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ASoC: nau8825: Add the management of headset detection for power saving

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The patch is to manage HSD feature for power saving. The detail is to
disable HSD feature after the headset detection is done. When the jack
is inserted, the HSD feature will be enabled again.

Signed-off-by: David Lin <CTLIN0@nuvoton.com>
Link: https://lore.kernel.org/r/20230531075334.168637-1-CTLIN0@nuvoton.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
David Lin
2023-05-31 15:53:35 +08:00
committed by Mark Brown
parent b48aa6a357
commit 8315d8adc0
1 changed files with 7 additions and 0 deletions
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7
sound/soc/codecs/nau8825.c
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@@ -1704,6 +1704,10 @@ static void nau8825_setup_auto_irq(struct nau8825 *nau8825)
{ {
struct regmap *regmap = nau8825->regmap; struct regmap *regmap = nau8825->regmap;
/* Enable HSD function */
regmap_update_bits(regmap, NAU8825_REG_HSD_CTRL,
NAU8825_HSD_AUTO_MODE, NAU8825_HSD_AUTO_MODE);
/* Enable headset jack type detection complete interruption and /* Enable headset jack type detection complete interruption and
* jack ejection interruption. * jack ejection interruption.
*/ */
@@ -1955,6 +1959,9 @@ static int nau8825_jack_insert(struct nau8825 *nau8825)
regmap_update_bits(regmap, NAU8825_REG_CLK_DIVIDER, regmap_update_bits(regmap, NAU8825_REG_CLK_DIVIDER,
NAU8825_CLK_MCLK_SRC_MASK, 0xf); NAU8825_CLK_MCLK_SRC_MASK, 0xf);
/* Disable HSD function */
regmap_update_bits(regmap, NAU8825_REG_HSD_CTRL, NAU8825_HSD_AUTO_MODE, 0);
/* Leaving HPOL/R grounded after jack insert by default. They will be /* Leaving HPOL/R grounded after jack insert by default. They will be
* ungrounded as part of the widget power up sequence at the beginning * ungrounded as part of the widget power up sequence at the beginning
* of playback to reduce pop. * of playback to reduce pop.