diff options
| author | Wu Fengguang <wfg@linux.intel.com> | 2008-11-18 11:47:51 +0800 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2008-11-18 07:38:51 +0100 |
| commit | 33deeca3bb6a945677d70876ea9d044fc5797eb3 (patch) | |
| tree | f66885f6f6122559cbb38de1bcced20a0007ef5d /sound | |
| parent | 2eca83ba9cc6f811f8c63314b22b4bc0532e2207 (diff) | |
ALSA: introduce snd_print_pcm_rates()
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>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/hda/hda_local.h | 3 | ||||
| -rw-r--r-- | sound/pci/hda/hda_proc.c | 20 |
2 files changed, 17 insertions, 6 deletions
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h index aac569b0559..d7e3a164eff 100644 --- a/sound/pci/hda/hda_local.h +++ b/sound/pci/hda/hda_local.h @@ -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 */ diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c index 64b6a38fa96..512eb674b74 100644 --- a/sound/pci/hda/hda_proc.c +++ b/sound/pci/hda/hda_proc.c @@ -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) |