diff options
| -rw-r--r-- | firmware/drivers/tuner/tea5767.c | 23 | ||||
| -rw-r--r-- | firmware/export/tea5767.h | 1 | ||||
| -rw-r--r-- | firmware/tuner.c | 3 |
3 files changed, 25 insertions, 2 deletions
diff --git a/firmware/drivers/tuner/tea5767.c b/firmware/drivers/tuner/tea5767.c index b16bb4b7c5..7660fa783d 100644 --- a/firmware/drivers/tuner/tea5767.c +++ b/firmware/drivers/tuner/tea5767.c @@ -34,6 +34,7 @@ #define I2C_ADR 0xC0 #endif +static bool tuner_present = true; static unsigned char write_bytes[5] = { 0x00, 0x00, 0x00, 0x00, 0x00 }; static void tea5767_set_clear(int byte, unsigned char bits, int set) @@ -116,7 +117,7 @@ int tea5767_get(int setting) switch(setting) { case RADIO_PRESENT: - val = 1; /* true */ + val = tuner_present; break; case RADIO_TUNED: @@ -136,6 +137,26 @@ int tea5767_get(int setting) return val; } +void tea5767_init(void) +{ +/* save binsize by only detecting presence for targets where it may be absent */ +#if defined(PHILIPS_HDD1630) + unsigned char buf[5]; + unsigned char chipid; + + /* init chipid register with 0xFF in case fmradio_i2c_read fails silently */ + buf[3] = 0xFF; + if (fmradio_i2c_read(I2C_ADR, buf, sizeof(buf)) < 0) { + /* no i2c device detected */ + tuner_present = false; + } else { + /* check chip id */ + chipid = buf[3] & 0x0F; + tuner_present = (chipid == 0); + } +#endif +} + void tea5767_dbg_info(struct tea5767_dbg_info *info) { fmradio_i2c_read(I2C_ADR, info->read_regs, 5); diff --git a/firmware/export/tea5767.h b/firmware/export/tea5767.h index eee469d1ea..64dd266311 100644 --- a/firmware/export/tea5767.h +++ b/firmware/export/tea5767.h @@ -32,6 +32,7 @@ struct tea5767_dbg_info unsigned char write_regs[5]; }; +void tea5767_init(void); int tea5767_set(int setting, int value); int tea5767_get(int setting); void tea5767_dbg_info(struct tea5767_dbg_info *info); diff --git a/firmware/tuner.c b/firmware/tuner.c index e08cef46ff..278584264b 100644 --- a/firmware/tuner.c +++ b/firmware/tuner.c @@ -74,7 +74,8 @@ void tuner_init(void) #if (CONFIG_TUNER & TEA5767) TUNER_TYPE_CASE(TEA5767, tea5767_set, - tea5767_get) + tea5767_get, + tea5767_init()) #endif #if (CONFIG_TUNER & S1A0903X01) TUNER_TYPE_CASE(S1A0903X01, |