summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorDavid Lin <CTLIN0@nuvoton.com>2023-05-31 10:53:35 +0300
committerMark Brown <broonie@kernel.org>2023-05-31 14:25:10 +0300
commit8315d8adc048bd7f8eb7ee5722ecef4e6e7d52ff (patch)
tree6c751a93ddcc761223810edc5e50f49f0b360294
parentb48aa6a3577cccd13ea21392540f6cde437dd04d (diff)
downloadlinux-8315d8adc048bd7f8eb7ee5722ecef4e6e7d52ff.tar.xz
ASoC: nau8825: Add the management of headset detection for power saving
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>
-rw-r--r--sound/soc/codecs/nau8825.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/soc/codecs/nau8825.c b/sound/soc/codecs/nau8825.c
index cc3e18207c42..f6dd84b32e0b 100644
--- a/sound/soc/codecs/nau8825.c
+++ b/sound/soc/codecs/nau8825.c
@@ -1704,6 +1704,10 @@ static void nau8825_setup_auto_irq(struct nau8825 *nau8825)
{
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
* jack ejection interruption.
*/
@@ -1955,6 +1959,9 @@ static int nau8825_jack_insert(struct nau8825 *nau8825)
regmap_update_bits(regmap, NAU8825_REG_CLK_DIVIDER,
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
* ungrounded as part of the widget power up sequence at the beginning
* of playback to reduce pop.