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ALSA: hda: make global snd_print_pcm_bits()

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Introduce a global function snd_print_pcm_bits() and use it in the ELD code.

Signed-off-by: Wu Fengguang <wfg@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Wu Fengguang 2008-11-19 15:14:02 +08:00 committed by Takashi Iwai
parent 06f69d17a9
commit d39b4352f2
3 changed files with 25 additions and 10 deletions
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10
sound/pci/hda/hda_eld.c
View File

@ -455,7 +455,7 @@ void snd_hdmi_show_eld(struct hdmi_eld *e)
static void hdmi_print_sad_info(int i, struct cea_sad *a,
struct snd_info_buffer *buffer)
{
char buf[80];
char buf[SND_PRINT_RATES_ADVISED_BUFSIZE];
snd_iprintf(buffer, "sad%d_coding_type\t[0x%x] %s\n",
i, a->format, cea_audio_coding_type_names[a->format]);
@ -464,9 +464,11 @@ static void hdmi_print_sad_info(int i, struct cea_sad *a,
snd_print_pcm_rates(a->rates, buf, sizeof(buf));
snd_iprintf(buffer, "sad%d_rates\t\t[0x%x]%s\n", i, a->rates, buf);
if (a->format == AUDIO_CODING_TYPE_LPCM)
snd_iprintf(buffer, "sad%d_bits\t\t0x%x\n",
i, a->sample_bits);
if (a->format == AUDIO_CODING_TYPE_LPCM) {
snd_print_pcm_bits(a->sample_bits, buf, sizeof(buf));
snd_iprintf(buffer, "sad%d_bits\t\t[0x%x]%s\n",
i, a->sample_bits, buf);
}
if (a->max_bitrate)
snd_iprintf(buffer, "sad%d_max_bitrate\t%d\n",

3
sound/pci/hda/hda_local.h
View File

@ -287,6 +287,9 @@ static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
#define SND_PRINT_RATES_ADVISED_BUFSIZE 80
void snd_print_pcm_rates(int pcm, char *buf, int buflen);
#define SND_PRINT_BITS_ADVISED_BUFSIZE 16
void snd_print_pcm_bits(int pcm, char *buf, int buflen);
/*
* Misc
*/

22
sound/pci/hda/hda_proc.c
View File

@ -107,23 +107,33 @@ void snd_print_pcm_rates(int pcm, char *buf, int buflen)
static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
{
char buf[SND_PRINT_RATES_ADVISED_BUFSIZE];
pcm &= AC_SUPPCM_RATES;
snd_iprintf(buffer, " rates [0x%x]:", pcm);
snd_print_pcm_rates(pcm, buf, sizeof(buf));
snd_iprintf(buffer, "%s\n", buf);
}
static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
void snd_print_pcm_bits(int pcm, char *buf, int buflen)
{
static unsigned int bits[] = { 8, 16, 20, 24, 32 };
int i;
int i, j;
for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
if (pcm & (1 << i))
j += snprintf(buf + j, buflen - j, " %d", bits[i]);
buf[j] = '\0'; /* necessary when j == 0 */
}
static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
{
char buf[SND_PRINT_BITS_ADVISED_BUFSIZE];
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");
snd_print_pcm_bits(pcm, buf, sizeof(buf));
snd_iprintf(buffer, "%s\n", buf);
}
static void print_pcm_formats(struct snd_info_buffer *buffer,