24 	 * NTSC Color subcarrier freq * 8 =  in set_audclk_freq()
25 	 *	4.5 MHz/286 * 455/2 * 8 = 28.63636363... MHz  in set_audclk_freq()
74 			/* 0x1.f77f = (4 * xtal/8*2/455) / 32000 */  in set_audclk_freq()
82 			/* AUD_COUNT = 0x2fff = 8 samples * 4 * 384 - 1 */  in set_audclk_freq()
87 			 * VID_COUNT = 0x0d2ef8 = 107999.000 * 8 =  in set_audclk_freq()
88 			 *  ((8 samples/32,000) * (13,500,000 * 8) * 4 - 1) * 8  in set_audclk_freq()
109 			/* 0x1.6d59 = (4 * xtal/8*2/455) / 44100 */  in set_audclk_freq()
122 			 * VID_COUNT = 0x1d4bf8 = 239999.000 * 8 =  in set_audclk_freq()
123 			 *  ((49 samples/44,100) * (13,500,000 * 8) * 2 - 1) * 8  in set_audclk_freq()
144 			/* 0x1.4faa = (4 * xtal/8*2/455) / 48000 */  in set_audclk_freq()
157 			 * VID_COUNT = 0x1193f8 = 143999.000 * 8 =  in set_audclk_freq()
158 			 *  ((4 samples/48,000) * (13,500,000 * 8) * 16 - 1) * 8  in set_audclk_freq()
193 			/* AUD_COUNT = 0x1fff = 8 samples * 4 * 256 - 1 */  in set_audclk_freq()
198 			 * VID_COUNT = 0x0d2ef8 = 107999.000 * 8 =  in set_audclk_freq()
199 			 *  ((8 samples/32,000) * (13,500,000 * 8) * 4 - 1) * 8  in set_audclk_freq()
237 			 * VID_COUNT = 0x1d4bf8 = 239999.000 * 8 =  in set_audclk_freq()
238 			 *  ((49 samples/44,100) * (13,500,000 * 8) * 2 - 1) * 8  in set_audclk_freq()
276 			 * VID_COUNT = 0x1193f8 = 143999.000 * 8 =  in set_audclk_freq()
277 			 *  ((4 samples/48,000) * (13,500,000 * 8) * 16 - 1) * 8  in set_audclk_freq()
292 	u8 v;  in cx18_av_audio_set_path()  local
295 	v = cx18_av_read(cx, 0x803) & ~0x10;  in cx18_av_audio_set_path()
296 	cx18_av_write_expect(cx, 0x803, v, v, 0x1f);  in cx18_av_audio_set_path()
299 	v = cx18_av_read(cx, 0x810) | 0x01;  in cx18_av_audio_set_path()
300 	cx18_av_write_expect(cx, 0x810, v, v, 0x0f);  in cx18_av_audio_set_path()
320 	v = cx18_av_read(cx, 0x810) & ~0x01;  in cx18_av_audio_set_path()
321 	cx18_av_write_expect(cx, 0x810, v, v, 0x0f);  in cx18_av_audio_set_path()
326 		v = cx18_av_read(cx, 0x803) | 0x10;  in cx18_av_audio_set_path()
327 		cx18_av_write_expect(cx, 0x803, v, v, 0x1f);  in cx18_av_audio_set_path()
361 	int bal = balance >> 8;  in set_balance()
378 	u8 v;  in set_mute()  local
385 		v = cx18_av_read(cx, 0x803);  in set_mute()
388 			v &= ~0x10;  in set_mute()
389 			cx18_av_write_expect(cx, 0x803, v, v, 0x1f);  in set_mute()
393 			v |= 0x10;  in set_mute()
394 			cx18_av_write_expect(cx, 0x803, v, v, 0x1f);  in set_mute()
407 	u8 v;  in cx18_av_s_clock_freq()  local
410 		v = cx18_av_read(cx, 0x803) & ~0x10;  in cx18_av_s_clock_freq()
411 		cx18_av_write_expect(cx, 0x803, v, v, 0x1f);  in cx18_av_s_clock_freq()
414 	v = cx18_av_read(cx, 0x810) | 0x1;  in cx18_av_s_clock_freq()
415 	cx18_av_write_expect(cx, 0x810, v, v, 0x0f);  in cx18_av_s_clock_freq()
419 	v = cx18_av_read(cx, 0x810) & ~0x1;  in cx18_av_s_clock_freq()
420 	cx18_av_write_expect(cx, 0x810, v, v, 0x0f);  in cx18_av_s_clock_freq()
422 		v = cx18_av_read(cx, 0x803) | 0x10;  in cx18_av_s_clock_freq()
423 		cx18_av_write_expect(cx, 0x803, v, v, 0x1f);  in cx18_av_s_clock_freq()