diff options
-rw-r--r-- | drivers/video/via/vt1636.c | 20 |
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) | |||
167 | 167 | ||
168 | /* Sense VT1636 LVDS Transmiter */ | 168 | /* Sense VT1636 LVDS Transmiter */ |
169 | viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr = | 169 | viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr = |
170 | VT1636_LVDS_I2C_ADDR; | 170 | VT1636_LVDS_I2C_ADDR; |
171 | 171 | ||
172 | /* Check vendor ID first: */ | 172 | /* Check vendor ID first: */ |
173 | viafb_i2c_readbyte(i2c_adapter, | 173 | if (viafb_i2c_readbyte(i2c_adapter, VT1636_LVDS_I2C_ADDR, |
174 | (u8) viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr, | 174 | 0x00, &Buffer[0])) |
175 | 0x00, &Buffer[0]); | 175 | return false; |
176 | viafb_i2c_readbyte(i2c_adapter, | 176 | viafb_i2c_readbyte(i2c_adapter, VT1636_LVDS_I2C_ADDR, 0x01, &Buffer[1]); |
177 | (u8) viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr, | ||
178 | 0x01, &Buffer[1]); | ||
179 | 177 | ||
180 | if (!((Buffer[0] == 0x06) && (Buffer[1] == 0x11))) | 178 | if (!((Buffer[0] == 0x06) && (Buffer[1] == 0x11))) |
181 | return false; | 179 | return false; |
182 | 180 | ||
183 | /* Check Chip ID: */ | 181 | /* Check Chip ID: */ |
184 | viafb_i2c_readbyte(i2c_adapter, | 182 | viafb_i2c_readbyte(i2c_adapter, VT1636_LVDS_I2C_ADDR, 0x02, &Buffer[0]); |
185 | (u8) viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr, | 183 | viafb_i2c_readbyte(i2c_adapter, VT1636_LVDS_I2C_ADDR, 0x03, &Buffer[1]); |
186 | 0x02, &Buffer[0]); | ||
187 | viafb_i2c_readbyte(i2c_adapter, | ||
188 | (u8) viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr, | ||
189 | 0x03, &Buffer[1]); | ||
190 | if ((Buffer[0] == 0x45) && (Buffer[1] == 0x33)) { | 184 | if ((Buffer[0] == 0x45) && (Buffer[1] == 0x33)) { |
191 | viaparinfo->chip_info->lvds_chip_info.lvds_chip_name = | 185 | viaparinfo->chip_info->lvds_chip_info.lvds_chip_name = |
192 | VT1636_LVDS; | 186 | VT1636_LVDS; |