Searched refs:amp_gpio (Results 1 – 5 of 5) sorted by relevance
| /Linux-v5.4/sound/soc/samsung/ |
| D | s3c24xx_simtec.c | 85 gpio_set_value(pdata->amp_gpio, to); in spk_unmute_state()
134 if (pdata->amp_gpio > 0) { in simtec_audio_init()
246 if (pdata->amp_gpio > 0) { in attach_gpio_amp()
247 ret = gpio_request(pd->amp_gpio, "gpio-amp"); in attach_gpio_amp()
250 pd->amp_gpio, ret); in attach_gpio_amp()
276 if (pd->amp_gpio > 0) in detach_gpio_amp()
277 gpio_free(pd->amp_gpio); in detach_gpio_amp()
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| /Linux-v5.4/include/linux/platform_data/ |
| D | asoc-s3c24xx_simtec.h | 26 int amp_gpio; member
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| /Linux-v5.4/sound/pci/ |
| D | maestro3.c | 54 static int amp_gpio[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1}; variable
64 module_param_array(amp_gpio, int, NULL, 0444);
65 MODULE_PARM_DESC(amp_gpio, "GPIO pin number for external amp. (default = -1)");
751 int amp_gpio; /* gpio pin # for external amp, -1 = default */ member
2235 polarity = polarity << chip->amp_gpio; in snd_m3_amp_enable()
2236 gpo = 1 << chip->amp_gpio; in snd_m3_amp_enable()
2525 int amp_gpio, in snd_m3_create() argument
2572 if (amp_gpio >= 0 && amp_gpio <= 0x0f) in snd_m3_create()
2573 chip->amp_gpio = amp_gpio; in snd_m3_create()
2579 chip->amp_gpio = quirk->value; in snd_m3_create()
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| /Linux-v5.4/arch/arm/mach-s3c24xx/ |
| D | mach-anubis.c | 378 .amp_gpio = S3C2410_GPB(2),
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| /Linux-v5.4/Documentation/sound/ |
| D | alsa-configuration.rst | 1449 amp_gpio
1457 specify other gpio connection via amp_gpio option.
1458 For example, a Panasonic notebook might need ``amp_gpio=0x0d``
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