diff options
| author | Michael Krufky <mkrufky@linuxtv.org> | 2008-04-22 14:41:51 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-04-24 13:42:25 -0300 |
| commit | b65aa2605683d90966a16abc68112c1fd9e3f3d8 (patch) | |
| tree | 40bac19f4c8185f571abd577e5feb65884bebbb2 | |
| parent | 060a5bd764a1d798c20eceeaac5399c672334960 (diff) | |
V4L/DVB (7128): tuner: properly handle failed calls to simple_tuner_attach
If simple_tuner_attach fails, set t->type to TUNER_ABSENT,
set t->mode_mask to T_UNINITIALIZED, and exit the set_type function.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
| -rw-r--r-- | drivers/media/video/tuner-core.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c index d6b64e9178e..335a971298a 100644 --- a/drivers/media/video/tuner-core.c +++ b/drivers/media/video/tuner-core.c @@ -317,11 +317,6 @@ static void tuner_i2c_address_check(struct tuner *t) tuner_warn("====================== WARNING! ======================\n"); } -static inline void attach_simple_tuner(struct tuner *t) -{ - simple_tuner_attach(&t->fe, t->i2c->adapter, t->i2c->addr, t->type); -} - static void attach_tda829x(struct tuner *t) { struct tda829x_config cfg = { @@ -399,7 +394,12 @@ static void set_type(struct i2c_client *c, unsigned int type, buffer[2] = 0x86; buffer[3] = 0x54; i2c_master_send(c, buffer, 4); - attach_simple_tuner(t); + if (simple_tuner_attach(&t->fe, t->i2c->adapter, t->i2c->addr, + t->type) == NULL) { + t->type = TUNER_ABSENT; + t->mode_mask = T_UNINITIALIZED; + return; + } break; case TUNER_PHILIPS_TD1316: buffer[0] = 0x0b; @@ -407,7 +407,12 @@ static void set_type(struct i2c_client *c, unsigned int type, buffer[2] = 0x86; buffer[3] = 0xa4; i2c_master_send(c,buffer,4); - attach_simple_tuner(t); + if (simple_tuner_attach(&t->fe, t->i2c->adapter, + t->i2c->addr, t->type) == NULL) { + t->type = TUNER_ABSENT; + t->mode_mask = T_UNINITIALIZED; + return; + } break; case TUNER_XC2028: { @@ -445,7 +450,12 @@ static void set_type(struct i2c_client *c, unsigned int type, } break; default: - attach_simple_tuner(t); + if (simple_tuner_attach(&t->fe, t->i2c->adapter, + t->i2c->addr, t->type) == NULL) { + t->type = TUNER_ABSENT; + t->mode_mask = T_UNINITIALIZED; + return; + } break; } |