diff options
| author | David Lin <CTLIN0@nuvoton.com> | 2022-11-22 08:38:55 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-11-22 13:23:13 +0100 |
| commit | fa0fb0738e9c412d3c4a9fe655948ac9a87c6274 (patch) | |
| tree | 7767b6b1728bec2c8d30551c32405566ae3f54bc /sound | |
| parent | ASoC: Intel: sof_sdw: Add support for SKU 0C4F product (diff) | |
| download | linux-fa0fb0738e9c412d3c4a9fe655948ac9a87c6274.tar.xz linux-fa0fb0738e9c412d3c4a9fe655948ac9a87c6274.zip | |
ASoC: nau8825: Adjust internal clock during jack detection
This patch is to rasie up internal clock during jack detection.
The fast clock will accelerate charge and discharge effect.
So this mechanism will make jack detection more robust.
Signed-off-by: David Lin <CTLIN0@nuvoton.com>
Link: https://lore.kernel.org/r/20221122073855.43024-1-CTLIN0@nuvoton.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/nau8825.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/soc/codecs/nau8825.c b/sound/soc/codecs/nau8825.c index 3eac7c92df88..ba7f5ec28609 100644 --- a/sound/soc/codecs/nau8825.c +++ b/sound/soc/codecs/nau8825.c @@ -1686,6 +1686,9 @@ static void nau8825_setup_auto_irq(struct nau8825 *nau8825) /* Enable internal VCO needed for interruptions */ nau8825_configure_sysclk(nau8825, NAU8825_CLK_INTERNAL, 0); + /* Raise up the internal clock for jack detection */ + regmap_update_bits(regmap, NAU8825_REG_CLK_DIVIDER, + NAU8825_CLK_MCLK_SRC_MASK, 0); /* Enable ADC needed for interruptions */ regmap_update_bits(regmap, NAU8825_REG_ENA_CTRL, @@ -1800,6 +1803,10 @@ static int nau8825_jack_insert(struct nau8825 *nau8825) break; } + /* Update to the default divider of internal clock for power saving */ + regmap_update_bits(regmap, NAU8825_REG_CLK_DIVIDER, + NAU8825_CLK_MCLK_SRC_MASK, 0xf); + /* Leaving HPOL/R grounded after jack insert by default. They will be * ungrounded as part of the widget power up sequence at the beginning * of playback to reduce pop. |