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-rw-r--r--drivers/media/video/em28xx/em28xx-i2c.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/media/video/em28xx/em28xx-i2c.c b/drivers/media/video/em28xx/em28xx-i2c.c
index 2360c61ddca..ec3e3b157ba 100644
--- a/drivers/media/video/em28xx/em28xx-i2c.c
+++ b/drivers/media/video/em28xx/em28xx-i2c.c
@@ -332,6 +332,17 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned char *eedata, int len)
struct em28xx_eeprom *em_eeprom = (void *)eedata;
int i, err, size = len, block;
+ if (dev->chip_id == CHIP_ID_EM2874) {
+ /* Empia switched to a 16-bit addressable eeprom in newer
+ devices. While we could certainly write a routine to read
+ the eeprom, there is nothing of use in there that cannot be
+ accessed through registers, and there is the risk that we
+ could corrupt the eeprom (since a 16-bit read call is
+ interpreted as a write call by 8-bit eeproms).
+ */
+ return 0;
+ }
+
dev->i2c_client.addr = 0xa0 >> 1;
/* Check if board has eeprom */