drm/nouveau/i2c: fix a bit of a thinko in nv_wri2cr helper functions (eaa8e7ab) · Commits · 方亚芬 / raspberrypi_linux

drivers/gpu/drm/nouveau/core/subdev/i2c/base.c

+4 −4

Original line number	Original line	Diff line number	Diff line
	@@ -46,13 +46,13 @@ nv_rdi2cr(struct nouveau_i2c_port *port, u8 addr, u8 reg)
	int		int
	nv_wri2cr(struct nouveau_i2c_port *port, u8 addr, u8 reg, u8 val)		nv_wri2cr(struct nouveau_i2c_port *port, u8 addr, u8 reg, u8 val)
	{		{
			u8 buf[2] = { reg, val };
	struct i2c_msg msgs[] = {		struct i2c_msg msgs[] = {
	{ .addr = addr, .flags = 0, .len = 1, .buf = &reg },		{ .addr = addr, .flags = 0, .len = 2, .buf = buf },
	{ .addr = addr, .flags = 0, .len = 1, .buf = &val },
	};		};

	int ret = i2c_transfer(&port->adapter, msgs, 2);		int ret = i2c_transfer(&port->adapter, msgs, 1);
	if (ret != 2)		if (ret != 1)
	return -EIO;		return -EIO;

	return 0;		return 0;