Commit ec648fc0 authored by Samuel Holland's avatar Samuel Holland Committed by Dmitry Torokhov
Browse files

Input: sun4i-lradc-keys - add support for R329 and D1 



This LRADC variant uses the same 3/4*AVCC reference voltage as the A83T
variant. The R329 and D1 LRADCs appear to be identical, so D1 support is
accomplished through having the R329 LRADC as a fallback compatible.

Signed-off-by: default avatarSamuel Holland <samuel@sholland.org>
Acked-by: default avatarJernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220414002349.24332-3-samuel@sholland.org


Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent ac2d5b43

drivers/input/keyboard/sun4i-lradc-keys.c

+8 −0
Original line number Diff line number Diff line
@@ -80,6 +80,12 @@ static const struct lradc_variant r_lradc_variant_a83t = { 
	.divisor_denominator = 4

};



static const struct lradc_variant lradc_variant_r329 = {

	.divisor_numerator = 3,

	.divisor_denominator = 4,

	.has_clock_reset = true,

};



struct sun4i_lradc_keymap {

	u32 voltage;

	u32 keycode;
@@ -337,6 +343,8 @@ static const struct of_device_id sun4i_lradc_of_match[] = { 
		.data = &lradc_variant_a10 },

	{ .compatible = "allwinner,sun8i-a83t-r-lradc",

		.data = &r_lradc_variant_a83t },

	{ .compatible = "allwinner,sun50i-r329-lradc",

		.data = &lradc_variant_r329 },

	{ /* sentinel */ }

};

MODULE_DEVICE_TABLE(of, sun4i_lradc_of_match);