[alsa-devel] [PATCH] ASoC: Manage thermal shutdown for WM8962
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@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" },
participants (1)
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Mark Brown