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Commit e138a967 authored by Krishnankutty Kolathappilly's avatar Krishnankutty Kolathappilly Committed by Gerrit - the friendly Code Review server
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soc: Add audio backend to hwdep interface. 



Add audio backend to hwdep interface. This is to provide ioctl
interface to communicate to routing driver.

CRs-Fixed: 661018
Change-Id: Id38cce4be2cebd89bbedc100553c733aa9e90739
Signed-off-by: default avatarSubhash Chandra Bose Naripeddy <snariped@codeaurora.org>
Signed-off-by: default avatarKrishnankutty Kolathappilly <kkolat@codeaurora.org>
parent ff86e4ff

include/uapi/sound/asound.h

+2 −1
Original line number Diff line number Diff line
@@ -93,9 +93,10 @@ enum { 
	SNDRV_HWDEP_IFACE_SB_RC,	/* SB Extigy/Audigy2NX remote control */

	SNDRV_HWDEP_IFACE_HDA,		/* HD-audio */

	SNDRV_HWDEP_IFACE_USB_STREAM,	/* direct access to usb stream */

	SNDRV_HWDEP_IFACE_AUDIO_BE,	/* Backend Audio Control */



	/* Don't forget to change the following: */

	SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_USB_STREAM

	SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_AUDIO_BE

};



struct snd_hwdep_info {

sound/soc/soc-pcm.c

+2 −0
Original line number Diff line number Diff line
@@ -2316,6 +2316,8 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num) 
			pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream->private_data = rtd;

		if (capture)

			pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream->private_data = rtd;

		if (platform->driver->pcm_new)

			rtd->platform->driver->pcm_new(rtd);

		goto out;

	}