[ALSA] hda-codec - Show power state in proc file

Modules: HDA generic driver

Show the power state of each widget in proc file.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c
index 08f6a6e..39ddf1c 100644 (file)
--- a/sound/pci/hda/hda_proc.c
+++ b/sound/pci/hda/hda_proc.c
@@ -281,6 +281,11 @@ static void print_codec_info(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
                        print_pcm_caps(buffer, codec, nid);
                }
 
+               if (wid_caps & AC_WCAP_POWER)
+                       snd_iprintf(buffer, "  Power: 0x%x\n",
+                                   snd_hda_codec_read(codec, nid, 0,
+                                                      AC_VERB_GET_POWER_STATE, 0));
+
                if (wid_caps & AC_WCAP_CONN_LIST) {
                        int c, curr = -1;
                        if (conn_len > 1 && wid_type != AC_WID_AUD_MIX)