[alsa-devel] [PATCH 4/6] ESI W192M : Add TLV support to control volume using dB scale

[Takashi Iwai]

At Sat, 14 Mar 2015 05:01:50 +0100,
Clément Guedez wrote:
> 
> Hi,
> 
> sorry there is an error on this patch, please ignore it.
> I will send the correct one.

Could you resend rather a full patchset after the whole corrections?


thanks,

Takashi

> 
> Thanks
> 
> 2015-03-14 3:31 GMT+01:00 <klem.dev at gmail.com>:
> 
> > From: Clément Guedez <klem.dev at gmail.com>
> >
> > Add TLV support to control volume using dB scale for input and ouput on
> > ESI W192M.
> >
> >
> > Signed-off-by: Clément Guedez <klem.dev at gmail.com>
> >
> > diff --git a/sound/pci/ice1712/wtm.c b/sound/pci/ice1712/wtm.c
> > index 59483b4..3af9daf 100644
> > --- a/sound/pci/ice1712/wtm.c
> > +++ b/sound/pci/ice1712/wtm.c
> > @@ -29,6 +29,7 @@
> >  #include <linux/interrupt.h>
> >  #include <linux/init.h>
> >  #include <sound/core.h>
> > +#include <sound/tlv.h>
> >
> >  #include "ice1712.h"
> >  #include "envy24ht.h"
> > @@ -380,17 +381,25 @@ static int stac9460_mic_sw_put(struct snd_kcontrol
> > *kcontrol,
> >         return change;
> >  }
> >
> > +
> > +/*Limits value in dB for fader*/
> > +static const DECLARE_TLV_DB_SCALE(db_scale_dac, -19125, 75, 0);
> > +static const DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0);
> > +
> >  /*
> >   * Control tabs
> >   */
> >  static struct snd_kcontrol_new stac9640_controls[] = {
> >         {
> >                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
> > +               .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
> > +                           SNDRV_CTL_ELEM_ACCESS_TLV_READ),
> >                 .name = "Master Playback Switch",
> >                 .info = stac9460_dac_mute_info,
> >                 .get = stac9460_dac_mute_get,
> >                 .put = stac9460_dac_mute_put,
> >                 .private_value = 1
> > +               .tlv = { .p = db_scale_dac }
> >         },
> >         {
> >                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
> > @@ -419,11 +428,15 @@ static struct snd_kcontrol_new stac9640_controls[] =
> > {
> >         },
> >         {
> >                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
> > +               .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
> > +                           SNDRV_CTL_ELEM_ACCESS_TLV_READ),
> > +
> >                 .name = "DAC Volume",
> >                 .count = 8,
> >                 .info = stac9460_dac_vol_info,
> >                 .get = stac9460_dac_vol_get,
> >                 .put = stac9460_dac_vol_put,
> > +               .tlv = { .p = db_scale_dac }
> >         },
> >         {
> >                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
> > @@ -435,12 +448,15 @@ static struct snd_kcontrol_new stac9640_controls[] =
> > {
> >         },
> >         {
> >                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
> > +               .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
> > +                           SNDRV_CTL_ELEM_ACCESS_TLV_READ),
> > +
> >                 .name = "ADC Volume",
> >                 .count = 2,
> >                 .info = stac9460_adc_vol_info,
> >                 .get = stac9460_adc_vol_get,
> >                 .put = stac9460_adc_vol_put,
> > -
> > +               .tlv = { .p = db_scale_adc }
> >         }
> >  };
> >
> > --
> > 2.1.4
> >
> >
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