[PATCH v2 2/2] ASoC: cs42l51: Correct PGA Volume minimum value

Guillermo Rodriguez Garcia guille.rodriguez at gmail.com
Sat Nov 26 12:15:10 CET 2022


El vie, 25 nov 2022 a las 17:37, Charles Keepax
(<ckeepax at opensource.cirrus.com>) escribió:
>
> The table in the datasheet actually shows the volume values in the wrong
> order, with the two -3dB values being reversed. This appears to have
> caused the lower of the two values to be used in the driver when the
> higher should have been, correct this mixup.
>
> Signed-off-by: Charles Keepax <ckeepax at opensource.cirrus.com>
> ---
>
> No changes since v1.
>
>  sound/soc/codecs/cs42l51.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c
> index 51721edd8f53c..e88d9ff95cdfc 100644
> --- a/sound/soc/codecs/cs42l51.c
> +++ b/sound/soc/codecs/cs42l51.c
> @@ -143,7 +143,7 @@ static const struct snd_kcontrol_new cs42l51_snd_controls[] = {
>                         0, 0xA0, 96, adc_att_tlv),
>         SOC_DOUBLE_R_SX_TLV("PGA Volume",
>                         CS42L51_ALC_PGA_CTL, CS42L51_ALC_PGB_CTL,
> -                       0, 0x19, 30, pga_tlv),
> +                       0, 0x1A, 30, pga_tlv),

The original patch where this control was added [1] already used 0x1A,
however this was later changed to 0x19 in [2]. Your patch now reverts
that change. Does this mean [2] was incorrect? If that is the case,
shouldn't the commit message for this patch mention that it fixes [2]
?

 [1]: https://lore.kernel.org/all/20200918134317.22574-1-guille.rodriguez@gmail.com/
 [2]: https://lore.kernel.org/all/20220602162119.3393857-7-ckeepax@opensource.cirrus.com/

Best regards,

Guillermo Rodriguez Garcia
guille.rodriguez at gmail.com


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