ALSA: bebob: fix wrong decoding of clock information for Terratec PHASE 88 Rack FW
Terratec PHASE 88 rack fw has two registers for source of clock, one is for internal/external, and another is for wordclock/spdif for external. When clock source is internal, information in another register has no meaning. Thus it must be ignored, but current implementation decodes it. This causes over-indexing reference to labels. Reported-by: András Murányi <muranyia@gmail.com> Tested-by: András Murányi <muranyia@gmail.com> Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Acked-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -24,7 +24,12 @@ phase88_rack_clk_src_get(struct snd_bebob *bebob, unsigned int *id)
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if (err < 0)
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goto end;
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*id = (enable_ext & 0x01) | ((enable_word & 0x01) << 1);
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if (enable_ext == 0)
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*id = 0;
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else if (enable_word == 0)
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*id = 1;
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else
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*id = 2;
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end:
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return err;
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}
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