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Commit ce63f3ba authored by Wang Xingchao's avatar Wang Xingchao Committed by Takashi Iwai
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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: default avatarWang Xingchao <xingchao.wang@intel.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent f8f5701b

sound/pci/hda/hda_codec.h

+3 −0
Original line number Diff line number Diff line
@@ -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)

sound/pci/hda/hda_proc.c

+8 −1
Original line number Diff line number Diff line
@@ -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,