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path: root/drivers/media/video/cx231xx
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-rw-r--r--drivers/media/video/cx231xx/cx231xx-417.c18
-rw-r--r--drivers/media/video/cx231xx/cx231xx-audio.c18
-rw-r--r--drivers/media/video/cx231xx/cx231xx-avcore.c148
-rw-r--r--drivers/media/video/cx231xx/cx231xx-core.c76
-rw-r--r--drivers/media/video/cx231xx/cx231xx-vbi.c6
-rw-r--r--drivers/media/video/cx231xx/cx231xx-video.c20
6 files changed, 130 insertions, 156 deletions
diff --git a/drivers/media/video/cx231xx/cx231xx-417.c b/drivers/media/video/cx231xx/cx231xx-417.c
index d4327dab5a36..ce2f62238a19 100644
--- a/drivers/media/video/cx231xx/cx231xx-417.c
+++ b/drivers/media/video/cx231xx/cx231xx-417.c
@@ -1095,7 +1095,7 @@ static int cx231xx_initialize_codec(struct cx231xx *dev)
{
int version;
int retval;
- u32 i, data[7];
+ u32 i;
u32 val = 0;
dprintk(1, "%s()\n", __func__);
@@ -1154,6 +1154,11 @@ static int cx231xx_initialize_codec(struct cx231xx *dev)
CX231xx_CUSTOM_EXTENSION_USR_DATA, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0);
*/
+
+#if 0
+ /* TODO */
+ u32 data[7];
+
/* Setup to capture VBI */
data[0] = 0x0001BD00;
data[1] = 1; /* frames per interrupt */
@@ -1162,7 +1167,7 @@ static int cx231xx_initialize_codec(struct cx231xx *dev)
data[4] = 0x206080C0; /* stop codes */
data[5] = 6; /* lines */
data[6] = 64; /* BPL */
-/*
+
cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_CONFIG, 7, 0, data[0], data[1],
data[2], data[3], data[4], data[5], data[6]);
@@ -1175,7 +1180,7 @@ static int cx231xx_initialize_codec(struct cx231xx *dev)
cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0,
i | 0x80000000, valid, 0, 0, 0);
}
-*/
+#endif
/* cx231xx_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, CX231xx_UNMUTE);
msleep(60);
*/
@@ -1792,17 +1797,16 @@ static int vidioc_streamon(struct file *file, void *priv,
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
- int rc = 0;
dprintk(3, "enter vidioc_streamon()\n");
cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
- rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
+ cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
if (dev->USE_ISO)
- rc = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS,
+ cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS,
CX231XX_NUM_BUFS,
dev->video_mode.max_pkt_size,
cx231xx_isoc_copy);
else {
- rc = cx231xx_init_bulk(dev, 320,
+ cx231xx_init_bulk(dev, 320,
5,
dev->ts1_mode.max_pkt_size,
cx231xx_bulk_copy);
diff --git a/drivers/media/video/cx231xx/cx231xx-audio.c b/drivers/media/video/cx231xx/cx231xx-audio.c
index a2c2b7d343ec..068f78dc5d13 100644
--- a/drivers/media/video/cx231xx/cx231xx-audio.c
+++ b/drivers/media/video/cx231xx/cx231xx-audio.c
@@ -523,21 +523,24 @@ static int snd_cx231xx_pcm_close(struct snd_pcm_substream *substream)
static int snd_cx231xx_hw_capture_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
- unsigned int channels, rate, format;
int ret;
dprintk("Setting capture parameters\n");
ret = snd_pcm_alloc_vmalloc_buffer(substream,
params_buffer_bytes(hw_params));
+#if 0
+ /* TODO: set up cx231xx audio chip to deliver the correct audio format,
+ current default is 48000hz multiplexed => 96000hz mono
+ which shouldn't matter since analogue TV only supports mono */
+ unsigned int channels, rate, format;
+
format = params_format(hw_params);
rate = params_rate(hw_params);
channels = params_channels(hw_params);
+#endif
- /* TODO: set up cx231xx audio chip to deliver the correct audio format,
- current default is 48000hz multiplexed => 96000hz mono
- which shouldn't matter since analogue TV only supports mono */
- return 0;
+ return ret;
}
static int snd_cx231xx_hw_capture_free(struct snd_pcm_substream *substream)
@@ -586,7 +589,7 @@ static int snd_cx231xx_capture_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct cx231xx *dev = snd_pcm_substream_chip(substream);
- int retval;
+ int retval = 0;
if (dev->state & DEV_DISCONNECTED)
return -ENODEV;
@@ -601,12 +604,13 @@ static int snd_cx231xx_capture_trigger(struct snd_pcm_substream *substream,
break;
default:
retval = -EINVAL;
