[meta-freescale] [meta-fsl-arm][PATCH v2] alsa-state: Fix mx6 buffer time
Daiane Angolini
daiane.angolini at freescale.com
Wed Oct 23 05:10:14 PDT 2013
When the buffer time is 512000, there are many audio
bitstreams can't be played, like 88.2k/6channles/16b
on sabre_SD and 96k/24b/6channels on sabre_auto.
Because ALSA can't calculate a suitable playback parameter
group (period_size, period_time, period_count, buffer_size,
buffer_count and so on) for these bitstreams.
So update the buffer time to 450000, which will fix the problem.
Change-Id: Idf2c59c3e5a2447f5d22e00d9f1b35ddb1a6fc4d
Signed-off-by: Wang Shengjiu <B02247 at freescale.com>
Signed-off-by: Daiane Angolini <daiane.angolini at freescale.com>
---
Changes since v1:
- improved commit log
- added signed-off-by for engineer that provided the asound.conf
and additional info for commit log
recipes-bsp/alsa-state/alsa-state/mx6/asound.conf | 36 +++++++++++------------
1 file changed, 18 insertions(+), 18 deletions(-)
diff --git a/recipes-bsp/alsa-state/alsa-state/mx6/asound.conf b/recipes-bsp/alsa-state/alsa-state/mx6/asound.conf
index 8c26a56..aff332e 100755
--- a/recipes-bsp/alsa-state/alsa-state/mx6/asound.conf
+++ b/recipes-bsp/alsa-state/alsa-state/mx6/asound.conf
@@ -7,7 +7,7 @@ ipc_key_add_uid yes
slave{
pcm "hw:0,0"
period_time 10000
-buffer_time 512000
+buffer_time 450000
format S16_LE
rate 48000
}
@@ -20,7 +20,7 @@ ipc_key_add_uid yes
slave{
pcm "hw:0,0"
period_time 10000
-buffer_time 512000
+buffer_time 450000
format S16_LE
rate 44100
}
@@ -33,7 +33,7 @@ ipc_key_add_uid yes
slave{
pcm "hw:0,0"
period_time 10000
-buffer_time 512000
+buffer_time 450000
format S16_LE
rate 32000
}
@@ -46,7 +46,7 @@ ipc_key_add_uid yes
slave{
pcm "hw:0,0"
period_time 10000
-buffer_time 512000
+buffer_time 450000
format S16_LE
rate 24000
}
@@ -59,7 +59,7 @@ ipc_key_add_uid yes
slave{
pcm "hw:0,0"
period_time 10000
-buffer_time 512000
+buffer_time 450000
format S16_LE
rate 22050
}
@@ -72,7 +72,7 @@ ipc_key_add_uid yes
slave{
pcm "hw:0,0"
period_time 10000
-buffer_time 512000
+buffer_time 450000
format S16_LE
rate 16000
}
@@ -85,7 +85,7 @@ ipc_key_add_uid yes
slave{
pcm "hw:0,0"
period_time 10000
-buffer_time 512000
+buffer_time 450000
format S16_LE
rate 12000
}
@@ -98,7 +98,7 @@ ipc_key_add_uid yes
slave{
pcm "hw:0,0"
period_time 10000
-buffer_time 512000
+buffer_time 450000
format S16_LE
rate 11025
}
@@ -111,7 +111,7 @@ ipc_key_add_uid yes
slave{
pcm "hw:0,0"
period_time 10000
-buffer_time 512000
+buffer_time 450000
format S16_LE
rate 8000
}
@@ -124,7 +124,7 @@ ipc_key_add_uid yes
slave{
pcm "hw:0,0"
period_time 10000
-buffer_time 512000
+buffer_time 450000
format S16_LE
rate 48000
}
@@ -137,7 +137,7 @@ ipc_key_add_uid yes
slave{
pcm "hw:0,0"
period_time 10000
-buffer_time 512000
+buffer_time 450000
format S16_LE
rate 44100
}
@@ -150,7 +150,7 @@ ipc_key_add_uid yes
slave{
pcm "hw:0,0"
period_time 10000
-buffer_time 512000
+buffer_time 450000
format S16_LE
rate 32000
}
@@ -163,7 +163,7 @@ ipc_key_add_uid yes
slave{
pcm "hw:0,0"
period_time 10000
-buffer_time 512000
+buffer_time 450000
format S16_LE
rate 24000
}
@@ -176,7 +176,7 @@ ipc_key_add_uid yes
slave{
pcm "hw:0,0"
period_time 10000
-buffer_time 512000
+buffer_time 450000
format S16_LE
rate 22050
}
@@ -189,7 +189,7 @@ ipc_key_add_uid yes
slave{
pcm "hw:0,0"
period_time 10000
-buffer_time 512000
+buffer_time 450000
format S16_LE
rate 16000
}
@@ -202,7 +202,7 @@ ipc_key_add_uid yes
slave{
pcm "hw:0,0"
period_time 10000
-buffer_time 512000
+buffer_time 450000
format S16_LE
rate 12000
}
@@ -215,7 +215,7 @@ ipc_key_add_uid yes
slave{
pcm "hw:0,0"
period_time 10000
-buffer_time 512000
+buffer_time 450000
format S16_LE
rate 11025
}
@@ -228,7 +228,7 @@ ipc_key_add_uid yes
slave{
pcm "hw:0,0"
period_time 10000
-buffer_time 512000
+buffer_time 450000
format S16_LE
rate 8000
}
--
1.8.1.2
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