ALSA: ca0106 Add comments to snd_ca0106_details struct
Takashi wrote an email [1] explaining the fields of snd_ca0106_details, so I captured the information into the ca0106.h header file. [1] http://article.gmane.org/gmane.linux.alsa.devel/56783/match=takashi+gpio_type Signed-off-by: Ben Stanley <Ben.Stanley@exemail.com.au> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -664,10 +664,14 @@ struct snd_ca0106_pcm {
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struct snd_ca0106_details {
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u32 serial;
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char * name;
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int ac97;
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int gpio_type;
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int i2c_adc;
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int spi_dac;
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int ac97; /* ac97 = 0 -> Select MIC, Line in, TAD in, AUX in.
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ac97 = 1 -> Default to AC97 in. */
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int gpio_type; /* gpio_type = 1 -> shared mic-in/line-in
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gpio_type = 2 -> shared side-out/line-in. */
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int i2c_adc; /* with i2c_adc=1, the driver adds some capture volume
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controls, phone, mic, line-in and aux. */
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int spi_dac; /* spi_dac=1 adds the mute switch for each analog
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output, front, rear, etc. */
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};
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// definition of the chip-specific record
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