+ break;
}
spin_unlock(&dev->adev.slock);
schedule_work(&dev->wq_trigger);
- return 0;
+ return retval;
}
static snd_pcm_uframes_t snd_cx231xx_capture_pointer(struct snd_pcm_substream
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);
diff --git a/drivers/media/video/cx231xx/cx231xx-core.c b/drivers/media/video/cx231xx/cx231xx-core.c
index 08dd930f882a..05358d486135 100644
--- a/drivers/media/video/cx231xx/cx231xx-core.c
+++ b/drivers/media/video/cx231xx/cx231xx-core.c
@@ -754,7 +754,7 @@ int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode)
}
}
- return 0;
+ return errCode ? -EINVAL : 0;
}
EXPORT_SYMBOL_GPL(cx231xx_set_mode);
@@ -764,7 +764,7 @@ int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size)
int actlen, ret = -ENOMEM;
u32 *buffer;
-buffer = kzalloc(4096, GFP_KERNEL);
+ buffer = kzalloc(4096, GFP_KERNEL);
if (buffer == NULL) {
cx231xx_info("out of mem\n");
return -ENOMEM;
@@ -772,16 +772,16 @@ buffer = kzalloc(4096, GFP_KERNEL);
memcpy(&buffer[0], firmware, 4096);
ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5),
- buffer, 4096, &actlen, 2000);
+ buffer, 4096, &actlen, 2000);
if (ret)
cx231xx_info("bulk message failed: %d (%d/%d)", ret,
- size, actlen);
+ size, actlen);
else {
errCode = actlen != size ? -1 : 0;
}
-kfree(buffer);
- return 0;
+ kfree(buffer);
+ return errCode;
}
/*****************************************************************
@@ -797,7 +797,7 @@ static void cx231xx_isoc_irq_callback(struct urb *urb)
struct cx231xx_video_mode *vmode =
container_of(dma_q, struct cx231xx_video_mode, vidq);
struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
- int rc, i;
+ int i;
switch (urb->status) {
case 0: /* success */
@@ -814,7 +814,7 @@ static void cx231xx_isoc_irq_callback(struct urb *urb)
/* Copy data from URB */
spin_lock(&dev->video_mode.slock);
- rc = dev->video_mode.isoc_ctl.isoc_copy(dev, urb);
+ dev->video_mode.isoc_ctl.isoc_copy(dev, urb);
spin_unlock(&dev->video_mode.slock);
/* Reset urb buffers */
@@ -822,7 +822,6 @@ static void cx231xx_isoc_irq_callback(struct urb *urb)
urb->iso_frame_desc[i].status = 0;
urb->iso_frame_desc[i].actual_length = 0;
}
- urb->status = 0;
urb->status = usb_submit_urb(urb, GFP_ATOMIC);
if (urb->status) {
@@ -843,7 +842,6 @@ static void cx231xx_bulk_irq_callback(struct urb *urb)
struct cx231xx_video_mode *vmode =
container_of(dma_q, struct cx231xx_video_mode, vidq);
struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
- int rc;
switch (urb->status) {
case 0: /* success */
@@ -860,12 +858,10 @@ static void cx231xx_bulk_irq_callback(struct urb *urb)
/* Copy data from URB */
spin_lock(&dev->video_mode.slock);
- rc = dev->video_mode.bulk_ctl.bulk_copy(dev, urb);
+ dev->video_mode.bulk_ctl.bulk_copy(dev, urb);
spin_unlock(&dev->video_mode.slock);
/* Reset urb buffers */
- urb->status = 0;
-
urb->status = usb_submit_urb(urb, GFP_ATOMIC);
if (urb->status) {
cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
@@ -1231,42 +1227,40 @@ int cx231xx_init_bulk(struct cx231xx *dev, int max_packets,
EXPORT_SYMBOL_GPL(cx231xx_init_bulk);
void cx231xx_stop_TS1(struct cx231xx *dev)
{
- int status = 0;
u8 val[4] = { 0, 0, 0, 0 };
- val[0] = 0x00;
- val[1] = 0x03;
- val[2] = 0x00;
- val[3] = 0x00;
- status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
- TS_MODE_REG, val, 4);
-
- val[0] = 0x00;
- val[1] = 0x70;
- val[2] = 0x04;
- val[3] = 0x00;
- status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
- TS1_CFG_REG, val, 4);
+ val[0] = 0x00;
+ val[1] = 0x03;
+ val[2] = 0x00;
+ val[3] = 0x00;
+ cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
+ TS_MODE_REG, val, 4);
+
+ val[0] = 0x00;
+ val[1] = 0x70;
+ val[2] = 0x04;
+ val[3] = 0x00;
+ cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
+ TS1_CFG_REG, val, 4);
}
/* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */
void cx231xx_start_TS1(struct cx231xx *dev)
{
- int status = 0;
u8 val[4] = { 0, 0, 0, 0 };
- val[0] = 0x03;
- val[1] = 0x03;
- val[2] = 0x00;
- val[3] = 0x00;
- status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
- TS_MODE_REG, val, 4);
-
- val[0] = 0x04;
- val[1] = 0xA3;
- val[2] = 0x3B;
- val[3] = 0x00;
