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author | Szymon Dziok <b0hoon@o2.pl> | 2016-01-12 00:03:22 +0100 |
---|---|---|
committer | Solomon Peachy <pizza@shaftnet.org> | 2024-06-23 20:11:59 -0400 |
commit | f7a3b4dfa32f008ba25a84e332eeace8d35cff42 (patch) | |
tree | f0f72b360ee454e7f1fb72b9447e49059194e031 /firmware/drivers/tuner | |
parent | 8f75b29aed8eeb901244a715595c93656dc18b72 (diff) | |
download | rockbox-f7a3b4dfa32f008ba25a84e332eeace8d35cff42.tar.gz rockbox-f7a3b4dfa32f008ba25a84e332eeace8d35cff42.zip |
Radio support and detection for Samsung YH92X [FOR TESTING].
Status:
- tested on:
Samsung YH920 - it uses this detection too, it always should have
the radio.
Samsung YH925 with the radio.
- untested on:
Samsung YH925 without the radio.
Change-Id: I68b39c09d6b7e26a4c373fbd8bf9401a97e86123
Diffstat (limited to 'firmware/drivers/tuner')
-rw-r--r-- | firmware/drivers/tuner/tea5767.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/firmware/drivers/tuner/tea5767.c b/firmware/drivers/tuner/tea5767.c index a502e79802..143cb0576b 100644 --- a/firmware/drivers/tuner/tea5767.c +++ b/firmware/drivers/tuner/tea5767.c | |||
@@ -171,17 +171,26 @@ int tea5767_get(int setting) | |||
171 | void tea5767_init(void) | 171 | void tea5767_init(void) |
172 | { | 172 | { |
173 | /* save binsize by only detecting presence for targets where it may be absent */ | 173 | /* save binsize by only detecting presence for targets where it may be absent */ |
174 | #if defined(PHILIPS_HDD1630) || defined(PHILIPS_HDD6330) | 174 | #if defined(PHILIPS_HDD1630) || defined(PHILIPS_HDD6330) ||\ |
175 | defined(SAMSUNG_YH920) || defined(SAMSUNG_YH925) | ||
175 | unsigned char buf[5]; | 176 | unsigned char buf[5]; |
176 | unsigned char chipid; | 177 | unsigned char chipid; |
177 | 178 | ||
178 | /* init chipid register with 0xFF in case fmradio_i2c_read fails silently */ | ||
179 | buf[3] = 0xFF; | ||
180 | tuner_power(true); | 179 | tuner_power(true); |
181 | 180 | ||
182 | #if defined(CONFIG_TUNER_3WIRE) | 181 | #if defined(CONFIG_TUNER_3WIRE) |
182 | /* We don't have any control over the bus protocol, the only way to detect | ||
183 | presence of the tuner is to write something to it and then read bytes */ | ||
184 | tea5767_set(RADIO_MUTE, 1); | ||
183 | int res = fmradio_3wire_read(buf); | 185 | int res = fmradio_3wire_read(buf); |
186 | res = ((buf[0] == 0) && (buf[1] == 0) && (buf[2] == 0) && (buf[3] == 0) | ||
187 | && (buf[4] == 0) && (buf[5] == 0)) ? -1 : 1; | ||
188 | /* clear chipid byte - we don't use it here for detection, so it should be */ | ||
189 | /* set to zero, to fulfill the condition in "else" block */ | ||
190 | buf[3] = 0; | ||
184 | #else | 191 | #else |
192 | /* init chipid register with 0xFF in case fmradio_i2c_read fails silently */ | ||
193 | buf[3] = 0xFF; | ||
185 | int res = fmradio_i2c_read(I2C_ADR, buf, sizeof(buf)); | 194 | int res = fmradio_i2c_read(I2C_ADR, buf, sizeof(buf)); |
186 | #endif | 195 | #endif |
187 | 196 | ||