diff options
Diffstat (limited to 'drivers/media/usb/pvrusb2/pvrusb2-wm8775.c')
| -rw-r--r-- | drivers/media/usb/pvrusb2/pvrusb2-wm8775.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-wm8775.c b/drivers/media/usb/pvrusb2/pvrusb2-wm8775.c new file mode 100644 index 000000000..8f357f771 --- /dev/null +++ b/drivers/media/usb/pvrusb2/pvrusb2-wm8775.c @@ -0,0 +1,53 @@ +/* + * + * + * Copyright (C) 2005 Mike Isely <isely@pobox.com> + * Copyright (C) 2004 Aurelien Alleaume <slts@free.fr> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +/* + + This source file is specifically designed to interface with the + wm8775. + +*/ + +#include "pvrusb2-wm8775.h" + + +#include "pvrusb2-hdw-internal.h" +#include "pvrusb2-debug.h" +#include <linux/videodev2.h> +#include <media/v4l2-common.h> +#include <linux/errno.h> + +void pvr2_wm8775_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd) +{ + if (hdw->input_dirty || hdw->force_dirty) { + u32 input; + + switch (hdw->input_val) { + case PVR2_CVAL_INPUT_RADIO: + input = 1; + break; + default: + /* All other cases just use the second input */ + input = 2; + break; + } + pvr2_trace(PVR2_TRACE_CHIPS, "subdev wm8775 set_input(val=%d route=0x%x)", + hdw->input_val, input); + + sd->ops->audio->s_routing(sd, input, 0, 0); + } +} |