diff options
| author | Oleksandr Suvorov <oleksandr.suvorov@toradex.com> | 2019-05-03 11:10:48 +0300 |
|---|---|---|
| committer | Oleksandr Suvorov <oleksandr.suvorov@toradex.com> | 2019-07-19 13:27:32 +0300 |
| commit | 4de94d2847d045295a55402c9d0c7c41412ce51d (patch) | |
| tree | efc4374450594bf0dea2a0923549dfd4faa55871 /sound/soc/codecs/sgtl5000.c | |
| parent | 5f1789071d1b8e2ff4aadbf303a6a4a222f3290e (diff) | |
ASoC: sgtl5000: Fix charge pump source assignment
If VDDA != VDDIO and any of them is greater than 3.1V, charge pump
source can be assigned automatically [1].
[1] https://www.nxp.com/docs/en/data-sheet/SGTL5000.pdf
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
Reviewed-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Diffstat (limited to 'sound/soc/codecs/sgtl5000.c')
| -rw-r--r-- | sound/soc/codecs/sgtl5000.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c index c283e410e975..32000d616312 100644 --- a/sound/soc/codecs/sgtl5000.c +++ b/sound/soc/codecs/sgtl5000.c @@ -1257,12 +1257,17 @@ static int sgtl5000_set_power_regs(struct snd_soc_codec *codec) SGTL5000_INT_OSC_EN); /* Enable VDDC charge pump */ ana_pwr |= SGTL5000_VDDC_CHRGPMP_POWERUP; - } else if (vddio >= 3100 && vdda >= 3100) { + } else { ana_pwr &= ~SGTL5000_VDDC_CHRGPMP_POWERUP; - /* VDDC use VDDIO rail */ - lreg_ctrl |= SGTL5000_VDDC_ASSN_OVRD; - lreg_ctrl |= SGTL5000_VDDC_MAN_ASSN_VDDIO << - SGTL5000_VDDC_MAN_ASSN_SHIFT; + /* + * if vddio == vdda the source of charge pump should be + * assigned manually to VDDIO + */ + if (vddio == vdda) { + lreg_ctrl |= SGTL5000_VDDC_ASSN_OVRD; + lreg_ctrl |= SGTL5000_VDDC_MAN_ASSN_VDDIO << + SGTL5000_VDDC_MAN_ASSN_SHIFT; + } } snd_soc_write(codec, SGTL5000_CHIP_LINREG_CTRL, lreg_ctrl); |