static void ps3av_cnv_ns()

in ps3av_cmd.c [501:545]

• 42 lines of code
• 15 McCabe index (conditional complexity)

static void ps3av_cnv_ns(u8 *ns, u32 fs, u32 video_vid)
{
	u32 av_vid, ns_val;
	int d;

	d = ns_val = 0;
	av_vid = ps3av_vid_video2av(video_vid);
	switch (av_vid) {
	case PS3AV_CMD_AV_VID_480I:
	case PS3AV_CMD_AV_VID_576I:
		d = 0;
		break;
	case PS3AV_CMD_AV_VID_480P:
	case PS3AV_CMD_AV_VID_576P:
		d = 1;
		break;
	case PS3AV_CMD_AV_VID_1080I_60HZ:
	case PS3AV_CMD_AV_VID_1080I_50HZ:
		d = 2;
		break;
	case PS3AV_CMD_AV_VID_720P_60HZ:
	case PS3AV_CMD_AV_VID_720P_50HZ:
		d = 3;
		break;
	case PS3AV_CMD_AV_VID_1080P_60HZ:
	case PS3AV_CMD_AV_VID_1080P_50HZ:
	case PS3AV_CMD_AV_VID_WXGA:
	case PS3AV_CMD_AV_VID_SXGA:
	case PS3AV_CMD_AV_VID_WUXGA:
		d = 4;
		break;
	default:
		printk(KERN_ERR "%s failed, vid:%x\n", __func__, video_vid);
		break;
	}

	if (fs < PS3AV_CMD_AUDIO_FS_44K || fs > PS3AV_CMD_AUDIO_FS_192K)
		printk(KERN_ERR "%s failed, fs:%x\n", __func__, fs);
	else
		ns_val = ps3av_ns_table[PS3AV_CMD_AUDIO_FS_44K-BASE][d];

	*ns++ = ns_val & 0x000000FF;
	*ns++ = (ns_val & 0x0000FF00) >> 8;
	*ns = (ns_val & 0x00FF0000) >> 16;
}