From 8d448162bda5ae3b5ecb26fe50c8fbbeae99faa4 Mon Sep 17 00:00:00 2001 From: Clemens Ladisch Date: Fri, 7 Oct 2011 22:38:59 +0200 Subject: ALSA: control: add support for ENUMERATED user space controls Handling of user control elements was implemented for all types except ENUMERATED. This type will be needed for the device-specific mixers of upcoming FireWire drivers. Signed-off-by: Clemens Ladisch Signed-off-by: Takashi Iwai --- sound/core/control_compat.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'sound/core/control_compat.c') diff --git a/sound/core/control_compat.c b/sound/core/control_compat.c index 426874429a5..2bb95a7a880 100644 --- a/sound/core/control_compat.c +++ b/sound/core/control_compat.c @@ -83,6 +83,8 @@ struct snd_ctl_elem_info32 { u32 items; u32 item; char name[64]; + u64 names_ptr; + u32 names_length; } enumerated; unsigned char reserved[128]; } value; @@ -372,6 +374,8 @@ static int snd_ctl_elem_add_compat(struct snd_ctl_file *file, &data32->value.enumerated, sizeof(data->value.enumerated))) goto error; + data->value.enumerated.names_ptr = + (uintptr_t)compat_ptr(data->value.enumerated.names_ptr); break; default: break; -- cgit v1.2.3