On Fri, Jan 29, 2010 at 09:01:01PM +0100, Daniele Pilenga wrote:
> Hi,
> I've got this new Dell Studio 1558 that is not entirely supported right now.
> 
> One of the problems I have is the audio. It seems to be handled right, but I
> can't hear a thing, I tried some combination with mixerctl to no avail.
> 
> Any ideas?

does this fix it?

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Index: azalia_codec.c
===================================================================
RCS file: /cvs/src/sys/dev/pci/azalia_codec.c,v
retrieving revision 1.139
diff -u -p azalia_codec.c
--- azalia_codec.c      3 Nov 2009 17:31:30 -0000       1.139
+++ azalia_codec.c      29 Jan 2010 23:50:03 -0000
@@ -166,6 +166,9 @@ azalia_codec_init_vtbl(codec_t *this)
                break;
        case 0x111d7675:
                this->name = "IDT 92HD73C1";    /* aka 92HDW74C1 */
+               if (this->subid == 0x04131028) {        /* DELL_STUDIO_1558 */
+                       this->qrks |= AZ_QRK_GPIO_UNMUTE_0;
+               }
                break;
        case 0x111d7676:
                this->name = "IDT 92HD73E1";    /* aka 92HDW74E1 */

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