Until now, if there is a read error in tda18271_get_id, the driver
reports "Unknown device..." Instead, check the return value of
tda18271_read_regs and display the appropriate error message.
Signed-off-by: Michael Krufky <mkru...@linuxtv.org>
---
drivers/media/tuners/tda18271-fe.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/media/tuners/tda18271-fe.c
b/drivers/media/tuners/tda18271-fe.c
index ca202da..72c26fd 100644
--- a/drivers/media/tuners/tda18271-fe.c
+++ b/drivers/media/tuners/tda18271-fe.c
@@ -1159,11 +1159,19 @@ static int tda18271_get_id(struct dvb_frontend *fe)
struct tda18271_priv *priv = fe->tuner_priv;
unsigned char *regs = priv->tda18271_regs;
char *name;
+ int ret;
mutex_lock(&priv->lock);
- tda18271_read_regs(fe);
+ ret = tda18271_read_regs(fe);
mutex_unlock(&priv->lock);
+ if (ret) {
+ tda_info("Error reading device ID @ %d-%04x, bailing out.\n",
+ i2c_adapter_id(priv->i2c_props.adap),
+ priv->i2c_props.addr);
+ return -EIO;
+ }
+
switch (regs[R_ID] & 0x7f) {
case 3:
name = "TDA18271HD/C1";
--
1.7.9.5
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