Unverified Commit 8315d8ad authored by David Lin's avatar David Lin Committed by Mark Brown
Browse files

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: default avatarDavid Lin <CTLIN0@nuvoton.com>
Link: https://lore.kernel.org/r/20230531075334.168637-1-CTLIN0@nuvoton.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent b48aa6a3

sound/soc/codecs/nau8825.c

+7 −0
Original line number Diff line number Diff line
@@ -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.