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| author | Patrick Boettcher <pb@linuxtv.org> | 2006-11-21 09:35:10 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-12-10 12:05:02 +0100 |
| commit | 8949f1a2424a38a4080a2a3561a2698f215a7c4a (patch) | |
| tree | 206002c4a28df89c339f86c8a89d3e391e8e4250 /drivers/media/dvb/frontends/tda826x.c | |
| parent | V4L/DVB (4862): Fixes uninitialized variables passed to VIDIOC_G_FBUF. (diff) | |
| download | linux-8949f1a2424a38a4080a2a3561a2698f215a7c4a.tar.xz linux-8949f1a2424a38a4080a2a3561a2698f215a7c4a.zip | |
V4L/DVB (4864): TDA826x I2C read with 2 messages
Added a dump I2C message to the TDA826x-driver to fix I2C read for
identification with ttusb2-driver.
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/dvb/frontends/tda826x.c')
| -rw-r--r-- | drivers/media/dvb/frontends/tda826x.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/media/dvb/frontends/tda826x.c b/drivers/media/dvb/frontends/tda826x.c index 4f01d7b47cd5..79f971dc52b6 100644 --- a/drivers/media/dvb/frontends/tda826x.c +++ b/drivers/media/dvb/frontends/tda826x.c @@ -132,18 +132,21 @@ struct dvb_frontend *tda826x_attach(struct dvb_frontend *fe, int addr, struct i2 { struct tda826x_priv *priv = NULL; u8 b1 [] = { 0, 0 }; - struct i2c_msg msg = { .addr = addr, .flags = I2C_M_RD, .buf = b1, .len = 2 }; + struct i2c_msg msg[2] = { + { .addr = addr, .flags = 0, .buf = NULL, .len = 0 }, + { .addr = addr, .flags = I2C_M_RD, .buf = b1, .len = 2 } + }; int ret; dprintk("%s:\n", __FUNCTION__); if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); - ret = i2c_transfer (i2c, &msg, 1); + ret = i2c_transfer (i2c, msg, 2); if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); - if (ret != 1) + if (ret != 2) return NULL; if (!(b1[1] & 0x80)) return NULL; |