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>
This commit is contained in:
Ben Stanley 2008-12-12 09:47:13 +11:00 committed by Takashi Iwai
parent 42a73df435
commit f649a7145b

View File

@ -664,10 +664,14 @@ struct snd_ca0106_pcm {
struct snd_ca0106_details {
u32 serial;
char * name;
int ac97;
int gpio_type;
int i2c_adc;
int spi_dac;
int ac97; /* ac97 = 0 -> Select MIC, Line in, TAD in, AUX in.
ac97 = 1 -> Default to AC97 in. */
int gpio_type; /* gpio_type = 1 -> shared mic-in/line-in
gpio_type = 2 -> shared side-out/line-in. */
int i2c_adc; /* with i2c_adc=1, the driver adds some capture volume
controls, phone, mic, line-in and aux. */
int spi_dac; /* spi_dac=1 adds the mute switch for each analog
output, front, rear, etc. */
};
// definition of the chip-specific record