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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/media/usb/pvrusb2/pvrusb2-wm8775.c
Initial import
Diffstat (limited to 'drivers/media/usb/pvrusb2/pvrusb2-wm8775.c')
-rw-r--r--drivers/media/usb/pvrusb2/pvrusb2-wm8775.c58
1 files changed, 58 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..f1df94a24
--- /dev/null
+++ b/drivers/media/usb/pvrusb2/pvrusb2-wm8775.c
@@ -0,0 +1,58 @@
+/*
+ *
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/*
+
+ 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);
+ }
+}