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- tea5767 detection
- Tuesday, November 2nd, 2010 at 12:57:56pm MDT
- Index: firmware/export/tea5767.h
- ===================================================================
- --- firmware/export/tea5767.h (revision 28449)
- +++ firmware/export/tea5767.h (working copy)
- @@ -32,6 +32,7 @@
- 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);
- Index: firmware/drivers/tuner/tea5767.c
- ===================================================================
- --- firmware/drivers/tuner/tea5767.c (revision 28449)
- +++ firmware/drivers/tuner/tea5767.c (working copy)
- @@ -34,6 +34,7 @@
- #define I2C_ADR 0xC0
- #endif
- +static bool tuner_present = false;
- 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 @@
- switch(setting)
- {
- case RADIO_PRESENT:
- - val = 1; /* true */
- + val = tuner_present ? 1 : 0;
- break;
- case RADIO_TUNED:
- @@ -136,6 +137,24 @@
- return val;
- }
- +void tea5767_init(void)
- +{
- + unsigned char buf[5];
- + unsigned char chipid;
- +
- + /* read all registers */
- + if (fmradio_i2c_read(I2C_ADR, buf, sizeof(buf)) < 0) {
- + /* no i2c device detected */
- + return;
- + }
- +
- + /* check device id */
- + chipid = (buf[3] >> 1) & 7;
- + if (chipid == 0) {
- + tuner_present = true;
- + }
- +}
- +
- void tea5767_dbg_info(struct tea5767_dbg_info *info)
- {
- fmradio_i2c_read(I2C_ADR, info->read_regs, 5);
- Index: firmware/tuner.c
- ===================================================================
- --- firmware/tuner.c (revision 28449)
- +++ firmware/tuner.c (working copy)
- @@ -74,7 +74,8 @@
- #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,
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