brcm2708: update to latest patches from RPi Foundation
[openwrt/staging/dedeckeh.git] / target / linux / brcm2708 / patches-4.19 / 950-0385-staging-bcm2835-audio-Drop-unnecessary-pcm-indirect-.patch
diff --git a/target/linux/brcm2708/patches-4.19/950-0385-staging-bcm2835-audio-Drop-unnecessary-pcm-indirect-.patch b/target/linux/brcm2708/patches-4.19/950-0385-staging-bcm2835-audio-Drop-unnecessary-pcm-indirect-.patch
new file mode 100644 (file)
index 0000000..8012631
--- /dev/null
@@ -0,0 +1,29 @@
+From a08260154f88b0b97e3c8de6b3cdb7187e8c3d8a Mon Sep 17 00:00:00 2001
+From: Takashi Iwai <tiwai@suse.de>
+Date: Tue, 4 Sep 2018 17:58:41 +0200
+Subject: [PATCH] staging: bcm2835-audio: Drop unnecessary pcm indirect
+ setup
+
+commit 7318ec896f4856fae2bb013858e422fa078201e1 upstream.
+
+The hw_queue_size of PCM indirect helper doesn't need to be set up if
+you use the whole given buffer size.  Drop the useless
+initialization, which just confuses readers.
+
+Signed-off-by: Takashi Iwai <tiwai@suse.de>
+Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c | 1 -
+ 1 file changed, 1 deletion(-)
+
+--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
++++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
+@@ -280,7 +280,6 @@ static int snd_bcm2835_pcm_ack(struct sn
+       struct bcm2835_alsa_stream *alsa_stream = runtime->private_data;
+       struct snd_pcm_indirect *pcm_indirect = &alsa_stream->pcm_indirect;
+-      pcm_indirect->hw_queue_size = runtime->hw.buffer_bytes_max;
+       return snd_pcm_indirect_playback_transfer(substream, pcm_indirect,
+                                                 snd_bcm2835_pcm_transfer);
+ }