[PATCH v2 1/3] media: i2c: adv748x: Simplify regmap configuration

From: Kieran Bingham
Date: Tue Feb 27 2018 - 10:06:18 EST


From: Kieran Bingham <kieran.bingham@xxxxxxxxxxxxxxxx>

The ADV748x has identical map configurations for each register map. The
duplication of each map can be simplified using a helper macro such that
each map is represented on a single line.

Define ADV748X_REGMAP_CONF for this purpose use it to create the tables.

Signed-off-by: Kieran Bingham <kieran.bingham@xxxxxxxxxxxxxxxx>

---
v2:
- Remove unnecessary #undef

drivers/media/i2c/adv748x/adv748x-core.c | 109 ++++++-------------------------
1 file changed, 20 insertions(+), 89 deletions(-)

diff --git a/drivers/media/i2c/adv748x/adv748x-core.c b/drivers/media/i2c/adv748x/adv748x-core.c
index fd92c9e4b519..faf73949962b 100644
--- a/drivers/media/i2c/adv748x/adv748x-core.c
+++ b/drivers/media/i2c/adv748x/adv748x-core.c
@@ -35,96 +35,27 @@
* Register manipulation
*/

-static const struct regmap_config adv748x_regmap_cnf[] = {
- {
- .name = "io",
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = 0xff,
- .cache_type = REGCACHE_NONE,
- },
- {
- .name = "dpll",
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = 0xff,
- .cache_type = REGCACHE_NONE,
- },
- {
- .name = "cp",
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = 0xff,
- .cache_type = REGCACHE_NONE,
- },
- {
- .name = "hdmi",
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = 0xff,
- .cache_type = REGCACHE_NONE,
- },
- {
- .name = "edid",
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = 0xff,
- .cache_type = REGCACHE_NONE,
- },
- {
- .name = "repeater",
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = 0xff,
- .cache_type = REGCACHE_NONE,
- },
- {
- .name = "infoframe",
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = 0xff,
- .cache_type = REGCACHE_NONE,
- },
- {
- .name = "cec",
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = 0xff,
- .cache_type = REGCACHE_NONE,
- },
- {
- .name = "sdp",
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = 0xff,
- .cache_type = REGCACHE_NONE,
- },
-
- {
- .name = "txb",
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = 0xff,
- .cache_type = REGCACHE_NONE,
- },
- {
- .name = "txa",
- .reg_bits = 8,
- .val_bits = 8,
+#define ADV748X_REGMAP_CONF(n) \
+{ \
+ .name = n, \
+ .reg_bits = 8, \
+ .val_bits = 8, \
+ .max_register = 0xff, \
+ .cache_type = REGCACHE_NONE, \
+}

- .max_register = 0xff,
- .cache_type = REGCACHE_NONE,
- },
+static const struct regmap_config adv748x_regmap_cnf[] = {
+ ADV748X_REGMAP_CONF("io"),
+ ADV748X_REGMAP_CONF("dpll"),
+ ADV748X_REGMAP_CONF("cp"),
+ ADV748X_REGMAP_CONF("hdmi"),
+ ADV748X_REGMAP_CONF("edid"),
+ ADV748X_REGMAP_CONF("repeater"),
+ ADV748X_REGMAP_CONF("infoframe"),
+ ADV748X_REGMAP_CONF("cec"),
+ ADV748X_REGMAP_CONF("sdp"),
+ ADV748X_REGMAP_CONF("txa"),
+ ADV748X_REGMAP_CONF("txb"),
};

static int adv748x_configure_regmap(struct adv748x_state *state, int region)
--
2.7.4