From d39b4352f2356bde9d4dae8591d4c8022360922f Mon Sep 17 00:00:00 2001 From: Wu Fengguang Date: Wed, 19 Nov 2008 15:14:02 +0800 Subject: [PATCH] ALSA: hda: make global snd_print_pcm_bits() Introduce a global function snd_print_pcm_bits() and use it in the ELD code. Signed-off-by: Wu Fengguang Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_eld.c | 10 ++++++---- sound/pci/hda/hda_local.h | 3 +++ sound/pci/hda/hda_proc.c | 22 ++++++++++++++++------ 3 files changed, 25 insertions(+), 10 deletions(-) diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c index 75e9a4014f4..8e575bb56ff 100644 --- a/sound/pci/hda/hda_eld.c +++ b/sound/pci/hda/hda_eld.c @@ -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", diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h index a1473c6cb4b..a2d01a9a0b1 100644 --- a/sound/pci/hda/hda_local.h +++ b/sound/pci/hda/hda_local.h @@ -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 */ diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c index 512eb674b74..d956e976913 100644 --- a/sound/pci/hda/hda_proc.c +++ b/sound/pci/hda/hda_proc.c @@ -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, -- 2.41.1