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path: root/drivers/media/video/cx231xx/cx231xx-avcore.c
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Diffstat (limited to 'drivers/media/video/cx231xx/cx231xx-avcore.c')
-rw-r--r--drivers/media/video/cx231xx/cx231xx-avcore.c148
1 files changed, 68 insertions, 80 deletions
diff --git a/drivers/media/video/cx231xx/cx231xx-avcore.c b/drivers/media/video/cx231xx/cx231xx-avcore.c
index 53ff26e7abf7..b085a3c6dc04 100644
--- a/drivers/media/video/cx231xx/cx231xx-avcore.c
+++ b/drivers/media/video/cx231xx/cx231xx-avcore.c
@@ -934,33 +934,29 @@ int cx231xx_set_decoder_video_input(struct cx231xx *dev,
void cx231xx_enable656(struct cx231xx *dev)
{
u8 temp = 0;
- int status;
/*enable TS1 data[0:7] as output to export 656*/
- status = vid_blk_write_byte(dev, TS1_PIN_CTL0, 0xFF);
+ vid_blk_write_byte(dev, TS1_PIN_CTL0, 0xFF);
/*enable TS1 clock as output to export 656*/
- status = vid_blk_read_byte(dev, TS1_PIN_CTL1, &temp);
+ vid_blk_read_byte(dev, TS1_PIN_CTL1, &temp);
temp = temp|0x04;
- status = vid_blk_write_byte(dev, TS1_PIN_CTL1, temp);
-
+ vid_blk_write_byte(dev, TS1_PIN_CTL1, temp);
}
EXPORT_SYMBOL_GPL(cx231xx_enable656);
void cx231xx_disable656(struct cx231xx *dev)
{
u8 temp = 0;
- int status;
-
- status = vid_blk_write_byte(dev, TS1_PIN_CTL0, 0x00);
+ vid_blk_write_byte(dev, TS1_PIN_CTL0, 0x00);
- status = vid_blk_read_byte(dev, TS1_PIN_CTL1, &temp);
+ vid_blk_read_byte(dev, TS1_PIN_CTL1, &temp);
temp = temp&0xFB;
- status = vid_blk_write_byte(dev, TS1_PIN_CTL1, temp);
+ vid_blk_write_byte(dev, TS1_PIN_CTL1, temp);
}
EXPORT_SYMBOL_GPL(cx231xx_disable656);
@@ -1320,117 +1316,115 @@ void update_HH_register_after_set_DIF(struct cx231xx *dev)
void cx231xx_dump_HH_reg(struct cx231xx *dev)
{
- u8 status = 0;
u32 value = 0;
u16 i = 0;
value = 0x45005390;
- status = vid_blk_write_word(dev, 0x104, value);
+ vid_blk_write_word(dev, 0x104, value);
for (i = 0x100; i < 0x140; i++) {
- status = vid_blk_read_word(dev, i, &value);
+ vid_blk_read_word(dev, i, &value);
cx231xx_info("reg0x%x=0x%x\n", i, value);
i = i+3;
}
for (i = 0x300; i < 0x400; i++) {
- status = vid_blk_read_word(dev, i, &value);
+ vid_blk_read_word(dev, i, &value);
cx231xx_info("reg0x%x=0x%x\n", i, value);
i = i+3;
}
for (i = 0x400; i < 0x440; i++) {
- status = vid_blk_read_word(dev, i, &value);
+ vid_blk_read_word(dev, i, &value);
cx231xx_info("reg0x%x=0x%x\n", i, value);
i = i+3;
}
- status = vid_blk_read_word(dev, AFE_CTRL_C2HH_SRC_CTRL, &value);
+ vid_blk_read_word(dev, AFE_CTRL_C2HH_SRC_CTRL, &value);
cx231xx_info("AFE_CTRL_C2HH_SRC_CTRL=0x%x\n", value);
vid_blk_write_word(dev, AFE_CTRL_C2HH_SRC_CTRL, 0x4485D390);
- status = vid_blk_read_word(dev, AFE_CTRL_C2HH_SRC_CTRL, &value);
+ vid_blk_read_word(dev, AFE_CTRL_C2HH_SRC_CTRL, &value);
cx231xx_info("AFE_CTRL_C2HH_SRC_CTRL=0x%x\n", value);
}
void cx231xx_dump_SC_reg(struct cx231xx *dev)
{
u8 value[4] = { 0, 0, 0, 0 };
- int status = 0;
cx231xx_info("cx231xx_dump_SC_reg!\n");
- status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, BOARD_CFG_STAT,
+ cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, BOARD_CFG_STAT,
value, 4);
cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", BOARD_CFG_STAT, value[0],
value[1], value[2], value[3]);
- status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS_MODE_REG,
+ cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS_MODE_REG,
value, 4);
cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", TS_MODE_REG, value[0],
value[1], value[2], value[3]);
- status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS1_CFG_REG,
+ cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS1_CFG_REG,
value, 4);
cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", TS1_CFG_REG, value[0],
value[1], value[2], value[3]);
- status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS1_LENGTH_REG,
+ cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS1_LENGTH_REG,
value, 4);
cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", TS1_LENGTH_REG, value[0],
value[1], value[2], value[3]);
- status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS2_CFG_REG,
+ cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS2_CFG_REG,
value, 4);
cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", TS2_CFG_REG, value[0],
value[1], value[2], value[3]);
- status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS2_LENGTH_REG,
+ cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, TS2_LENGTH_REG,
value, 4);
cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", TS2_LENGTH_REG, value[0],
value[1], value[2], value[3]);
- status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, EP_MODE_SET,
+ cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, EP_MODE_SET,
value, 4);
cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", EP_MODE_SET, value[0],
value[1], value[2], value[3]);
- status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_PTN1,
+ cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_PTN1,
value, 4);
cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_PTN1, value[0],
value[1], value[2], value[3]);
- status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_PTN2,
+ cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_PTN2,
value, 4);
cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_PTN2, value[0],
value[1], value[2], value[3]);
- status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_PTN3,
+ cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_PTN3,
value, 4);
cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_PTN3, value[0],
value[1], value[2], value[3]);
- status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_MASK0,
+ cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_MASK0,
value, 4);
cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_MASK0, value[0],
value[1], value[2], value[3]);
- status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_MASK1,
+ cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_MASK1,
value, 4);
cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_MASK1, value[0],
value[1], value[2], value[3]);
- status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_MASK2,
+ cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_PWR_MASK2,
value, 4);
cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_PWR_MASK2, value[0],
value[1], value[2], value[3]);
- status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_GAIN,
+ cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_GAIN,
value, 4);
cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_GAIN, value[0],
value[1], value[2], value[3]);
- status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_CAR_REG,
+ cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_CAR_REG,
value, 4);
cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_CAR_REG, value[0],
value[1], value[2], value[3]);
- status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_OT_CFG1,
+ cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_OT_CFG1,
value, 4);
cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_OT_CFG1, value[0],
value[1], value[2], value[3]);
- status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_OT_CFG2,
+ cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, CIR_OT_CFG2,
value, 4);
cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", CIR_OT_CFG2, value[0],
value[1], value[2], value[3]);
- status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
+ cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN,
value, 4);
cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, value[0],
value[1], value[2], value[3]);
@@ -1441,18 +1435,15 @@ void cx231xx_dump_SC_reg(struct cx231xx *dev)
void cx231xx_Setup_AFE_for_LowIF(struct cx231xx *dev)
{
- u8 status = 0;
u8 value = 0;
-
-
- status = afe_read_byte(dev, ADC_STATUS2_CH3, &value);
+ afe_read_byte(dev, ADC_STATUS2_CH3, &value);
value = (value & 0xFE)|0x01;
- status = afe_write_byte(dev, ADC_STATUS2_CH3, value);
+ afe_write_byte(dev, ADC_STATUS2_CH3, value);
- status = afe_read_byte(dev, ADC_STATUS2_CH3, &value);
+ afe_read_byte(dev, ADC_STATUS2_CH3, &value);
value = (value & 0xFE)|0x00;
- status = afe_write_byte(dev, ADC_STATUS2_CH3, value);
+ afe_write_byte(dev, ADC_STATUS2_CH3, value);
/*
@@ -1464,44 +1455,43 @@ void cx231xx_Setup_AFE_for_LowIF(struct cx231xx *dev)
for low-if agc defect
*/
- status = afe_read_byte(dev, ADC_NTF_PRECLMP_EN_CH3, &value);
+ afe_read_byte(dev, ADC_NTF_PRECLMP_EN_CH3, &value);
value = (value & 0xFC)|0x00;
- status = afe_write_byte(dev, ADC_NTF_PRECLMP_EN_CH3, value);
+ afe_write_byte(dev, ADC_NTF_PRECLMP_EN_CH3, value);
- status = afe_read_byte(dev, ADC_INPUT_CH3, &value);
+ afe_read_byte(dev, ADC_INPUT_CH3, &value);
value = (value & 0xF9)|0x02;
- status = afe_write_byte(dev, ADC_INPUT_CH3, value);
+ afe_write_byte(dev, ADC_INPUT_CH3, value);
- status = afe_read_byte(dev, ADC_FB_FRCRST_CH3, &value);
+ afe_read_byte(dev, ADC_FB_FRCRST_CH3, &value);
value = (value & 0xFB)|0x04;
- status = afe_write_byte(dev, ADC_FB_FRCRST_CH3, value);
+ afe_write_byte(dev, ADC_FB_FRCRST_CH3, value);
- status = afe_read_byte(dev, ADC_DCSERVO_DEM_CH3, &value);
+ afe_read_byte(dev, ADC_DCSERVO_DEM_CH3, &value);
value = (value & 0xFC)|0x03;
- status = afe_write_byte(dev, ADC_DCSERVO_DEM_CH3, value);
+ afe_write_byte(dev, ADC_DCSERVO_DEM_CH3, value);
- status = afe_read_byte(dev, ADC_CTRL_DAC1_CH3, &value);
+ afe_read_byte(dev, ADC_CTRL_DAC1_CH3, &value);
value = (value & 0xFB)|0x04;
- status = afe_write_byte(dev, ADC_CTRL_DAC1_CH3, value);
+ afe_write_byte(dev, ADC_CTRL_DAC1_CH3, value);
- status = afe_read_byte(dev, ADC_CTRL_DAC23_CH3, &value);
+ afe_read_byte(dev, ADC_CTRL_DAC23_CH3, &value);
value = (value & 0xF8)|0x06;
- status = afe_write_byte(dev, ADC_CTRL_DAC23_CH3, value);
+ afe_write_byte(dev, ADC_CTRL_DAC23_CH3, value);
- status = afe_read_byte(dev, ADC_CTRL_DAC23_CH3, &value);
+ afe_read_byte(dev, ADC_CTRL_DAC23_CH3, &value);
value = (value & 0x8F)|0x40;
- status = afe_write_byte(dev, ADC_CTRL_DAC23_CH3, value);
+ afe_write_byte(dev, ADC_CTRL_DAC23_CH3, value);
- status = afe_read_byte(dev, ADC_PWRDN_CLAMP_CH3, &value);
+ afe_read_byte(dev, ADC_PWRDN_CLAMP_CH3, &value);
value = (value & 0xDF)|0x20;
- status = afe_write_byte(dev, ADC_PWRDN_CLAMP_CH3, value);
+ afe_write_byte(dev, ADC_PWRDN_CLAMP_CH3, value);
}
void cx231xx_set_Colibri_For_LowIF(struct cx231xx *dev, u32 if_freq,
u8 spectral_invert, u32 mode)
{
u32 colibri_carrier_offset = 0;
- u8 status = 0;
u32 func_mode = 0x01; /* Device has a DIF if this function is called */
u32 standard = 0;
u8 value[4] = { 0, 0, 0, 0 };
@@ -1511,15 +1501,15 @@ void cx231xx_set_Colibri_For_LowIF(struct cx231xx *dev, u32 if_freq,
value[1] = (u8) 0x6F;
value[2] = (u8) 0x6F;
value[3] = (u8) 0x6F;
- status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
+ cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
PWR_CTL_EN, value, 4);
/*Set colibri for low IF*/
- status = cx231xx_afe_set_mode(dev, AFE_MODE_LOW_IF);
+ cx231xx_afe_set_mode(dev, AFE_MODE_LOW_IF);
/* Set C2HH for low IF operation.*/
standard = dev->norm;
- status = cx231xx_dif_configure_C2HH_for_low_IF(dev, dev->active_mode,
+ cx231xx_dif_configure_C2HH_for_low_IF(dev, dev->active_mode,
func_mode, standard);
/* Get colibri offsets.*/
@@ -1556,7 +1546,6 @@ void cx231xx_set_DIF_bandpass(struct cx231xx *dev, u32 if_freq,
u8 spectral_invert, u32 mode)
{
unsigned long pll_freq_word;
- int status = 0;
u32 dif_misc_ctrl_value = 0;
u64 pll_freq_u64 = 0;
u32 i = 0;
@@ -1567,7 +1556,7 @@ void cx231xx_set_DIF_bandpass(struct cx231xx *dev, u32 if_freq,
if (mode == TUNER_MODE_FM_RADIO) {
pll_freq_word = 0x905A1CAC;
- status = vid_blk_write_word(dev, DIF_PLL_FREQ_WORD, pll_freq_word);
+ vid_blk_write_word(dev, DIF_PLL_FREQ_WORD, pll_freq_word);
} else /*KSPROPERTY_TUNER_MODE_TV*/{
/* Calculate the PLL frequency word based on the adjusted if_freq*/
@@ -1576,23 +1565,23 @@ void cx231xx_set_DIF_bandpass(struct cx231xx *dev, u32 if_freq,
do_div(pll_freq_u64, 50000000);
pll_freq_word = (u32)pll_freq_u64;
/*pll_freq_word = 0x3463497;*/
- status = vid_blk_write_word(dev, DIF_PLL_FREQ_WORD, pll_freq_word);
+ vid_blk_write_word(dev, DIF_PLL_FREQ_WORD, pll_freq_word);
if (spectral_invert) {
if_freq -= 400000;
/* Enable Spectral Invert*/
- status = vid_blk_read_word(dev, DIF_MISC_CTRL,
+ vid_blk_read_word(dev, DIF_MISC_CTRL,
&dif_misc_ctrl_value);
dif_misc_ctrl_value = dif_misc_ctrl_value | 0x00200000;
- status = vid_blk_write_word(dev, DIF_MISC_CTRL,
+ vid_blk_write_word(dev, DIF_MISC_CTRL,
dif_misc_ctrl_value);
} else {
if_freq += 400000;
/* Disable Spectral Invert*/
- status = vid_blk_read_word(dev, DIF_MISC_CTRL,
+ vid_blk_read_word(dev, DIF_MISC_CTRL,
&dif_misc_ctrl_value);
dif_misc_ctrl_value = dif_misc_ctrl_value & 0xFFDFFFFF;
- status = vid_blk_write_word(dev, DIF_MISC_CTRL,
+ vid_blk_write_word(dev, DIF_MISC_CTRL,
dif_misc_ctrl_value);
}
@@ -1606,10 +1595,10 @@ void cx231xx_set_DIF_bandpass(struct cx231xx *dev, u32 if_freq,
}
cx231xx_info("Enter IF=%zd\n",
- sizeof(Dif_set_array)/sizeof(struct dif_settings));
- for (i = 0; i < sizeof(Dif_set_array)/sizeof(struct dif_settings); i++) {
+ ARRAY_SIZE(Dif_set_array));
+ for (i = 0; i < ARRAY_SIZE(Dif_set_array); i++) {
if (Dif_set_array[i].if_freq == if_freq) {
- status = vid_blk_write_word(dev,
+ vid_blk_write_word(dev,
Dif_set_array[i].register_address, Dif_set_array[i].value);
}
}
@@ -3090,31 +3079,30 @@ int cx231xx_gpio_i2c_read(struct cx231xx *dev, u8 dev_addr, u8 *buf, u8 len)
*/
int cx231xx_gpio_i2c_write(struct cx231xx *dev, u8 dev_addr, u8 *buf, u8 len)
{
- int status = 0;
int i = 0;
/* get the lock */
mutex_lock(&dev->gpio_i2c_lock);
/* start */
- status = cx231xx_gpio_i2c_start(dev);
+ cx231xx_gpio_i2c_start(dev);
/* write dev_addr */
- status = cx231xx_gpio_i2c_write_byte(dev, dev_addr << 1);
+ cx231xx_gpio_i2c_write_byte(dev, dev_addr << 1);
/* read Ack */
- status = cx231xx_gpio_i2c_read_ack(dev);
+ cx231xx_gpio_i2c_read_ack(dev);
for (i = 0; i < len; i++) {
/* Write data */
- status = cx231xx_gpio_i2c_write_byte(dev, buf[i]);
+ cx231xx_gpio_i2c_write_byte(dev, buf[i]);
/* read Ack */
- status = cx231xx_gpio_i2c_read_ack(dev);
+ cx231xx_gpio_i2c_read_ack(dev);
}
/* write End */
- status = cx231xx_gpio_i2c_end(dev);
+ cx231xx_gpio_i2c_end(dev);
/* release the lock */
mutex_unlock(&dev->gpio_i2c_lock);
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-19 12:30:51 +0100