From da983503ba485e3ef50662a65d0d03e80a586387 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Mon, 14 May 2012 10:14:53 -0300 Subject: [PATCH] [media] cx231xx: fix compiler warnings MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-audio.c: In function ‘snd_cx231xx_hw_capture_params’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-audio.c:527:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-audio.c:526:31: warning: variable ‘format’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-audio.c:526:25: warning: variable ‘rate’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-audio.c:526:15: warning: variable ‘channels’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-audio.c: In function ‘snd_cx231xx_capture_trigger’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-audio.c:589:6: warning: variable ‘retval’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-video.c: In function ‘cx231xx_isoc_copy’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-video.c:331:17: warning: variable ‘outp’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-video.c: In function ‘cx231xx_bulk_copy’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-video.c:434:17: warning: variable ‘outp’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-video.c: In function ‘cx231xx_reset_video_buffer’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-video.c:704:7: warning: variable ‘outp’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-core.c: In function ‘cx231xx_set_mode’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-core.c:699:6: warning: variable ‘errCode’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-core.c: In function ‘cx231xx_ep5_bulkout’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-core.c:763:6: warning: variable ‘errCode’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-core.c: In function ‘cx231xx_isoc_irq_callback’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-core.c:800:6: warning: variable ‘rc’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-core.c: In function ‘cx231xx_bulk_irq_callback’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-core.c:846:6: warning: variable ‘rc’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-core.c: In function ‘cx231xx_stop_TS1’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-core.c:1234:6: warning: variable ‘status’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-core.c: In function ‘cx231xx_start_TS1’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-core.c:1254:6: warning: variable ‘status’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-avcore.c: In function ‘cx231xx_enable656’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-avcore.c:937:6: warning: variable ‘status’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-avcore.c: In function ‘cx231xx_disable656’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-avcore.c:955:6: warning: variable ‘status’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-avcore.c: In function ‘cx231xx_dump_HH_reg’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-avcore.c:1323:5: warning: variable ‘status’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-avcore.c: In function ‘cx231xx_dump_SC_reg’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-avcore.c:1358:6: warning: variable ‘status’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-avcore.c: In function ‘cx231xx_Setup_AFE_for_LowIF’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-avcore.c:1444:5: warning: variable ‘status’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-avcore.c: In function ‘cx231xx_set_Colibri_For_LowIF’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-avcore.c:1504:5: warning: variable ‘status’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-avcore.c: In function ‘cx231xx_set_DIF_bandpass’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-avcore.c:1559:6: warning: variable ‘status’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-avcore.c: In function ‘cx231xx_gpio_i2c_write’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-avcore.c:3093:6: warning: variable ‘status’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-417.c: In function ‘cx231xx_initialize_codec’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-417.c:1098:9: warning: variable ‘data’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-417.c: In function ‘vidioc_streamon’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-417.c:1795:6: warning: variable ‘rc’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-vbi.c: In function ‘cx231xx_isoc_vbi_copy’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-vbi.c:86:25: warning: variable ‘buf’ set but not used [-Wunused-but-set-variable] v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-vbi.c: In function ‘cx231xx_irq_vbi_callback’: v4l-dvb-git/drivers/media/video/cx231xx/cx231xx-vbi.c:313:6: warning: variable ‘rc’ set but not used [-Wunused-but-set-variable] Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx231xx/cx231xx-417.c | 18 ++-- drivers/media/video/cx231xx/cx231xx-audio.c | 18 ++-- drivers/media/video/cx231xx/cx231xx-avcore.c | 144 ++++++++++++--------------- drivers/media/video/cx231xx/cx231xx-core.c | 76 +++++++------- drivers/media/video/cx231xx/cx231xx-vbi.c | 6 +- drivers/media/video/cx231xx/cx231xx-video.c | 16 --- 6 files changed, 124 insertions(+), 154 deletions(-) diff --git a/drivers/media/video/cx231xx/cx231xx-417.c b/drivers/media/video/cx231xx/cx231xx-417.c index d4327da..ce2f622 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 a2c2b7d..068f78d 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 53ff26e..6e4bca2 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); } @@ -1609,7 +1598,7 @@ void cx231xx_set_DIF_bandpass(struct cx231xx *dev, u32 if_freq, sizeof(Dif_set_array)/sizeof(struct dif_settings)); for (i = 0; i < sizeof(Dif_set_array)/sizeof(struct dif_settings); 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 08dd930..05358d4 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 8cdee5f..3d15314 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 2a04558..523aa49 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; -- 2.7.4