[alsa-devel] [PATCH] ALSA: hda - show ICT/KAE control bits
Enable two debug options for S/PDIF Converter Control. KAE: Keep Alive Enable; ICT: IEC Coding Type.
Signed-off-by: Wang Xingchao xingchao.wang@intel.com --- sound/pci/hda/hda_codec.h | 4 ++++ sound/pci/hda/hda_proc.c | 4 ++++ 2 files changed, 8 insertions(+)
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index c422d33..7167f37 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -386,6 +386,10 @@ enum { /* DIGITAL2 bits */ #define AC_DIG2_CC (0x7f<<0)
+/* DIGITAL3 bits */ +#define AC_DIG3_ICT (0xf<<16) +#define AC_DIG3_KAE (1<<23) + /* Pin widget control - 8bit */ #define AC_PINCTL_EPT (0x3<<0) #define AC_PINCTL_EPT_NATIVE 0 diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c index 7e46258..a222aae 100644 --- a/sound/pci/hda/hda_proc.c +++ b/sound/pci/hda/hda_proc.c @@ -419,9 +419,13 @@ static void print_digital_conv(struct snd_info_buffer *buffer, snd_iprintf(buffer, " Pro"); if (digi1 & AC_DIG1_LEVEL) snd_iprintf(buffer, " GenLevel"); + if (digi1 & AC_DIG3_KAE) + snd_iprintf(buffer, " KAE"); snd_iprintf(buffer, "\n"); snd_iprintf(buffer, " Digital category: 0x%x\n", (digi1 >> 8) & AC_DIG2_CC); + snd_iprintf(buffer, " IEC Coding Type: 0x%x\n", + (digi1 >> 16) & AC_DIG3_ICT); }
static const char *get_pwr_state(u32 state)
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Wang Xingchao