[alsa-devel] [PATCH] ASoC: Manage thermal shutdown for WM8962

[Mark Brown]

Disable the thermal shutdown circuits for headphone and speaker when the
relevant outputs are not enabled in order to save current in idle modes.

Signed-off-by: Mark Brown <broonie at opensource.wolfsonmicro.com>
---
 sound/soc/codecs/wm8962.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 5202eff..dc85b85 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -2692,6 +2692,8 @@ SND_SOC_DAPM_SUPPLY("TOCLK", WM8962_ADDITIONAL_CONTROL_1, 0, 0, NULL, 0),
 SND_SOC_DAPM_SUPPLY_S("DSP2", 1, WM8962_DSP2_POWER_MANAGEMENT,
 		      WM8962_DSP2_ENA_SHIFT, 0, dsp2_event,
 		      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+SND_SOC_DAPM_SUPPLY("TEMP_HP", WM8962_ADDITIONAL_CONTROL_4, 2, 0, NULL, 0),
+SND_SOC_DAPM_SUPPLY("TEMP_SPK", WM8962_ADDITIONAL_CONTROL_4, 1, 0, NULL, 0),
 
 SND_SOC_DAPM_MIXER("INPGAL", WM8962_LEFT_INPUT_PGA_CONTROL, 4, 0,
 		   inpgal, ARRAY_SIZE(inpgal)),
@@ -2847,6 +2849,9 @@ static const struct snd_soc_dapm_route wm8962_intercon[] = {
 
 	{ "HPOUTL", NULL, "HPOUT" },
 	{ "HPOUTR", NULL, "HPOUT" },
+
+	{ "HPOUTL", NULL, "TEMP_HP" },
+	{ "HPOUTR", NULL, "TEMP_HP" },
 };
 
 static const struct snd_soc_dapm_route wm8962_spk_mono_intercon[] = {
@@ -2863,6 +2868,7 @@ static const struct snd_soc_dapm_route wm8962_spk_mono_intercon[] = {
 	{ "Speaker Output", NULL, "Speaker PGA" },
 	{ "Speaker Output", NULL, "SYSCLK" },
 	{ "Speaker Output", NULL, "TOCLK" },
+	{ "Speaker Output", NULL, "TEMP_SPK" },
 
 	{ "SPKOUT", NULL, "Speaker Output" },
 };
@@ -2891,10 +2897,12 @@ static const struct snd_soc_dapm_route wm8962_spk_stereo_intercon[] = {
 	{ "SPKOUTL Output", NULL, "SPKOUTL PGA" },
 	{ "SPKOUTL Output", NULL, "SYSCLK" },
 	{ "SPKOUTL Output", NULL, "TOCLK" },
+	{ "SPKOUTL Output", NULL, "TEMP_SPK" },
 
 	{ "SPKOUTR Output", NULL, "SPKOUTR PGA" },
 	{ "SPKOUTR Output", NULL, "SYSCLK" },
 	{ "SPKOUTR Output", NULL, "TOCLK" },
+	{ "SPKOUTR Output", NULL, "TEMP_SPK" },
 
 	{ "SPKOUTL", NULL, "SPKOUTL Output" },
 	{ "SPKOUTR", NULL, "SPKOUTR Output" },
-- 
1.7.7.1