[PATCH v7 1/6] media: ov5693: count num_supplies using array_size

[Tommaso Merciai]

Instead of hardcode OV5693_NUM_SUPPLIES in a define is better use
ARRAY_SIZE function to count the number of supplies from
ov5693_supply_names array

Signed-off-by: Tommaso Merciai <tommaso.merciai@xxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Jacopo Mondi <jacopo@xxxxxxxxxx>
Reviewed-by: Daniel Scally <djrscally@xxxxxxxxx>
---
Changes since v3:
 - Add reviewed-by tag, suggested by Jacopo, Krzysztof

Changes since v4:
 - Add Daniel reviewed-by tag

 drivers/media/i2c/ov5693.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/media/i2c/ov5693.c b/drivers/media/i2c/ov5693.c
index 117ff5403312..f410333c4c67 100644
--- a/drivers/media/i2c/ov5693.c
+++ b/drivers/media/i2c/ov5693.c
@@ -127,11 +127,15 @@
 #define OV5693_LINK_FREQ_419_2MHZ		419200000
 #define OV5693_PIXEL_RATE			167680000
 
-/* Miscellaneous */
-#define OV5693_NUM_SUPPLIES			2
-
 #define to_ov5693_sensor(x) container_of(x, struct ov5693_device, sd)
 
+static const char * const ov5693_supply_names[] = {
+	"avdd",		/* Analog power */
+	"dovdd",	/* Digital I/O power */
+};
+
+#define OV5693_NUM_SUPPLIES	ARRAY_SIZE(ov5693_supply_names)
+
 struct ov5693_reg {
 	u32 reg;
 	u8 val;
@@ -352,11 +356,6 @@ static const s64 link_freq_menu_items[] = {
 	OV5693_LINK_FREQ_419_2MHZ
 };
 
-static const char * const ov5693_supply_names[] = {
-	"avdd",
-	"dovdd",
-};
-
 static const char * const ov5693_test_pattern_menu[] = {
 	"Disabled",
 	"Random Data",
-- 
2.25.1