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pcmcia: correct handling for Zoomed Video registers in topic.h

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Fix handling of Zoomed Video Registers in the Topic pcmcia controller
( http://bugzilla.kernel.org/show_bug.cgi?id=14581 ). The information
has been retrieved from the Topic manual which can be obtained from
Toshiba.

The Zoomed Video is used with PCMCIA Cards like the Margi DVD-to-Go.

[linux@dominikbrodowski.net: whitespace & commit message fix]

Signed-off-by: Avi Cohen Stuart <avi.cohenstuart@infor.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
This commit is contained in:
Avi Cohen Stuart 2009-11-10 22:43:46 +01:00 committed by Dominik Brodowski
parent e657ea17ef
commit b285fab418
1 changed files with 5 additions and 10 deletions
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15
drivers/pcmcia/topic.h
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@ -114,22 +114,17 @@ static void topic97_zoom_video(struct pcmcia_socket *sock, int onoff)
reg_zv |= TOPIC97_ZV_CONTROL_ENABLE;
config_writeb(socket, TOPIC97_ZOOM_VIDEO_CONTROL, reg_zv);
reg = config_readb(socket, TOPIC97_MISC2);
reg |= TOPIC97_MISC2_ZV_ENABLE;
config_writeb(socket, TOPIC97_MISC2, reg);
/* not sure this is needed, doc is unclear */
#if 0
reg = config_readb(socket, TOPIC97_AUDIO_VIDEO_SWITCH);
reg |= TOPIC97_AVS_AUDIO_CONTROL | TOPIC97_AVS_VIDEO_CONTROL;
config_writeb(socket, TOPIC97_AUDIO_VIDEO_SWITCH, reg);
#endif
}
else {
} else {
reg_zv &= ~TOPIC97_ZV_CONTROL_ENABLE;
config_writeb(socket, TOPIC97_ZOOM_VIDEO_CONTROL, reg_zv);
}
reg = config_readb(socket, TOPIC97_AUDIO_VIDEO_SWITCH);
reg &= ~(TOPIC97_AVS_AUDIO_CONTROL | TOPIC97_AVS_VIDEO_CONTROL);
config_writeb(socket, TOPIC97_AUDIO_VIDEO_SWITCH, reg);
}
}
static int topic97_override(struct yenta_socket *socket)