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path: root/drivers/video/via/vt1636.c
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Diffstat (limited to 'drivers/video/via/vt1636.c')
-rw-r--r--drivers/video/via/vt1636.c20
1 files changed, 7 insertions, 13 deletions
diff --git a/drivers/video/via/vt1636.c b/drivers/video/via/vt1636.c
index e9f3661d6b3f..e5f802472883 100644
--- a/drivers/video/via/vt1636.c
+++ b/drivers/video/via/vt1636.c
@@ -167,26 +167,20 @@ bool viafb_lvds_identify_vt1636(u8 i2c_adapter)
/* Sense VT1636 LVDS Transmiter */
viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr =
- VT1636_LVDS_I2C_ADDR;
+ VT1636_LVDS_I2C_ADDR;
/* Check vendor ID first: */
- viafb_i2c_readbyte(i2c_adapter,
- (u8) viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr,
- 0x00, &Buffer[0]);
- viafb_i2c_readbyte(i2c_adapter,
- (u8) viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr,
- 0x01, &Buffer[1]);
+ if (viafb_i2c_readbyte(i2c_adapter, VT1636_LVDS_I2C_ADDR,
+ 0x00, &Buffer[0]))
+ return false;
+ viafb_i2c_readbyte(i2c_adapter, VT1636_LVDS_I2C_ADDR, 0x01, &Buffer[1]);
if (!((Buffer[0] == 0x06) && (Buffer[1] == 0x11)))
return false;
/* Check Chip ID: */
- viafb_i2c_readbyte(i2c_adapter,
- (u8) viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr,
- 0x02, &Buffer[0]);
- viafb_i2c_readbyte(i2c_adapter,
- (u8) viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr,
- 0x03, &Buffer[1]);
+ viafb_i2c_readbyte(i2c_adapter, VT1636_LVDS_I2C_ADDR, 0x02, &Buffer[0]);
+ viafb_i2c_readbyte(i2c_adapter, VT1636_LVDS_I2C_ADDR, 0x03, &Buffer[1]);
if ((Buffer[0] == 0x45) && (Buffer[1] == 0x33)) {
viaparinfo->chip_info->lvds_chip_info.lvds_chip_name =
VT1636_LVDS;