Commit 3eafc959 authored by Omair Mohammed Abdullah's avatar Omair Mohammed Abdullah Committed by Takashi Iwai

ALSA: core: add support for compressed devices

Use the minor numbers 2 and 3 for audio compressed offload devices.
Also add support for these devices in core
Signed-off-by: default avatarOmair Mohammed Abdullah <omair.m.abdullah@intel.com>
Signed-off-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@linux.intel.com>
Reviewed-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 57bd9b8d
...@@ -62,6 +62,7 @@ typedef int __bitwise snd_device_type_t; ...@@ -62,6 +62,7 @@ typedef int __bitwise snd_device_type_t;
#define SNDRV_DEV_BUS ((__force snd_device_type_t) 0x1007) #define SNDRV_DEV_BUS ((__force snd_device_type_t) 0x1007)
#define SNDRV_DEV_CODEC ((__force snd_device_type_t) 0x1008) #define SNDRV_DEV_CODEC ((__force snd_device_type_t) 0x1008)
#define SNDRV_DEV_JACK ((__force snd_device_type_t) 0x1009) #define SNDRV_DEV_JACK ((__force snd_device_type_t) 0x1009)
#define SNDRV_DEV_COMPRESS ((__force snd_device_type_t) 0x100A)
#define SNDRV_DEV_LOWLEVEL ((__force snd_device_type_t) 0x2000) #define SNDRV_DEV_LOWLEVEL ((__force snd_device_type_t) 0x2000)
typedef int __bitwise snd_device_state_t; typedef int __bitwise snd_device_state_t;
......
...@@ -35,7 +35,7 @@ ...@@ -35,7 +35,7 @@
#define SNDRV_MINOR_TIMER 33 /* SNDRV_MINOR_GLOBAL + 1 * 32 */ #define SNDRV_MINOR_TIMER 33 /* SNDRV_MINOR_GLOBAL + 1 * 32 */
#ifndef CONFIG_SND_DYNAMIC_MINORS #ifndef CONFIG_SND_DYNAMIC_MINORS
/* 2 - 3 (reserved) */ #define SNDRV_MINOR_COMPRESS 2 /* 2 - 3 */
#define SNDRV_MINOR_HWDEP 4 /* 4 - 7 */ #define SNDRV_MINOR_HWDEP 4 /* 4 - 7 */
#define SNDRV_MINOR_RAWMIDI 8 /* 8 - 15 */ #define SNDRV_MINOR_RAWMIDI 8 /* 8 - 15 */
#define SNDRV_MINOR_PCM_PLAYBACK 16 /* 16 - 23 */ #define SNDRV_MINOR_PCM_PLAYBACK 16 /* 16 - 23 */
...@@ -49,6 +49,7 @@ ...@@ -49,6 +49,7 @@
#define SNDRV_DEVICE_TYPE_PCM_CAPTURE SNDRV_MINOR_PCM_CAPTURE #define SNDRV_DEVICE_TYPE_PCM_CAPTURE SNDRV_MINOR_PCM_CAPTURE
#define SNDRV_DEVICE_TYPE_SEQUENCER SNDRV_MINOR_SEQUENCER #define SNDRV_DEVICE_TYPE_SEQUENCER SNDRV_MINOR_SEQUENCER
#define SNDRV_DEVICE_TYPE_TIMER SNDRV_MINOR_TIMER #define SNDRV_DEVICE_TYPE_TIMER SNDRV_MINOR_TIMER
#define SNDRV_DEVICE_TYPE_COMPRESS SNDRV_MINOR_COMPRESS
#else /* CONFIG_SND_DYNAMIC_MINORS */ #else /* CONFIG_SND_DYNAMIC_MINORS */
...@@ -60,6 +61,7 @@ enum { ...@@ -60,6 +61,7 @@ enum {
SNDRV_DEVICE_TYPE_RAWMIDI, SNDRV_DEVICE_TYPE_RAWMIDI,
SNDRV_DEVICE_TYPE_PCM_PLAYBACK, SNDRV_DEVICE_TYPE_PCM_PLAYBACK,
SNDRV_DEVICE_TYPE_PCM_CAPTURE, SNDRV_DEVICE_TYPE_PCM_CAPTURE,
SNDRV_DEVICE_TYPE_COMPRESS,
}; };
#endif /* CONFIG_SND_DYNAMIC_MINORS */ #endif /* CONFIG_SND_DYNAMIC_MINORS */
......
...@@ -229,6 +229,7 @@ static int snd_kernel_minor(int type, struct snd_card *card, int dev) ...@@ -229,6 +229,7 @@ static int snd_kernel_minor(int type, struct snd_card *card, int dev)
case SNDRV_DEVICE_TYPE_RAWMIDI: case SNDRV_DEVICE_TYPE_RAWMIDI:
case SNDRV_DEVICE_TYPE_PCM_PLAYBACK: case SNDRV_DEVICE_TYPE_PCM_PLAYBACK:
case SNDRV_DEVICE_TYPE_PCM_CAPTURE: case SNDRV_DEVICE_TYPE_PCM_CAPTURE:
case SNDRV_DEVICE_TYPE_COMPRESS:
if (snd_BUG_ON(!card)) if (snd_BUG_ON(!card))
return -EINVAL; return -EINVAL;
minor = SNDRV_MINOR(card->number, type + dev); minor = SNDRV_MINOR(card->number, type + dev);
......
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