Re: [Qemu-devel] [PATCH 2/3] Pass raw DB values from hda-codec.c to audio driver

[Yaroslav Isakov <yaroslav.isakov@gmail.com>]

Sorry, lost cover letter and first patch, resending them

пт, 21 дек. 2018 г. в 21:57, Yaroslav Isakov <yaroslav.isakov@gmail.com>:
>
> Signed-off-by: Yaroslav Isakov <yaroslav.isakov@gmail.com>
> ---
>  hw/audio/hda-codec.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/hw/audio/hda-codec.c b/hw/audio/hda-codec.c
> index 09f9da344b..d160e86d2a 100644
> --- a/hw/audio/hda-codec.c
> +++ b/hw/audio/hda-codec.c
> @@ -437,6 +437,7 @@ static void hda_audio_set_amp(HDAAudioStream *st)
>  {
>      bool muted;
>      uint32_t left, right;
> +    double left_db, right_db;
>
>      if (st->node == NULL) {
>          return;
> @@ -446,6 +447,9 @@ static void hda_audio_set_amp(HDAAudioStream *st)
>      left  = st->mute_left  ? 0 : st->gain_left;
>      right = st->mute_right ? 0 : st->gain_right;
>
> +    left_db = ((int64_t)left - QEMU_HDA_AMP_STEPS) * QEMU_HDA_AMP_DB_OF_STEP;
> +    right_db = ((int64_t)right - QEMU_HDA_AMP_STEPS) * QEMU_HDA_AMP_DB_OF_STEP;
> +
>      left = left * 255 / QEMU_HDA_AMP_STEPS;
>      right = right * 255 / QEMU_HDA_AMP_STEPS;
>
> @@ -454,10 +458,10 @@ static void hda_audio_set_amp(HDAAudioStream *st)
>      }
>      if (st->output) {
>          AUD_set_volume_out(st->voice.out, muted, left, right,
> -                           false, 0, 0);
> +                           true, left_db, right_db);
>      } else {
>          AUD_set_volume_in(st->voice.in, muted, left, right,
> -                          false, 0, 0);
> +                          true, left_db, right_db);
>      }
>  }
>
> --
> 2.18.1
>