ChangeSet 1.1938.439.45, 2005/01/06 13:54:20-08:00, khali@linux-fr.org [PATCH] I2C: Add secondary Super-I/O address support to This patch adds support for the secondary Super-I/O address to the w83627hf driver. Most manufacturer use the primary address but at least the EPoX EP-9NDA3+ had a Winbond W83627THF at the secondary address. Signed-off-by: Jean Delvare Signed-off-by: Greg Kroah-Hartman drivers/i2c/chips/w83627hf.c | 12 ++++++++---- 1 files changed, 8 insertions(+), 4 deletions(-) diff -Nru a/drivers/i2c/chips/w83627hf.c b/drivers/i2c/chips/w83627hf.c --- a/drivers/i2c/chips/w83627hf.c 2005-01-07 14:54:49 -08:00 +++ b/drivers/i2c/chips/w83627hf.c 2005-01-07 14:54:49 -08:00 @@ -67,9 +67,9 @@ MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization"); /* modified from kernel/include/traps.c */ -#define REG 0x2e /* The register to read/write */ +static int REG; /* The register to read/write */ #define DEV 0x07 /* Register: Logical device select */ -#define VAL 0x2f /* The value to read/write */ +static int VAL; /* The value to read/write */ /* logical device numbers for superio_select (below) */ #define W83627HF_LD_FDC 0x00 @@ -938,10 +938,13 @@ return i2c_detect(adapter, &addr_data, w83627hf_detect); } -static int w83627hf_find(int *address) +static int w83627hf_find(int sioaddr, int *address) { u16 val; + REG = sioaddr; + VAL = sioaddr + 1; + superio_enter(); val= superio_inb(DEVID); if(val != W627_DEVID && @@ -1422,7 +1425,8 @@ { int addr; - if (w83627hf_find(&addr)) { + if (w83627hf_find(0x2e, &addr) + && w83627hf_find(0x4e, &addr)) { return -ENODEV; } normal_isa[0] = addr;