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ALSA: introduce snd_print_pcm_rates()

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We want to share some code with print_pcm_rates(),
so extract a common routine snd_print_pcm_rates() from it.

Signed-off-by: Wu Fengguang <wfg@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Wu Fengguang 2008-11-18 11:47:51 +08:00 committed by Takashi Iwai
parent 2eca83ba9c
commit 33deeca3bb
2 changed files with 17 additions and 6 deletions
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3
sound/pci/hda/hda_local.h
View File

@ -284,6 +284,9 @@ int snd_hda_codec_proc_new(struct hda_codec *codec);
static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
#endif
#define SND_PRINT_RATES_ADVISED_BUFSIZE 80
void snd_print_pcm_rates(int pcm, char *buf, int buflen);
/*
* Misc
*/

20
sound/pci/hda/hda_proc.c
View File

@ -89,20 +89,28 @@ 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)
void snd_print_pcm_rates(int pcm, char *buf, int buflen)
{
static unsigned int rates[] = {
8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
96000, 176400, 192000, 384000
};
int i;
int i, j;
for (i = 0, j = 0; i < ARRAY_SIZE(rates); i++)
if (pcm & (1 << i))
j += snprintf(buf + j, buflen - j, " %d", rates[i]);
buf[j] = '\0'; /* necessary when j == 0 */
}
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);
for (i = 0; i < ARRAY_SIZE(rates); i++)
if (pcm & (1 << i))
snd_iprintf(buffer, " %d", rates[i]);
snd_iprintf(buffer, "\n");
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)