korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-28 13:34:38 +08:00
Code Issues Packages Projects Releases Wiki Activity

[media] af9035: correct demod i2c addresses

Browse Source 
Chip uses so called 8-bit i2c addresses, but on bus there is of
course correct 7-bit addresses with rw bit as lsb - verified
with oscilloscope.

Lets still use correct addresses in driver.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Antti Palosaari 2016-11-07 02:01:03 -02:00 committed by Mauro Carvalho Chehab
parent 8efb34b280
commit a71e479c13
1 changed files with 9 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/media/usb/dvb-usb-v2/af9035.c
View File

@ -772,9 +772,9 @@ static int af9035_download_firmware(struct dvb_usb_device *d,
/* tell the slave I2C address */
tmp = state->eeprom[EEPROM_2ND_DEMOD_ADDR];
/* use default I2C address if eeprom has no address set */
/* Use default I2C address if eeprom has no address set */
if (!tmp)
tmp = 0x3a;
tmp = 0x1d << 1; /* 8-bit format used by chip */
if ((state->chip_type == 0x9135) ||
(state->chip_type == 0x9306)) {
@ -837,9 +837,9 @@ static int af9035_read_config(struct dvb_usb_device *d)
u8 tmp;
u16 tmp16;
/* demod I2C "address" */
state->af9033_i2c_addr[0] = 0x38;
state->af9033_i2c_addr[1] = 0x3a;
/* Demod I2C address */
state->af9033_i2c_addr[0] = 0x1c;
state->af9033_i2c_addr[1] = 0x1d;
state->af9033_config[0].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
state->af9033_config[1].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
state->af9033_config[0].ts_mode = AF9033_TS_MODE_USB;
@ -878,12 +878,13 @@ static int af9035_read_config(struct dvb_usb_device *d)
state->ir_type = state->eeprom[EEPROM_IR_TYPE];
if (state->dual_mode) {
/* read 2nd demodulator I2C address */
/* Read 2nd demodulator I2C address. 8-bit format on eeprom */
tmp = state->eeprom[EEPROM_2ND_DEMOD_ADDR];
if (tmp)
state->af9033_i2c_addr[1] = tmp;
state->af9033_i2c_addr[1] = tmp >> 1;
dev_dbg(&intf->dev, "2nd demod I2C addr=%02x\n", tmp);
dev_dbg(&intf->dev, "2nd demod I2C addr=%02x\n",
state->af9033_i2c_addr[1]);
}
for (i = 0; i < state->dual_mode + 1; i++) {