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Searched refs:amp_gpio (Results 1 – 2 of 2) sorted by relevance

/linux/sound/pci/
H A Dmaestro3.c49 static int amp_gpio[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1}; variable
59 module_param_array(amp_gpio, int, NULL, 0444);
60 MODULE_PARM_DESC(amp_gpio, "GPIO pin number for external amp. (default = -1)");
746 int amp_gpio; /* gpio pin # for external amp, -1 = default */ member
2219 polarity = polarity << chip->amp_gpio; in snd_m3_amp_enable()
2220 gpo = 1 << chip->amp_gpio; in snd_m3_amp_enable()
2479 int amp_gpio) in snd_m3_create() argument
2513 if (amp_gpio >= 0 && amp_gpio <= 0x0f) in snd_m3_create()
2514 chip->amp_gpio = amp_gpio; in snd_m3_create()
2520 chip->amp_gpio = quirk->value; in snd_m3_create()
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/linux/Documentation/sound/
H A Dalsa-configuration.rst1482 amp_gpio
1490 specify other gpio connection via amp_gpio option.
1491 For example, a Panasonic notebook might need ``amp_gpio=0x0d``