Commit b923528e authored by Wu Fengguang's avatar Wu Fengguang Committed by Takashi Iwai
Browse files

ALSA: hda - show HBR(High Bit Rate) pin cap in procfs 



Note that the HBR capability only applies to HDMI pin.

Signed-off-by: default avatarWu Fengguang <fengguang.wu@intel.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent c357aab0

sound/pci/hda/hda_codec.h

+1 −0
Original line number Diff line number Diff line
@@ -258,6 +258,7 @@ enum { 
#define AC_PINCAP_VREF			(0x37<<8)

#define AC_PINCAP_VREF_SHIFT		8

#define AC_PINCAP_EAPD			(1<<16)	/* EAPD capable */

#define AC_PINCAP_HBR			(1<<27)	/* High Bit Rate */

/* Vref status (used in pin cap) */

#define AC_PINCAP_VREF_HIZ		(1<<0)	/* Hi-Z */

#define AC_PINCAP_VREF_50		(1<<1)	/* 50% */

sound/pci/hda/hda_proc.c

+4 −1
Original line number Diff line number Diff line
@@ -240,9 +240,12 @@ static void print_pin_caps(struct snd_info_buffer *buffer, 
		/* Realtek uses this bit as a different meaning */

		if ((codec->vendor_id >> 16) == 0x10ec)

			snd_iprintf(buffer, " R/L");

		else

		else {

			if (caps & AC_PINCAP_HBR)

				snd_iprintf(buffer, " HBR");

			snd_iprintf(buffer, " HDMI");

		}

	}

	if (caps & AC_PINCAP_TRIG_REQ)

		snd_iprintf(buffer, " Trigger");

	if (caps & AC_PINCAP_IMP_SENSE)