[alsa-devel] [PATCH 1/3] ALSA: hda - Treat zero connection as non-error

[David Henningsson]

On 10/17/2013 06:32 PM, Takashi Iwai wrote:
> The zero-length connection list happens so often on Haswell HDMI, and
> it results in warning messages like
>     ALSA: hda_codec: invalid CONNECT_LIST verb 5[1]:0
> at each time the codec resumes from the power-save, which is fairly
> annoying.

Agreed, but it's not the "invalid CONNECT_LIST verb" message you're
changing, it's the "invalid dep_range_val" message?

> 
> Since this is no real error, make it shown only in the verbose debug
> mode.
> 
> Signed-off-by: Takashi Iwai <tiwai at suse.de>
> ---
>  sound/pci/hda/hda_codec.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
> index 68801ba..d725bbf 100644
> --- a/sound/pci/hda/hda_codec.c
> +++ b/sound/pci/hda/hda_codec.c
> @@ -574,7 +574,7 @@ int snd_hda_get_raw_connections(struct hda_codec *codec, hda_nid_t nid,
>  		if (range_val) {
>  			/* ranges between the previous and this one */
>  			if (!prev_nid || prev_nid >= val) {
> -				snd_printk(KERN_WARNING "hda_codec: "
> +				snd_printdd("hda_codec: "
>  					   "invalid dep_range_val %x:%x\n",
>  					   prev_nid, val);
>  				continue;
> 



-- 
David Henningsson, Canonical Ltd.
https://launchpad.net/~diwic