drivers/mfd/wm97xx-core.c

1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Wolfson WM97xx -- Core device
8  *  - an AC97 audio codec
9  *  - a touchscreen driver
10  *  - a GPIO block
108 	{ .name = "wm9705-codec", },
109 	{ .name = "wm97xx-ts", },
176 	{ .name = "wm9712-codec", },
177 	{ .name = "wm97xx-ts", },
197 	{ 0x22, 0x0040 },	/* MIC Input Select & Bias */
210 	{ 0x42, 0x0000 },	/* Fast Power-Up Control */
217 	{ 0x52, 0x0000 },	/* GPIO Pin Wake-Up */
220 	{ 0x58, 0x4000 },	/* GPIO PullUp/PullDown */
247 	{ .name = "wm9713-codec", },
248 	{ .name = "wm97xx-ts", },
257 	int ret = -ENODEV, nb_cells, i;  in wm97xx_ac97_probe()
263 		return -ENOMEM;  in wm97xx_ac97_probe()
265 	wm97xx->dev = ac97_codec_dev2dev(adev);  in wm97xx_ac97_probe()
266 	wm97xx->ac97 = snd_ac97_compat_alloc(adev);  in wm97xx_ac97_probe()
267 	if (IS_ERR(wm97xx->ac97))  in wm97xx_ac97_probe()
268 		return PTR_ERR(wm97xx->ac97);  in wm97xx_ac97_probe()
272 	dev_info(wm97xx->dev, "wm97xx core found, id=0x%x\n",  in wm97xx_ac97_probe()
273 		 adev->vendor_id);  in wm97xx_ac97_probe()
275 	codec_pdata = &wm97xx->codec_pdata;  in wm97xx_ac97_probe()
276 	codec_pdata->ac97 = wm97xx->ac97;  in wm97xx_ac97_probe()
277 	codec_pdata->batt_pdata = pdata ? pdata->batt_pdata : NULL;  in wm97xx_ac97_probe()
279 	switch (adev->vendor_id) {  in wm97xx_ac97_probe()
304 	codec_pdata->regmap = devm_regmap_init_ac97(wm97xx->ac97, config);  in wm97xx_ac97_probe()
305 	if (IS_ERR(codec_pdata->regmap)) {  in wm97xx_ac97_probe()
306 		ret = PTR_ERR(codec_pdata->regmap);  in wm97xx_ac97_probe()
310 	ret = devm_mfd_add_devices(wm97xx->dev, PLATFORM_DEVID_NONE,  in wm97xx_ac97_probe()
318 	snd_ac97_compat_release(wm97xx->ac97);  in wm97xx_ac97_probe()
326 	snd_ac97_compat_release(wm97xx->ac97);  in wm97xx_ac97_remove()
338 		.name = "wm97xx-core",