Am Montag, den 30.03.2015, 20:40 +0100 schrieb Russell King:
Add a helper for the EDID like data structure, which is typically passed from a HDMI adapter to its associated audio driver. This informs the audio driver of the capabilities of the attached HDMI sink.
Signed-off-by: Russell King rmk+kernel@arm.linux.org.uk
include/sound/pcm_drm_eld.h | 6 +++ sound/core/Kconfig | 3 ++ sound/core/Makefile | 1 + sound/core/pcm_drm_eld.c | 91 +++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 101 insertions(+) create mode 100644 include/sound/pcm_drm_eld.h create mode 100644 sound/core/pcm_drm_eld.c
diff --git a/include/sound/pcm_drm_eld.h b/include/sound/pcm_drm_eld.h new file mode 100644 index 000000000000..93357b25d2e2 --- /dev/null +++ b/include/sound/pcm_drm_eld.h @@ -0,0 +1,6 @@ +#ifndef __SOUND_PCM_DRM_ELD_H +#define __SOUND_PCM_DRM_ELD_H
+int snd_pcm_hw_constraint_eld(struct snd_pcm_runtime *runtime, void *eld);
+#endif diff --git a/sound/core/Kconfig b/sound/core/Kconfig index 313f22e9d929..b534c8a6046b 100644 --- a/sound/core/Kconfig +++ b/sound/core/Kconfig @@ -6,6 +6,9 @@ config SND_PCM tristate select SND_TIMER
+config SND_PCM_ELD
- bool
config SND_DMAENGINE_PCM tristate
diff --git a/sound/core/Makefile b/sound/core/Makefile index 4daf2f58261c..591b49157b4d 100644 --- a/sound/core/Makefile +++ b/sound/core/Makefile @@ -13,6 +13,7 @@ snd-$(CONFIG_SND_JACK) += jack.o snd-pcm-y := pcm.o pcm_native.o pcm_lib.o pcm_timer.o pcm_misc.o \ pcm_memory.o memalloc.o snd-pcm-$(CONFIG_SND_DMA_SGBUF) += sgbuf.o +snd-pcm-$(CONFIG_SND_PCM_ELD) += pcm_drm_eld.o
# for trace-points CFLAGS_pcm_lib.o := -I$(src) diff --git a/sound/core/pcm_drm_eld.c b/sound/core/pcm_drm_eld.c new file mode 100644 index 000000000000..78d551a1b05f --- /dev/null +++ b/sound/core/pcm_drm_eld.c @@ -0,0 +1,91 @@ +/*
- PCM DRM helpers
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License.
- */
Should this say:
+ * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation.
?
Same for patch 9.
regards Philipp