv_gpio)
> - bttv_gpio_tracking(btv, audio_modes[mute ? 4 : input]);
> + bttv_gpio_tracking(btv, audio_modes[mute_gpio ? 4 : input]);
> if (in_interrupt())
> return 0;
>
>
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