diff options
Diffstat (limited to 'drivers/media/platform/davinci/vpif_display.c')
| -rw-r--r-- | drivers/media/platform/davinci/vpif_display.c | 39 |
1 files changed, 16 insertions, 23 deletions
diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c index 75b27233ec2f..e5f18448dbf7 100644 --- a/drivers/media/platform/davinci/vpif_display.c +++ b/drivers/media/platform/davinci/vpif_display.c @@ -271,10 +271,10 @@ static void vpif_stop_streaming(struct vb2_queue *vq) vb2_buffer_done(&common->cur_frm->vb.vb2_buf, VB2_BUF_STATE_ERROR); } else { - if (common->cur_frm != NULL) + if (common->cur_frm) vb2_buffer_done(&common->cur_frm->vb.vb2_buf, VB2_BUF_STATE_ERROR); - if (common->next_frm != NULL) + if (common->next_frm) vb2_buffer_done(&common->next_frm->vb.vb2_buf, VB2_BUF_STATE_ERROR); } @@ -301,7 +301,7 @@ static struct vb2_ops video_qops = { static void process_progressive_mode(struct common_obj *common) { - unsigned long addr = 0; + unsigned long addr; spin_lock(&common->irqlock); /* Get the next buffer from buffer queue */ @@ -363,7 +363,7 @@ static irqreturn_t vpif_channel_isr(int irq, void *dev_id) struct channel_obj *ch; struct common_obj *common; int fid = -1, i; - int channel_id = 0; + int channel_id; channel_id = *(int *)(dev_id); if (!vpif_intr_status(channel_id + 2)) @@ -686,7 +686,7 @@ static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) struct v4l2_output output; int ret; - if (config->chan_config[ch->channel_id].outputs == NULL) + if (!config->chan_config[ch->channel_id].outputs) return -ENODATA; chan_cfg = &config->chan_config[ch->channel_id]; @@ -732,7 +732,7 @@ static int vpif_g_std(struct file *file, void *priv, v4l2_std_id *std) struct vpif_display_chan_config *chan_cfg; struct v4l2_output output; - if (config->chan_config[ch->channel_id].outputs == NULL) + if (!config->chan_config[ch->channel_id].outputs) return -ENODATA; chan_cfg = &config->chan_config[ch->channel_id]; @@ -783,11 +783,11 @@ vpif_output_to_subdev(struct vpif_display_config *vpif_cfg, vpif_dbg(2, debug, "vpif_output_to_subdev\n"); - if (chan_cfg->outputs == NULL) + if (!chan_cfg->outputs) return -1; subdev_name = chan_cfg->outputs[index].subdev_name; - if (subdev_name == NULL) + if (!subdev_name) return -1; /* loop through the sub device list to get the sub device info */ @@ -833,7 +833,7 @@ static int vpif_set_output(struct vpif_display_config *vpif_cfg, } ch->output_idx = index; ch->sd = sd; - if (chan_cfg->outputs != NULL) + if (chan_cfg->outputs) /* update tvnorms from the sub device output info */ ch->video_dev.tvnorms = chan_cfg->outputs[index].output.std; return 0; @@ -885,7 +885,7 @@ vpif_enum_dv_timings(struct file *file, void *priv, struct v4l2_output output; int ret; - if (config->chan_config[ch->channel_id].outputs == NULL) + if (!config->chan_config[ch->channel_id].outputs) return -ENODATA; chan_cfg = &config->chan_config[ch->channel_id]; @@ -922,7 +922,7 @@ static int vpif_s_dv_timings(struct file *file, void *priv, struct v4l2_output output; int ret; - if (config->chan_config[ch->channel_id].outputs == NULL) + if (!config->chan_config[ch->channel_id].outputs) return -ENODATA; chan_cfg = &config->chan_config[ch->channel_id]; @@ -954,11 +954,7 @@ static int vpif_s_dv_timings(struct file *file, void *priv, timings->bt.vfrontporch && (timings->bt.vbackporch || timings->bt.vsync))) { - vpif_dbg(2, debug, "Timings for width, height, " - "horizontal back porch, horizontal sync, " - "horizontal front porch, vertical back porch, " - "vertical sync and vertical back porch " - "must be defined\n"); + vpif_dbg(2, debug, "Timings for width, height, horizontal back porch, horizontal sync, horizontal front porch, vertical back porch, vertical sync and vertical back porch must be defined\n"); return -EINVAL; } @@ -983,8 +979,7 @@ static int vpif_s_dv_timings(struct file *file, void *priv, std_info->l11 = std_info->vsize - (bt->il_vfrontporch - 1); } else { - vpif_dbg(2, debug, "Required timing values for " - "interlaced BT format missing\n"); + vpif_dbg(2, debug, "Required timing values for interlaced BT format missing\n"); return -EINVAL; } } else { @@ -1021,7 +1016,7 @@ static int vpif_g_dv_timings(struct file *file, void *priv, struct video_obj *vid_ch = &ch->video; struct v4l2_output output; - if (config->chan_config[ch->channel_id].outputs == NULL) + if (!config->chan_config[ch->channel_id].outputs) goto error; chan_cfg = &config->chan_config[ch->channel_id]; @@ -1279,10 +1274,8 @@ static __init int vpif_probe(struct platform_device *pdev) vpif_obj.config = pdev->dev.platform_data; subdev_count = vpif_obj.config->subdev_count; subdevdata = vpif_obj.config->subdevinfo; - vpif_obj.sd = kzalloc(sizeof(struct v4l2_subdev *) * subdev_count, - GFP_KERNEL); - if (vpif_obj.sd == NULL) { - vpif_err("unable to allocate memory for subdevice pointers\n"); + vpif_obj.sd = kcalloc(subdev_count, sizeof(*vpif_obj.sd), GFP_KERNEL); + if (!vpif_obj.sd) { err = -ENOMEM; goto vpif_unregister; } |