asoc: codec: es755: set SPI clock rate to 2Mhz
Srinivas Anne [Fri, 24 Apr 2015 00:12:07 +0000 (17:12 -0700)]
FW version:
M90.5.2.12_B52352_NVidia_Loki_MCFFillIn_STREAM.bin

Summary:
Reduced the SPI clock speed to 2Mhz.
Audience codec acheived rate lock within 15-16 millisec with
2Mhz clock speed.

FW change summary:
VP OFF API removed from algo preset as it is already present
in the route preset itself.

bug 1622994
bug 200095523

Change-Id: I31598df1eed3b25e66709501031a82e125464349
Signed-off-by: Srinivas Anne <sanne@nvidia.com>
Reviewed-on: http://git-master/r/735176
Reviewed-on: http://git-master/r/739211
Reviewed-on: http://git-master/r/740706
Reviewed-by: Sumit Bhattacharya <sumitb@nvidia.com>

firmware/audience/es755/audience-es755-fw.bin
sound/soc/codecs/audience/escore-spi.h

index d74b3fd..c670a6c 100644 (file)
Binary files a/firmware/audience/es755/audience-es755-fw.bin and b/firmware/audience/es755/audience-es755-fw.bin differ
index 738142a..bd92ce6 100644 (file)
@@ -30,7 +30,7 @@ extern struct spi_driver escore_spi_driver;
 #define ES_SPI_OPERATION_SPEED 4800000
 #elif defined(CONFIG_ARCH_TEGRA)
 #define ES_SPI_FW_SPEED        9600000
-#define ES_SPI_OPERATION_SPEED 4000000
+#define ES_SPI_OPERATION_SPEED 2000000
 #endif
 
 /* This is obtained after discussion with FW team.*/