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control: add LED group support

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- sync asound.h with kernel 5.13

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2021-02-22 12:06:55 +01:00
parent 6c6ba467ec
commit 8e3ee8473b
3 changed files with 28 additions and 1 deletions
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6
include/sound/uapi/asound.h
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@ -922,7 +922,7 @@ struct snd_timer_tread {
* *
****************************************************************************/
#define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 8)
#define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 9)
struct snd_ctl_card_info {
int card; /* card number */
@ -968,6 +968,10 @@ typedef int __bitwise snd_ctl_elem_iface_t;
#define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */
#define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */
#define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */
#define SNDRV_CTL_ELEM_ACCESS_LED_SHIFT 11
#define SNDRV_CTL_ELEM_ACCESS_LED_MASK (7<<11) /* three bits - LED group */
#define SNDRV_CTL_ELEM_ACCESS_SPK_LED (1<<11) /* speaker (output) LED flag */
#define SNDRV_CTL_ELEM_ACCESS_MIC_LED (2<<11) /* microphone (input) LED flag */
#define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK (1<<28) /* kernel use a TLV callback */
#define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */
/* bits 30 and 31 are obsoleted (for indirect access) */