media: cec: i2c: ch7322: also select REGMAP

Selecting only REGMAP_I2C can leave REGMAP unset, causing build errors,
so also select REGMAP to prevent the build errors.

../drivers/media/cec/i2c/ch7322.c:158:21: error: variable 'ch7322_regmap' has initializer but incomplete type
  158 | static const struct regmap_config ch7322_regmap = {
../drivers/media/cec/i2c/ch7322.c:159:10: error: 'const struct regmap_config' has no member named 'reg_bits'
  159 |         .reg_bits = 8,
../drivers/media/cec/i2c/ch7322.c:159:21: warning: excess elements in struct initializer
  159 |         .reg_bits = 8,
../drivers/media/cec/i2c/ch7322.c:160:10: error: 'const struct regmap_config' has no member named 'val_bits'
  160 |         .val_bits = 8,
../drivers/media/cec/i2c/ch7322.c:160:21: warning: excess elements in struct initializer
  160 |         .val_bits = 8,
../drivers/media/cec/i2c/ch7322.c:161:10: error: 'const struct regmap_config' has no member named 'max_register'
  161 |         .max_register = 0x7f,
../drivers/media/cec/i2c/ch7322.c:161:25: warning: excess elements in struct initializer
  161 |         .max_register = 0x7f,
../drivers/media/cec/i2c/ch7322.c:162:10: error: 'const struct regmap_config' has no member named 'disable_locking'
  162 |         .disable_locking = true,
../drivers/media/cec/i2c/ch7322.c:162:28: warning: excess elements in struct initializer
  162 |         .disable_locking = true,
../drivers/media/cec/i2c/ch7322.c: In function 'ch7322_probe':
../drivers/media/cec/i2c/ch7322.c:468:26: error: implicit declaration of function 'devm_regmap_init_i2c' [-Werror=implicit-function-declaration]
  468 |         ch7322->regmap = devm_regmap_init_i2c(client, &ch7322_regmap);
../drivers/media/cec/i2c/ch7322.c:468:24: warning: assignment to 'struct regmap *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
  468 |         ch7322->regmap = devm_regmap_init_i2c(client, &ch7322_regmap);
../drivers/media/cec/i2c/ch7322.c: At top level:
../drivers/media/cec/i2c/ch7322.c:158:35: error: storage size of 'ch7322_regmap' isn't known
  158 | static const struct regmap_config ch7322_regmap = {

Link: https://lore.kernel.org/linux-media/[email protected]
Fixes: 21b9a47 ("media: cec: i2c: ch7322: Add ch7322 CEC controller driver")
Signed-off-by: Randy Dunlap <[email protected]>
Cc: Jeff Chase <[email protected]>
Cc: Hans Verkuil <[email protected]>
Cc: Joe Tessler <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Mark Brown <[email protected]>
Cc: Masahiro Yamada <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

Author: rddunlap

drivers/media/cec/i2c/Kconfig

@@ -5,6 +5,7 @@
 config CEC_CH7322
 	tristate "Chrontel CH7322 CEC controller"
 	depends on I2C
+	select REGMAP
 	select REGMAP_I2C
 	select CEC_CORE
 	help