Re: [Qemu-devel] [PATCH 1/4] wm8750: remove duplicate macro

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

Hi Mao,

On 11/10/2018 11:00, Mao Zhongyi wrote:
> The header file wm8750.h contains '#define TYPE_WM8750 "wm8750"'
> macro, but '#define CODEC "wm8750"' macro is redefined in wm8750.c,
> just remove the local CODEC macro and replace it with TYPE_WM8750.
> 
> Cc: Gerd Hoffmann <kraxel@redhat.com>
> 
> Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com>
> ---
>  hw/audio/wm8750.c | 18 ++++++++----------
>  1 file changed, 8 insertions(+), 10 deletions(-)
> 
> diff --git a/hw/audio/wm8750.c b/hw/audio/wm8750.c
> index f4aa838f62..4be3602079 100644
> --- a/hw/audio/wm8750.c
> +++ b/hw/audio/wm8750.c
> @@ -15,8 +15,6 @@
>  #define IN_PORT_N	3
>  #define OUT_PORT_N	3
>  
> -#define CODEC		"wm8750"
> -
>  typedef struct {
>      int adc;
>      int adc_hz;
> @@ -204,11 +202,11 @@ static void wm8750_set_format(WM8750State *s)
>      in_fmt.fmt = AUD_FMT_S16;
>  
>      s->adc_voice[0] = AUD_open_in(&s->card, s->adc_voice[0],
> -                    CODEC ".input1", s, wm8750_audio_in_cb, &in_fmt);
> +                    TYPE_WM8750 ".input1", s, wm8750_audio_in_cb, &in_fmt);

I don't think this is correct. The TYPE_name could change, but the CODEC
shouldn't change. Both definitions are different.

Regards,

Phil.

>      s->adc_voice[1] = AUD_open_in(&s->card, s->adc_voice[1],
> -                    CODEC ".input2", s, wm8750_audio_in_cb, &in_fmt);
> +                    TYPE_WM8750 ".input2", s, wm8750_audio_in_cb, &in_fmt);
>      s->adc_voice[2] = AUD_open_in(&s->card, s->adc_voice[2],
> -                    CODEC ".input3", s, wm8750_audio_in_cb, &in_fmt);
> +                    TYPE_WM8750 ".input3", s, wm8750_audio_in_cb, &in_fmt);
>  
>      /* Setup output */
>      out_fmt.endianness = 0;
> @@ -217,12 +215,12 @@ static void wm8750_set_format(WM8750State *s)
>      out_fmt.fmt = AUD_FMT_S16;
>  
>      s->dac_voice[0] = AUD_open_out(&s->card, s->dac_voice[0],
> -                    CODEC ".speaker", s, wm8750_audio_out_cb, &out_fmt);
> +                    TYPE_WM8750 ".speaker", s, wm8750_audio_out_cb, &out_fmt);
>      s->dac_voice[1] = AUD_open_out(&s->card, s->dac_voice[1],
> -                    CODEC ".headphone", s, wm8750_audio_out_cb, &out_fmt);
> +                    TYPE_WM8750 ".headphone", s, wm8750_audio_out_cb, &out_fmt);
>      /* MONOMIX is also in stereo for simplicity */
>      s->dac_voice[2] = AUD_open_out(&s->card, s->dac_voice[2],
> -                    CODEC ".monomix", s, wm8750_audio_out_cb, &out_fmt);
> +                    TYPE_WM8750 ".monomix", s, wm8750_audio_out_cb, &out_fmt);
>      /* no sense emulating OUT3 which is a mix of other outputs */
>  
>      wm8750_vol_update(s);
> @@ -584,7 +582,7 @@ static int wm8750_post_load(void *opaque, int version_id)
>  }
>  
>  static const VMStateDescription vmstate_wm8750 = {
> -    .name = CODEC,
> +    .name = TYPE_WM8750,
>      .version_id = 0,
>      .minimum_version_id = 0,
>      .pre_save = wm8750_pre_save,
> @@ -621,7 +619,7 @@ static void wm8750_realize(DeviceState *dev, Error **errp)
>  {
>      WM8750State *s = WM8750(dev);
>  
> -    AUD_register_card(CODEC, &s->card);
> +    AUD_register_card(TYPE_WM8750, &s->card);
>      wm8750_reset(I2C_SLAVE(s));
>  }
>  
>