From: Stefan Ringel <[email protected]>
Signed-off-by: Stefan Ringel <[email protected]>
diff --git a/drivers/media/dvb/frontends/zl10353.c
b/drivers/media/dvb/frontends/zl10353.c
index 8c61271..9716d7e 100644
--- a/drivers/media/dvb/frontends/zl10353.c
+++ b/drivers/media/dvb/frontends/zl10353.c
@@ -74,7 +74,7 @@ static int zl10353_write(struct dvb_frontend *fe, u8 *ibuf,
int ilen)
return 0;
}
-static int zl10353_read_register(struct zl10353_state *state, u8 reg)
+static int zl10353_read1_register(struct zl10353_state *state, u8 reg)
{
int ret;
u8 b0[1] = { reg };
@@ -97,6 +97,41 @@ static int zl10353_read_register(struct zl10353_state
*state, u8 reg)
return b1[0];
}
+static int zl10353_read2_register(struct zl10353_state *state, u8 reg)
+{
+ int ret;
+ u8 b0[1] = { reg - 1 };
+ u8 b1[1] = { 0 };
+ struct i2c_msg msg[2] = { { .addr = state->config.demod_address,
+ .flags = 0,
+ .buf = b0, .len = 1 },
+ { .addr = state->config.demod_address,
+ .flags = I2C_M_RD,
+ .buf = b1, .len = 2 } };
+
+ ret = i2c_transfer(state->i2c, msg, 2);
+
+ if (ret != 2) {
+ printk("%s: readreg error (reg=%d, ret==%i)\n",
+ __func__, reg, ret);
+ return ret;
+ }
+
+ return b1[1];
+}
+
+static int zl10353_read_register(struct zl10353_state *state, u8 reg)
+{
+ int ret;
+
+ if ((state->i2c->id == I2C_HW_B_TM6000) && (reg % 2 == 0))
+ ret = zl10353_read2_register(state, reg);
+ else
+ ret = zl10353_read1_register(state, reg);
+
+ return ret;
+}
+
static void zl10353_dump_regs(struct dvb_frontend *fe)
{
struct zl10353_state *state = fe->demodulator_priv;
--
1.6.6.1
--
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