From: Avi Cohen Stuart Date: Tue, 10 Nov 2009 21:43:46 +0000 (+0100) Subject: pcmcia: correct handling for Zoomed Video registers in topic.h X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b285fab4185a9b3db953726f0dd9d343a6e389db;p=linux-beck.git pcmcia: correct handling for Zoomed Video registers in topic.h 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 Signed-off-by: Dominik Brodowski --- diff --git a/drivers/pcmcia/topic.h b/drivers/pcmcia/topic.h index edccfa5bb400..615a45a8fe86 100644 --- a/drivers/pcmcia/topic.h +++ b/drivers/pcmcia/topic.h @@ -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)