linux-kernel - [PATCH 06/10] Staging: fbtft: Use a helper function to set set_addr

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Message-Id: <1435646597-7612-7-git-send-email-fabio.falzoi84@gmail.com>
Date:	Tue, 30 Jun 2015 08:43:13 +0200
From:	Fabio Falzoi <fabio.falzoi84@...il.com>
To:	thomas.petazzoni@...e-electrons.com, noralf@...nnes.org
Cc:	gregkh@...uxfoundation.org, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org,
	Fabio Falzoi <fabio.falzoi84@...il.com>
Subject: [PATCH 06/10] Staging: fbtft: Use a helper function to set set_addr_win op

Use a helper function to choose which set_addr_win implementation to
use, based on the value of the setaddrwin module parameter.

Signed-off-by: Fabio Falzoi <fabio.falzoi84@...il.com>
---
 drivers/staging/fbtft/flexfb.c | 47 +++++++++++++++++++++++++-----------------
 1 file changed, 28 insertions(+), 19 deletions(-)

diff --git a/drivers/staging/fbtft/flexfb.c b/drivers/staging/fbtft/flexfb.c
index 1b833f9..2a15da1 100644
--- a/drivers/staging/fbtft/flexfb.c
+++ b/drivers/staging/fbtft/flexfb.c
@@ -470,6 +470,31 @@ static int flexfb_set_platform_bus_func(struct fbtft_par *par,
 	return 0;
 }
 
+static int flexfb_set_addr_win_func(const struct device *dev,
+				    struct fbtft_par *par)
+{
+	switch (setaddrwin) {
+	case 0:
+		/* use default */
+		break;
+	case 1:
+		par->fbtftops.set_addr_win = flexfb_set_addr_win_1;
+		break;
+	case 2:
+		par->fbtftops.set_addr_win = flexfb_set_addr_win_2;
+		break;
+	case 3:
+		par->fbtftops.set_addr_win = set_addr_win_3;
+		break;
+	default:
+		dev_err(dev, "argument 'setaddrwin': unknown value %d.\n",
+			setaddrwin);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 static int flexfb_probe_common(struct spi_device *sdev,
 			       struct platform_device *pdev)
 {
@@ -531,25 +556,9 @@ static int flexfb_probe_common(struct spi_device *sdev,
 	if (ret)
 		goto out_release;
 
-	/* set_addr_win function */
-	switch (setaddrwin) {
-	case 0:
-		/* use default */
-		break;
-	case 1:
-		par->fbtftops.set_addr_win = flexfb_set_addr_win_1;
-		break;
-	case 2:
-		par->fbtftops.set_addr_win = flexfb_set_addr_win_2;
-		break;
-	case 3:
-		par->fbtftops.set_addr_win = set_addr_win_3;
-		break;
-	default:
-		dev_err(dev, "argument 'setaddrwin': unknown value %d.\n",
-			setaddrwin);
-		return -EINVAL;
-	}
+	ret = flexfb_set_addr_win_func(dev, par);
+	if (ret)
+		goto out_release;
 
 	if (!nobacklight)
 		par->fbtftops.register_backlight = fbtft_register_backlight;
-- 
2.1.4

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