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.oss@xxxxxxxxxxxxxx>
Acked-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
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;
--
1.7.10.4
--
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