linux-kernel - [PATCH 1/5] staging/olpc_dcon: drop useaa module arg

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Message-ID: <20121001144537.641bdd85@debxo>
Date:	Mon, 1 Oct 2012 14:45:37 -0700
From:	Andres Salomon <dilinger@...ued.net>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	Jon Nettleton <jon.nettleton@...il.com>,
	Chris Ball <cjb@...top.org>
Subject: [PATCH 1/5] staging/olpc_dcon: drop useaa module arg


The 'useaa' module parameter was a workaround for a buggy DCON prototype
not supporting the optional anti-aliasing mode properly.  There's no
reason to disable it any more, so drop the option.

Signed-off-by: Andres Salomon <dilinger@...ued.net>
---
 drivers/staging/olpc_dcon/olpc_dcon.c |   12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/olpc_dcon/olpc_dcon.c b/drivers/staging/olpc_dcon/olpc_dcon.c
index d49c32a..7dcd060 100644
--- a/drivers/staging/olpc_dcon/olpc_dcon.c
+++ b/drivers/staging/olpc_dcon/olpc_dcon.c
@@ -39,10 +39,6 @@
 static ushort resumeline = 898;
 module_param(resumeline, ushort, 0444);
 
-/* Default off since it doesn't work on DCON ASIC in B-test OLPC board */
-static int useaa = 1;
-module_param(useaa, int, 0444);
-
 static struct dcon_platform_data *pdata;
 
 /* I2C structures */
@@ -103,9 +99,7 @@ static int dcon_hw_init(struct dcon_priv *dcon, int is_init)
 	/* Colour swizzle, AA, no passthrough, backlight */
 	if (is_init) {
 		dcon->disp_mode = MODE_PASSTHRU | MODE_BL_ENABLE |
-				MODE_CSWIZZLE;
-		if (useaa)
-			dcon->disp_mode |= MODE_COL_AA;
+				MODE_CSWIZZLE | MODE_COL_AA;
 	}
 	dcon_write(dcon, DCON_REG_MODE, dcon->disp_mode);
 
@@ -191,9 +185,7 @@ static int dcon_set_mono_mode(struct dcon_priv *dcon, bool enable_mono)
 		dcon->disp_mode |= MODE_MONO_LUMA;
 	} else {
 		dcon->disp_mode &= ~(MODE_MONO_LUMA);
-		dcon->disp_mode |= MODE_CSWIZZLE;
-		if (useaa)
-			dcon->disp_mode |= MODE_COL_AA;
+		dcon->disp_mode |= MODE_CSWIZZLE | MODE_COL_AA;
 	}
 
 	dcon_write(dcon, DCON_REG_MODE, dcon->disp_mode);
-- 
1.7.10.4

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