staging: sm750fb: Correctly set CLOCK_PHASE bit of display controller.

Commit 6fba39cf32a3 ("staging: sm750fb: use BIT macro for
PANEL_DISPLAY_CTRL single-bit fields") accidentally changed the
CLOCK_PHASE logic from '|=' to '=' which clears all the previously set
bits.

Fixes: 6fba39cf32a3 ("staging: sm750fb: use BIT macro for PANEL_DISPLAY_CTRL single-bit fields")
Signed-off-by: Phil Turnbull <phil.turnbull@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/sm750fb/ddk750_mode.c b/drivers/staging/sm750fb/ddk750_mode.c
index ccb4e06..e29d4bd 100644 (file)
--- a/drivers/staging/sm750fb/ddk750_mode.c
+++ b/drivers/staging/sm750fb/ddk750_mode.c
@@ -63,7 +63,7 @@ static unsigned long displayControlAdjust_SM750LE(mode_parameter_t *pModeParam,
        dispControl |= (CRT_DISPLAY_CTRL_CRTSELECT | CRT_DISPLAY_CTRL_RGBBIT);
 
        /* Set bit 14 of display controller */
-       dispControl = DISPLAY_CTRL_CLOCK_PHASE;
+       dispControl |= DISPLAY_CTRL_CLOCK_PHASE;
 
        POKE32(CRT_DISPLAY_CTRL, dispControl);