linux-kernel - [PATCH v3 4/9] staging: iio: tsl2x7x: use macro to populate tsl2X7X_device

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Date:   Thu, 10 May 2018 20:12:18 -0400
From:   Brian Masney <masneyb@...tation.org>
To:     jic23@...nel.org, linux-iio@...r.kernel.org
Cc:     gregkh@...uxfoundation.org, devel@...verdev.osuosl.org,
        knaack.h@....de, lars@...afoo.de, pmeerw@...erw.net,
        linux-kernel@...r.kernel.org, drew.paterson@....com
Subject: [PATCH v3 4/9] staging: iio: tsl2x7x: use macro to populate tsl2X7X_device_info

This patch creates a macro that populates the tsl2X7X_device_info
structure to reduce duplicated code in the driver.

Signed-off-by: Brian Masney <masneyb@...tation.org>
---
 drivers/staging/iio/light/tsl2x7x.c | 61 ++++++++++---------------------------
 1 file changed, 16 insertions(+), 45 deletions(-)

diff --git a/drivers/staging/iio/light/tsl2x7x.c b/drivers/staging/iio/light/tsl2x7x.c
index f5ca5ada0358..51c1a90cb592 100644
--- a/drivers/staging/iio/light/tsl2x7x.c
+++ b/drivers/staging/iio/light/tsl2x7x.c
@@ -1305,52 +1305,23 @@ static const struct attribute_group tsl2X7X_device_attr_group_tbl[] = {
 	},
 };
 
+#define TSL2X7X_DEVICE_INFO(type)[type] = \
+	{ \
+		.attrs = &tsl2X7X_device_attr_group_tbl[type], \
+		.read_raw = &tsl2x7x_read_raw, \
+		.write_raw = &tsl2x7x_write_raw, \
+		.read_event_value = &tsl2x7x_read_event_value, \
+		.write_event_value = &tsl2x7x_write_event_value, \
+		.read_event_config = &tsl2x7x_read_interrupt_config, \
+		.write_event_config = &tsl2x7x_write_interrupt_config, \
+	}
+
 static const struct iio_info tsl2X7X_device_info[] = {
-	[ALS] = {
-		.attrs = &tsl2X7X_device_attr_group_tbl[ALS],
-		.read_raw = &tsl2x7x_read_raw,
-		.write_raw = &tsl2x7x_write_raw,
-		.read_event_value = &tsl2x7x_read_event_value,
-		.write_event_value = &tsl2x7x_write_event_value,
-		.read_event_config = &tsl2x7x_read_interrupt_config,
-		.write_event_config = &tsl2x7x_write_interrupt_config,
-	},
-	[PRX] = {
-		.attrs = &tsl2X7X_device_attr_group_tbl[PRX],
-		.read_raw = &tsl2x7x_read_raw,
-		.write_raw = &tsl2x7x_write_raw,
-		.read_event_value = &tsl2x7x_read_event_value,
-		.write_event_value = &tsl2x7x_write_event_value,
-		.read_event_config = &tsl2x7x_read_interrupt_config,
-		.write_event_config = &tsl2x7x_write_interrupt_config,
-	},
-	[ALSPRX] = {
-		.attrs = &tsl2X7X_device_attr_group_tbl[ALSPRX],
-		.read_raw = &tsl2x7x_read_raw,
-		.write_raw = &tsl2x7x_write_raw,
-		.read_event_value = &tsl2x7x_read_event_value,
-		.write_event_value = &tsl2x7x_write_event_value,
-		.read_event_config = &tsl2x7x_read_interrupt_config,
-		.write_event_config = &tsl2x7x_write_interrupt_config,
-	},
-	[PRX2] = {
-		.attrs = &tsl2X7X_device_attr_group_tbl[PRX2],
-		.read_raw = &tsl2x7x_read_raw,
-		.write_raw = &tsl2x7x_write_raw,
-		.read_event_value = &tsl2x7x_read_event_value,
-		.write_event_value = &tsl2x7x_write_event_value,
-		.read_event_config = &tsl2x7x_read_interrupt_config,
-		.write_event_config = &tsl2x7x_write_interrupt_config,
-	},
-	[ALSPRX2] = {
-		.attrs = &tsl2X7X_device_attr_group_tbl[ALSPRX2],
-		.read_raw = &tsl2x7x_read_raw,
-		.write_raw = &tsl2x7x_write_raw,
-		.read_event_value = &tsl2x7x_read_event_value,
-		.write_event_value = &tsl2x7x_write_event_value,
-		.read_event_config = &tsl2x7x_read_interrupt_config,
-		.write_event_config = &tsl2x7x_write_interrupt_config,
-	},
+	TSL2X7X_DEVICE_INFO(ALS),
+	TSL2X7X_DEVICE_INFO(PRX),
+	TSL2X7X_DEVICE_INFO(ALSPRX),
+	TSL2X7X_DEVICE_INFO(PRX2),
+	TSL2X7X_DEVICE_INFO(ALSPRX2),
 };
 
 static const struct iio_event_spec tsl2x7x_events[] = {
-- 
2.14.3