media: ccs: Move limit value real to integer conversion from read to access time

Instead of converting the limit values at register read time, do that at
access time instead.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/i2c/ccs/ccs-core.c

@@ -130,6 +130,7 @@ static u32 ccs_get_limit(struct ccs_sensor *sensor,
 			 unsigned int limit, unsigned int offset)
 {
 	void *ptr;
+	u32 val;
 	int ret;
 
 	ret = ccs_limit_ptr(sensor, limit, offset, &ptr);
@@ -138,16 +139,20 @@ static u32 ccs_get_limit(struct ccs_sensor *sensor,
 
 	switch (ccs_reg_width(ccs_limits[ccs_limit_offsets[limit].info].reg)) {
 	case sizeof(u8):
-		return *(u8 *)ptr;
+		val = *(u8 *)ptr;
+		break;
 	case sizeof(u16):
-		return *(u16 *)ptr;
+		val = *(u16 *)ptr;
+		break;
 	case sizeof(u32):
-		return *(u32 *)ptr;
-	}
-
+		val = *(u32 *)ptr;
+		break;
+	default:
 		WARN_ON(1);
-
 		return 0;
+	}
+
+	return ccs_reg_conv(sensor, ccs_limits[limit].reg, val);
 }
 
 #define CCS_LIM(sensor, limit) \
@@ -188,7 +193,7 @@ static int ccs_read_all_limits(struct ccs_sensor *sensor)
 		     j++, reg += width, ptr += width) {
 			u32 val;
 
-			ret = ccs_read_addr(sensor, reg, &val);
+			ret = ccs_read_addr_noconv(sensor, reg, &val);
 			if (ret)
 				goto out_err;