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Diffstat (limited to 'sound/pci/hda/patch_realtek.c')
-rw-r--r--sound/pci/hda/patch_realtek.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 14ac9b0e740c..8bd226149868 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -37,6 +37,9 @@
#include "hda_jack.h"
#include "hda_generic.h"
+/* keep halting ALC5505 DSP, for power saving */
+#define HALT_REALTEK_ALC5505
+
/* unsol event tags */
#define ALC_DCVOL_EVENT 0x08
@@ -2659,15 +2662,27 @@ static void alc5505_dsp_init(struct hda_codec *codec)
alc5505_coef_set(codec, 0x880c, 0x00000004); /* DRAM Function control */
alc5505_coef_set(codec, 0x880c, 0x00000003);
alc5505_coef_set(codec, 0x880c, 0x00000010);
+
+#ifdef HALT_REALTEK_ALC5505
+ alc5505_dsp_halt(codec);
+#endif
}
+#ifdef HALT_REALTEK_ALC5505
+#define alc5505_dsp_suspend(codec) /* NOP */
+#define alc5505_dsp_resume(codec) /* NOP */
+#else
+#define alc5505_dsp_suspend(codec) alc5505_dsp_halt(codec)
+#define alc5505_dsp_resume(codec) alc5505_dsp_back_from_halt(codec)
+#endif
+
#ifdef CONFIG_PM
static int alc269_suspend(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
if (spec->has_alc5505_dsp)
- alc5505_dsp_halt(codec);
+ alc5505_dsp_suspend(codec);
return alc_suspend(codec);
}
@@ -2696,7 +2711,7 @@ static int alc269_resume(struct hda_codec *codec)
alc_inv_dmic_sync(codec, true);
hda_call_check_power_status(codec, 0x01);
if (spec->has_alc5505_dsp)
- alc5505_dsp_back_from_halt(codec);
+ alc5505_dsp_resume(codec);
return 0;
}
#endif /* CONFIG_PM */