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| author | Josh Wu <josh.wu@atmel.com> | 2014-11-25 06:30:25 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-03-02 13:27:11 -0300 |
| commit | ce037f19aaef992c634af653b17e61eee30a9404 (patch) | |
| tree | 92eacbba08e01fa81f101dafebaa409ab2be871e /include/media | |
| parent | 0e661006370b7e7fb9ac9d94f9c3500a62cd559b (diff) | |
| download | linux-ce037f19aaef992c634af653b17e61eee30a9404.tar.gz | |
[media] media: atmel-isi: increase the burst length to improve the performance
The burst length could be BEATS_4/8/16. Before this patch, isi use default value BEATS_4. To imporve the performance we could set it to BEATS_16. Otherwise sometime it would cause the ISI overflow error. Reported-by: Bo Shen <voice.shen@atmel.com> Signed-off-by: Josh Wu <josh.wu@atmel.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/atmel-isi.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/media/atmel-isi.h b/include/media/atmel-isi.h index c2e570336269..6008b0985b7b 100644 --- a/include/media/atmel-isi.h +++ b/include/media/atmel-isi.h @@ -59,6 +59,10 @@ #define ISI_CFG1_FRATE_DIV_MASK (7 << 8) #define ISI_CFG1_DISCR (1 << 11) #define ISI_CFG1_FULL_MODE (1 << 12) +/* Definition for THMASK(ISI_V2) */ +#define ISI_CFG1_THMASK_BEATS_4 (0 << 13) +#define ISI_CFG1_THMASK_BEATS_8 (1 << 13) +#define ISI_CFG1_THMASK_BEATS_16 (2 << 13) /* Bitfields in CFG2 */ #define ISI_CFG2_GRAYSCALE (1 << 13) |