summaryrefslogtreecommitdiffstats
path: root/drivers/media/platform/davinci/dm644x_ccdc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/platform/davinci/dm644x_ccdc.c')
-rw-r--r--drivers/media/platform/davinci/dm644x_ccdc.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/media/platform/davinci/dm644x_ccdc.c b/drivers/media/platform/davinci/dm644x_ccdc.c
index 318e80512998..971d639b6674 100644
--- a/drivers/media/platform/davinci/dm644x_ccdc.c
+++ b/drivers/media/platform/davinci/dm644x_ccdc.c
@@ -228,9 +228,12 @@ static void ccdc_readregs(void)
static int validate_ccdc_param(struct ccdc_config_params_raw *ccdcparam)
{
if (ccdcparam->alaw.enable) {
- if ((ccdcparam->alaw.gama_wd > CCDC_GAMMA_BITS_09_0) ||
- (ccdcparam->alaw.gama_wd < CCDC_GAMMA_BITS_15_6) ||
- (ccdcparam->alaw.gama_wd < ccdcparam->data_sz)) {
+ u8 max_gamma = ccdc_gamma_width_max_bit(ccdcparam->alaw.gamma_wd);
+ u8 max_data = ccdc_data_size_max_bit(ccdcparam->data_sz);
+
+ if ((ccdcparam->alaw.gamma_wd > CCDC_GAMMA_BITS_09_0) ||
+ (ccdcparam->alaw.gamma_wd < CCDC_GAMMA_BITS_15_6) ||
+ (max_gamma > max_data)) {
dev_dbg(ccdc_cfg.dev, "\nInvalid data line select");
return -1;
}
@@ -560,8 +563,8 @@ void ccdc_config_raw(void)
/* Enable and configure aLaw register if needed */
if (config_params->alaw.enable) {
- val = ((config_params->alaw.gama_wd &
- CCDC_ALAW_GAMA_WD_MASK) | CCDC_ALAW_ENABLE);
+ val = ((config_params->alaw.gamma_wd &
+ CCDC_ALAW_GAMMA_WD_MASK) | CCDC_ALAW_ENABLE);
regw(val, CCDC_ALAW);
dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to ALAW...\n", val);
}