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| author | Wang Xingchao <xingchao.wang@intel.com> | 2012-06-06 13:49:44 +0800 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-06-06 12:12:49 +0200 |
| commit | ce63f3ba256a48023b425a4a6792f8da03d00948 (patch) | |
| tree | 213ada4d578caf48cc323c3680bf4806cf80639c /sound | |
| parent | f8f5701bdaf9134b1f90e5044a82c66324d2073f (diff) | |
| download | talos-op-linux-ce63f3ba256a48023b425a4a6792f8da03d00948.tar.gz talos-op-linux-ce63f3ba256a48023b425a4a6792f8da03d00948.zip | |
ALSA: hda - add power states information in proc
add more power states information:
- reset status
- clock stop ok
- power states error
Output like:
Power: setting=D0, actual=D0, Error, Clock-stop-OK, Setting-reset
Signed-off-by: Wang Xingchao <xingchao.wang@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/hda/hda_codec.h | 3 | ||||
| -rw-r--r-- | sound/pci/hda/hda_proc.c | 9 |
2 files changed, 11 insertions, 1 deletions
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 4fc3960c8591..71864cddcb9d 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -323,6 +323,9 @@ enum { #define AC_PWRST_D1 0x01 #define AC_PWRST_D2 0x02 #define AC_PWRST_D3 0x03 +#define AC_PWRST_ERROR (1<<8) +#define AC_PWRST_CLK_STOP_OK (1<<9) +#define AC_PWRST_SETTING_RESET (1<<10) /* Processing capabilies */ #define AC_PCAP_BENIGN (1<<0) diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c index e59e2f059b6e..fb9ef132f13b 100644 --- a/sound/pci/hda/hda_proc.c +++ b/sound/pci/hda/hda_proc.c @@ -455,10 +455,17 @@ static void print_power_state(struct snd_info_buffer *buffer, snd_iprintf(buffer, " Power states: %s\n", bits_names(sup, names, ARRAY_SIZE(names))); - snd_iprintf(buffer, " Power: setting=%s, actual=%s\n", + snd_iprintf(buffer, " Power: setting=%s, actual=%s", get_pwr_state(pwr & AC_PWRST_SETTING), get_pwr_state((pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT)); + if (pwr & AC_PWRST_ERROR) + snd_iprintf(buffer, ", Error"); + if (pwr & AC_PWRST_CLK_STOP_OK) + snd_iprintf(buffer, ", Clock-stop-OK"); + if (pwr & AC_PWRST_SETTING_RESET) + snd_iprintf(buffer, ", Setting-reset"); + snd_iprintf(buffer, "\n"); } static void print_unsol_cap(struct snd_info_buffer *buffer, |
