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[media] mxl5007t: fix reg read

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Register to read should be written to register 0xfb and then
perform I2C read to get reg value.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari 2011-10-09 08:59:16 -03:00 committed by Mauro Carvalho Chehab
parent d7d89dc85b
commit 576b849ea7
1 changed files with 2 additions and 1 deletions
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3
drivers/media/common/tuners/mxl5007t.c
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@ -488,9 +488,10 @@ static int mxl5007t_write_regs(struct mxl5007t_state *state,
static int mxl5007t_read_reg(struct mxl5007t_state *state, u8 reg, u8 *val) static int mxl5007t_read_reg(struct mxl5007t_state *state, u8 reg, u8 *val)
{ {
u8 buf[2] = { 0xfb, reg };
struct i2c_msg msg[] = { struct i2c_msg msg[] = {
{ .addr = state->i2c_props.addr, .flags = 0, { .addr = state->i2c_props.addr, .flags = 0,
.buf = &reg, .len = 1 }, .buf = buf, .len = 2 },
{ .addr = state->i2c_props.addr, .flags = I2C_M_RD, { .addr = state->i2c_props.addr, .flags = I2C_M_RD,
.buf = val, .len = 1 }, .buf = val, .len = 1 },
}; };