[alsa-devel] [PATCH] ALSA: hda - print power state for AFG node in proc file

David Henningsson david.henningsson at canonical.com
Tue Jan 8 15:01:18 CET 2013

It seems useful, and power states are required for AFG nodes,
so I see no reason not to print it. As a bonus, also print the
AFG nid.

Signed-off-by: David Henningsson <david.henningsson at canonical.com>
 sound/pci/hda/hda_proc.c |    2 ++
 1 file changed, 2 insertions(+)

(Feel free to rephrase "State of AFG node 0x%02x:\n" if you like.)

diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c
index 045e5d3..d6c8416 100644
--- a/sound/pci/hda/hda_proc.c
+++ b/sound/pci/hda/hda_proc.c
@@ -603,6 +603,8 @@ static void print_codec_info(struct snd_info_entry *entry,
 	print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 	snd_iprintf(buffer, "Default Amp-Out caps: ");
 	print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
+	snd_iprintf(buffer, "State of AFG node 0x%02x:\n", codec->afg);
+	print_power_state(buffer, codec, codec->afg);
 	nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 	if (! nid || nodes < 0) {

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