- status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
- TS1_CFG_REG, val, 4);
+ val[0] = 0x03;
+ val[1] = 0x03;
+ val[2] = 0x00;
+ val[3] = 0x00;
+ cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
+ TS_MODE_REG, val, 4);
+
+ val[0] = 0x04;
+ val[1] = 0xA3;
+ val[2] = 0x3B;
+ val[3] = 0x00;
+ cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
+ TS1_CFG_REG, val, 4);
}
/* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */
/*****************************************************************
diff --git a/drivers/media/video/cx231xx/cx231xx-vbi.c b/drivers/media/video/cx231xx/cx231xx-vbi.c
index 8cdee5f78f13..3d15314e1f88 100644
--- a/drivers/media/video/cx231xx/cx231xx-vbi.c
+++ b/drivers/media/video/cx231xx/cx231xx-vbi.c
@@ -83,7 +83,6 @@ static inline void print_err_status(struct cx231xx *dev, int packet, int status)
*/
static inline int cx231xx_isoc_vbi_copy(struct cx231xx *dev, struct urb *urb)
{
- struct cx231xx_buffer *buf;
struct cx231xx_dmaqueue *dma_q = urb->context;
int rc = 1;
unsigned char *p_buffer;
@@ -102,8 +101,6 @@ static inline int cx231xx_isoc_vbi_copy(struct cx231xx *dev, struct urb *urb)
return 0;
}
- buf = dev->vbi_mode.bulk_ctl.buf;
-
/* get buffer pointer and length */
p_buffer = urb->transfer_buffer;
buffer_size = urb->actual_length;
@@ -310,7 +307,6 @@ static void cx231xx_irq_vbi_callback(struct urb *urb)
struct cx231xx_video_mode *vmode =
container_of(dma_q, struct cx231xx_video_mode, vidq);
struct cx231xx *dev = container_of(vmode, struct cx231xx, vbi_mode);
- int rc;
switch (urb->status) {
case 0: /* success */
@@ -328,7 +324,7 @@ static void cx231xx_irq_vbi_callback(struct urb *urb)
/* Copy data from URB */
spin_lock(&dev->vbi_mode.slock);
- rc = dev->vbi_mode.bulk_ctl.bulk_copy(dev, urb);
+ dev->vbi_mode.bulk_ctl.bulk_copy(dev, urb);
spin_unlock(&dev->vbi_mode.slock);
/* Reset status */
diff --git a/drivers/media/video/cx231xx/cx231xx-video.c b/drivers/media/video/cx231xx/cx231xx-video.c
index 7f916f0685e9..523aa49d6b86 100644
--- a/drivers/media/video/cx231xx/cx231xx-video.c
+++ b/drivers/media/video/cx231xx/cx231xx-video.c
@@ -326,9 +326,7 @@ static inline void get_next_buf(struct cx231xx_dmaqueue *dma_q,
*/
static inline int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb)
{
- struct cx231xx_buffer *buf;
struct cx231xx_dmaqueue *dma_q = urb->context;
- unsigned char *outp = NULL;
int i, rc = 1;
unsigned char *p_buffer;
u32 bytes_parsed = 0, buffer_size = 0;
@@ -346,10 +344,6 @@ static inline int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb)
return 0;
}
- buf = dev->video_mode.isoc_ctl.buf;
- if (buf != NULL)
- outp = videobuf_to_vmalloc(&buf->vb);
-
for (i = 0; i < urb->number_of_packets; i++) {
int status = urb->iso_frame_desc[i].status;
@@ -429,9 +423,7 @@ static inline int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb)
static inline int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb)
{
- struct cx231xx_buffer *buf;
struct cx231xx_dmaqueue *dma_q = urb->context;
- unsigned char *outp = NULL;
int rc = 1;
unsigned char *p_buffer;
u32 bytes_parsed = 0, buffer_size = 0;
@@ -449,10 +441,6 @@ static inline int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb)
return 0;
}
- buf = dev->video_mode.bulk_ctl.buf;
- if (buf != NULL)
- outp = videobuf_to_vmalloc(&buf->vb);
-
if (1) {
/* get buffer pointer and length */
@@ -701,13 +689,9 @@ void cx231xx_reset_video_buffer(struct cx231xx *dev,
buf = dev->video_mode.bulk_ctl.buf;
if (buf == NULL) {
- u8 *outp = NULL;
/* first try to get the buffer */
get_next_buf(dma_q, &buf);
- if (buf)
- outp = videobuf_to_vmalloc(&buf->vb);
-
dma_q->pos = 0;
dma_q->field1_done = 0;
dma_q->current_field = -1;
@@ -2561,6 +2545,10 @@ static struct video_device *cx231xx_vdev_init(struct cx231xx *dev,
vfd->release = video_device_release;
vfd->debug = video_debug;
vfd->lock = &dev->lock;
+ /* Locking in file operations other than ioctl should be done
+ by the driver, not the V4L2 core.
+ This driver needs auditing so that this flag can be removed. */
+ set_bit(V4L2_FL_LOCK_ALL_FOPS, &vfd->flags);
snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.