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drm/nouveau/i2c: fix a bit of a thinko in nv_wri2cr helper functions 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2013-02-14 19:54:42 -05:00
parent f3ed104871
commit eaa8e7ab99
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/nouveau/core/subdev/i2c/base.c
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@ -46,13 +46,13 @@ nv_rdi2cr(struct nouveau_i2c_port *port, u8 addr, u8 reg)
int
nv_wri2cr(struct nouveau_i2c_port *port, u8 addr, u8 reg, u8 val)
{
u8 buf[2] = { reg, val };
struct i2c_msg msgs[] = {
{ .addr = addr, .flags = 0, .len = 1, .buf = &reg },
{ .addr = addr, .flags = 0, .len = 1, .buf = &val },
{ .addr = addr, .flags = 0, .len = 2, .buf = buf },
};
int ret = i2c_transfer(&port->adapter, msgs, 2);
if (ret != 2)
int ret = i2c_transfer(&port->adapter, msgs, 1);
if (ret != 1)
return -EIO;
return 0;