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media: i2c: video-i2c: Replace constants with proper names

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Acc to MLX90640 datasheet:
 - 0x0400 represents the start of RAM address
 - 0x2400 represents the start of EEPROM address

Reference: https://www.melexis.com/-/media/files/documents\
           /datasheets/mlx90640-datasheet-melexis.pdf

Signed-off-by: Moses Christopher Bollavarapu <mosescb.dev@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Moses Christopher Bollavarapu 2022-04-19 22:20:50 +02:00 committed by Mauro Carvalho Chehab
parent 35fd92b28e
commit f0de79f6b7
1 changed files with 8 additions and 2 deletions
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10
drivers/media/i2c/video-i2c.c
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@ -54,6 +54,12 @@
/* Temperature register */
#define AMG88XX_REG_T01L 0x80
/* RAM */
#define MLX90640_RAM_START_ADDR 0x0400
/* EEPROM */
#define MLX90640_EEPROM_START_ADDR 0x2400
/* Control register */
#define MLX90640_REG_CTL1 0x800d
#define MLX90640_REG_CTL1_MASK 0x0380
@ -149,7 +155,7 @@ static int mlx90640_nvram_read(void *priv, unsigned int offset, void *val,
{
struct video_i2c_data *data = priv;
return regmap_bulk_read(data->regmap, 0x2400 + offset, val, bytes);
return regmap_bulk_read(data->regmap, MLX90640_EEPROM_START_ADDR + offset, val, bytes);
}
static struct nvmem_config mlx90640_nvram_config = {
@ -168,7 +174,7 @@ static int amg88xx_xfer(struct video_i2c_data *data, char *buf)
static int mlx90640_xfer(struct video_i2c_data *data, char *buf)
{
return regmap_bulk_read(data->regmap, 0x400, buf,
return regmap_bulk_read(data->regmap, MLX90640_RAM_START_ADDR, buf,
data->chip->buffer_size);
}