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authorAntti Palosaari <crope@iki.fi>2011-10-09 13:59:16 +0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-11-24 20:55:39 +0100
commit576b849ea7af9ac05dca3ca92bc62c7528e8f0ef (patch)
treee21112ac9d817ea2bb4197b0f2d2d736332c83f8 /drivers/media/common/tuners/mxl5007t.c
parent[media] tda18218: fix 6 MHz default IF frequency (diff)
downloadlinux-576b849ea7af9ac05dca3ca92bc62c7528e8f0ef.tar.xz
linux-576b849ea7af9ac05dca3ca92bc62c7528e8f0ef.zip
[media] mxl5007t: fix reg read
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>
Diffstat (limited to 'drivers/media/common/tuners/mxl5007t.c')
-rw-r--r--drivers/media/common/tuners/mxl5007t.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/media/common/tuners/mxl5007t.c b/drivers/media/common/tuners/mxl5007t.c
index 7eb1bf75cd07..5d02221e99dd 100644
--- a/drivers/media/common/tuners/mxl5007t.c
+++ b/drivers/media/common/tuners/mxl5007t.c
@@ -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)
{
+ u8 buf[2] = { 0xfb, reg };
struct i2c_msg msg[] = {
{ .addr = state->i2c_props.addr, .flags = 0,
- .buf = &reg, .len = 1 },
+ .buf = buf, .len = 2 },
{ .addr = state->i2c_props.addr, .flags = I2C_M_RD,
.buf = val, .len = 1 },
};