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Commit b90d7760 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
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[ALSA] hda-codec - Verbose proc output for PCM parameters 



Make the output for PCM parameters more verbose, showing
each rate, bits and format.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent ee3527b0

sound/pci/hda/hda_proc.c

+47 −4
Original line number Diff line number Diff line
@@ -88,6 +88,48 @@ static void print_amp_vals(struct snd_info_buffer *buffer, 
	snd_iprintf(buffer, "\n");

}



static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)

{

	static unsigned int rates[] = {

		8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,

		96000, 176400, 192000, 384000

	};

	int i;



	pcm &= AC_SUPPCM_RATES;

	snd_iprintf(buffer, "    rates [0x%x]:", pcm);

	for (i = 0; i < ARRAY_SIZE(rates); i++) 

		if (pcm & (1 << i))

			snd_iprintf(buffer, " %d", rates[i]);

	snd_iprintf(buffer, "\n");

}



static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)

{

	static unsigned int bits[] = { 8, 16, 20, 24, 32 };

	int i;



	pcm = (pcm >> 16) & 0xff;

	snd_iprintf(buffer, "    bits [0x%x]:", pcm);

	for (i = 0; i < ARRAY_SIZE(bits); i++)

		if (pcm & (1 << i))

			snd_iprintf(buffer, " %d", bits[i]);

	snd_iprintf(buffer, "\n");

}



static void print_pcm_formats(struct snd_info_buffer *buffer,

			      unsigned int streams)

{

	snd_iprintf(buffer, "    formats [0x%x]:", streams & 0xf);

	if (streams & AC_SUPFMT_PCM)

		snd_iprintf(buffer, " PCM");

	if (streams & AC_SUPFMT_FLOAT32)

		snd_iprintf(buffer, " FLOAT");

	if (streams & AC_SUPFMT_AC3)

		snd_iprintf(buffer, " AC3");

	snd_iprintf(buffer, "\n");

}



static void print_pcm_caps(struct snd_info_buffer *buffer,

			   struct hda_codec *codec, hda_nid_t nid)

{
@@ -97,8 +139,9 @@ static void print_pcm_caps(struct snd_info_buffer *buffer, 
		snd_iprintf(buffer, "N/A\n");

		return;

	}

	snd_iprintf(buffer, "rates 0x%03x, bits 0x%02x, types 0x%x\n",

		    pcm & AC_SUPPCM_RATES, (pcm >> 16) & 0xff, stream & 0xf);

	print_pcm_rates(buffer, pcm);

	print_pcm_bits(buffer, pcm);

	print_pcm_formats(buffer, stream);

}



static const char *get_jack_location(u32 cfg)
@@ -210,7 +253,7 @@ static void print_codec_info(struct snd_info_entry *entry, struct snd_info_buffe 
	snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);

	if (! codec->afg)

		return;

	snd_iprintf(buffer, "Default PCM: ");

	snd_iprintf(buffer, "Default PCM:\n");

	print_pcm_caps(buffer, codec, codec->afg);

	snd_iprintf(buffer, "Default Amp-In caps: ");

	print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
@@ -278,7 +321,7 @@ static void print_codec_info(struct snd_info_entry *entry, struct snd_info_buffe 


		if ((wid_type == AC_WID_AUD_OUT || wid_type == AC_WID_AUD_IN) &&

		    (wid_caps & AC_WCAP_FORMAT_OVRD)) {

			snd_iprintf(buffer, "  PCM: ");

			snd_iprintf(buffer, "  PCM:\n");

			print_pcm_caps(buffer, codec, nid);

		}