Commit 8e8311b0 authored by Sasha Khapyorsky's avatar Sasha Khapyorsky Committed by Jaroslav Kysela
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[ALSA] Fix MC97 codec initialization 



AC97 Codec
This (especially 12000 -> 8000 sample rate replace) fix popular
'MC97 converters.. not ready' error with modem codecs initializations.

Signed-off-by: default avatarSasha Khapyorsky <sashak@smlink.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 2c56c47f

sound/pci/ac97/ac97_codec.c

+5 −5
Original line number Diff line number Diff line
@@ -1964,21 +1964,21 @@ int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97) 
		/* note: it's important to set the rate at first */

		tmp = AC97_MEA_GPIO;

		if (ac97->ext_mid & AC97_MEI_LINE1) {

			snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 12000);

			snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);

			tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;

		}

		if (ac97->ext_mid & AC97_MEI_LINE2) {

			snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 12000);

			snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);

			tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;

		}

		if (ac97->ext_mid & AC97_MEI_HANDSET) {

			snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 12000);

			snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);

			tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;

		}

		snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0xff00 & ~(tmp << 8));

		snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);

		udelay(100);

		/* nothing should be in powerdown mode */

		snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0xff00 & ~(tmp << 8));

		snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);

		end_time = jiffies + (HZ / 10);

		do {

			if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)

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