Unverified Commit 968b4206 authored by Emanuele Ghidoli's avatar Emanuele Ghidoli Committed by Mark Brown
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ASoC: nau8822: add speaker Bridge Tied Output configuration 



Allow configuring the two loudspeaker outputs as a
single Bridge Tied Load output getting higher output power.

Signed-off-by: default avatarEmanuele Ghidoli <emanuele.ghidoli@toradex.com>
Signed-off-by: default avatarFrancesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20230104140412.35575-4-francesco@dolcini.it


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 76fa6279

sound/soc/codecs/nau8822.c

+9 −0
Original line number Diff line number Diff line
@@ -1056,6 +1056,7 @@ static const int update_reg[] = { 
static int nau8822_probe(struct snd_soc_component *component)

{

	int i;

	struct device_node *of_node = component->dev->of_node;



	/*

	 * Set the update bit in all registers, that have one. This way all
@@ -1066,6 +1067,14 @@ static int nau8822_probe(struct snd_soc_component *component) 
		snd_soc_component_update_bits(component,

			update_reg[i], 0x100, 0x100);



	/* Check property to configure the two loudspeaker outputs as

	 * a single Bridge Tied Load output

	 */

	if (of_property_read_bool(of_node, "nuvoton,spk-btl"))

		snd_soc_component_update_bits(component,

					      NAU8822_REG_RIGHT_SPEAKER_CONTROL,

					      NAU8822_RSUBBYP, NAU8822_RSUBBYP);



	return 0;

}

sound/soc/codecs/nau8822.h

+9 −0
Original line number Diff line number Diff line
@@ -187,6 +187,15 @@ 
/* NAU8822_REG_PLL_K3 (0x27) */

#define NAU8822_PLLK3_MASK			0x1FF



/* NAU8822_REG_RIGHT_SPEAKER_CONTROL (0x2B) */

#define NAU8822_RMIXMUT				0x20

#define NAU8822_RSUBBYP				0x10



#define NAU8822_RAUXRSUBG_SFT			1

#define NAU8822_RAUXRSUBG_MASK			0x0E



#define NAU8822_RAUXSMUT			0x01



/* System Clock Source */

enum {

	NAU8822_CLK_MCLK,