Re: [PATCH] alsa: Intel HDA output and align Ids.

From: Takashi Iwai
Date: Fri Mar 20 2009 - 10:22:48 EST


At Fri, 20 Mar 2009 14:00:56 +0100,
Pascal de Bruijn | Unilogic Networks B.V. wrote:
>
> Output Intel HDA Function Id in /proc/asound/cardX/codec#X
> Align Vendor/Subsystem/Revision Ids to 8 characters, front-padded with zeros
>
> As submitted to Kernel Bugzilla #12888
>
> Signed-off-by: Pascal de Bruijn <pascal@xxxxxxxxxxxxxxxxxxxx>

Thanks for the patch.
The changes look OK, but could you make a patch against the latest
2.6.29-rc tree, and fix a coding issue reported by checkpatch.pl?

Also, a bit more explanatory subject would be helpful...


Takashi

>
> diff -Nurp linux-2.6.28.8-orig/sound/pci/hda/hda_codec.c linux-2.6.28.8-func/sound/pci/hda/hda_codec.c
> --- linux-2.6.28.8-orig/sound/pci/hda/hda_codec.c 2009-03-17 01:50:03.000000000 +0100
> +++ linux-2.6.28.8-func/sound/pci/hda/hda_codec.c 2009-03-17 10:39:45.000000000 +0100
> @@ -519,9 +519,8 @@ static void __devinit setup_fg_nodes(str
>
> total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
> for (i = 0; i < total_nodes; i++, nid++) {
> - unsigned int func;
> - func = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE);
> - switch (func & 0xff) {
> + codec->function_id = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE) & 0xff;
> + switch (codec->function_id) {
> case AC_GRP_AUDIO_FUNCTION:
> codec->afg = nid;
> break;
> diff -Nurp linux-2.6.28.8-orig/sound/pci/hda/hda_codec.h linux-2.6.28.8-func/sound/pci/hda/hda_codec.h
> --- linux-2.6.28.8-orig/sound/pci/hda/hda_codec.h 2009-03-17 01:50:03.000000000 +0100
> +++ linux-2.6.28.8-func/sound/pci/hda/hda_codec.h 2009-03-17 10:39:45.000000000 +0100
> @@ -693,6 +693,7 @@ struct hda_codec {
> hda_nid_t mfg; /* MFG node id */
>
> /* ids */
> + u32 function_id;
> u32 vendor_id;
> u32 subsystem_id;
> u32 revision_id;
> diff -Nurp linux-2.6.28.8-orig/sound/pci/hda/hda_proc.c linux-2.6.28.8-func/sound/pci/hda/hda_proc.c
> --- linux-2.6.28.8-orig/sound/pci/hda/hda_proc.c 2009-03-17 01:50:03.000000000 +0100
> +++ linux-2.6.28.8-func/sound/pci/hda/hda_proc.c 2009-03-17 10:40:08.000000000 +0100
> @@ -520,9 +520,10 @@ static void print_codec_info(struct snd_
> snd_hda_get_codec_name(codec, buf, sizeof(buf));
> snd_iprintf(buffer, "Codec: %s\n", buf);
> snd_iprintf(buffer, "Address: %d\n", codec->addr);
> - snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
> - snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
> - snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
> + snd_iprintf(buffer, "Function Id: 0x%x\n", codec->function_id);
> + snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id);
> + snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id);
> + snd_iprintf(buffer, "Revision Id: 0x%08x\n", codec->revision_id);
>
> if (codec->mfg)
> snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
>
>
>
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