ALSA: hda - Allow codec-specific set_power_state ops

[deliverable/linux.git] / sound / pci / hda / patch_conexant.c

diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 884f67b8f4e093ea415fa249fbb4e9c95afe865d..502fc94994531118926bd8846befcd39a1d55325 100644 (file)
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -446,6 +446,19 @@ static int conexant_init_jacks(struct hda_codec *codec)
        return 0;
 }
 
+static void conexant_set_power(struct hda_codec *codec, hda_nid_t fg,
+                              unsigned int power_state)
+{
+       if (power_state == AC_PWRST_D3)
+               msleep(100);
+       snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE,
+                           power_state);
+       /* partial workaround for "azx_get_response timeout" */
+       if (power_state == AC_PWRST_D0)
+               msleep(10);
+       snd_hda_codec_set_power_to_all(codec, fg, power_state, true);
+}
+
 static int conexant_init(struct hda_codec *codec)
 {
        struct conexant_spec *spec = codec->spec;
@@ -588,6 +601,7 @@ static const struct hda_codec_ops conexant_patch_ops = {
        .build_pcms = conexant_build_pcms,
        .init = conexant_init,
        .free = conexant_free,
+       .set_power_state = conexant_set_power,
 #ifdef CONFIG_SND_HDA_POWER_SAVE
        .suspend = conexant_suspend,
 #endif