Re: [Qemu-devel] [PATCH v4 05/11] hw/ac97: add support for volume control

[malc <av1474@comtv.ru>]

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On Tue, 13 Mar 2012, Marc-Andr? Lureau wrote:

> On Tue, Mar 13, 2012 at 4:37 PM, malc <av1474@comtv.ru> wrote:
> > On Tue, 13 Mar 2012, Marc-Andr? Lureau wrote:
> >
> >> Combine output volume with Master and PCM registers values.
> >> Use default values in mixer_reset ().
> >> Set volume on post-load to update backend values.
> >>
> >> v4:
> >> - fix some code style
> >
> > Don't think it fixes anything...
> >
> >>
> >> Signed-off-by: Marc-Andr? Lureau <marcandre.lureau@redhat.com>
> >> ---
> >>  hw/ac97.c |   80 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >>  1 files changed, 80 insertions(+), 0 deletions(-)
> >>
> >> diff --git a/hw/ac97.c b/hw/ac97.c
> >> index f7866ed..f5ae637 100644
> >> --- a/hw/ac97.c
> >> +++ b/hw/ac97.c
> >> @@ -436,6 +436,64 @@ static void reset_voices (AC97LinkState *s, uint8_t active[LAST_INDEX])
> >>      AUD_set_active_in (s->voice_mc, active[MC_INDEX]);
> >>  }
> >>
> >> +static void get_volume (uint16_t vol, uint16_t mask, int inverse,
> >> +                        int *mute, uint8_t *lvol, uint8_t *rvol)
> >> +{
> >> +  *mute = (vol >> MUTE_SHIFT) & 1;
> >> +  *rvol = (255 * (vol & mask)) / mask;
> >> +  *lvol = (255 * ((vol >> 8) & mask)) / mask;
> >> +  if (inverse) {
> >> +    *rvol = 255 - *rvol;
> >> +    *lvol = 255 - *lvol;
> >
> > Here.
> >
> > [..snip..]
> 
> checkpatch doesn't complain here, I only get 30 warnings:
> 
> WARNING: space prohibited between function name and open parenthesis '('
> 
> which seems to be the code style in audio/
> 

That's right. But the whole get_volume function is indented with 2
instead of 4 spaces.

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