V4L/DVB (6539): em28xx: add support for vgear pockettv

attached patch adds support for the vgear pockettv.
It seems to require a write to another register for audio to work.
I checked my old cinergydrv and we did the same register write there. I
therefore enabled it for all em2800 based devices.

Signed-off-by: Sascha Sommer <saschasommer@freenet.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index 65670ae2945..70fddd45d1f 100644
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -47,6 +47,7 @@
 #define EM2820_BOARD_KWORLD_PVRTV2800RF         12
 #define EM2880_BOARD_TERRATEC_PRODIGY_XS        13
 #define EM2820_BOARD_PROLINK_PLAYTV_USB2        14
+#define EM2800_BOARD_VGEAR_POCKETTV             15
 
 #define UNSET -1
 
@@ -335,6 +336,9 @@ extern struct em28xx_board em28xx_boards[];
 extern struct usb_device_id em28xx_id_table[];
 extern const unsigned int em28xx_bcount;
 
+/* em2800 registers */
+#define EM2800_AUDIOSRC_REG 0x08
+
 /* em28xx registers */
 #define CHIPID_REG      0x0a
 #define USBSUSP_REG     0x0c    /* */
@@ -390,6 +394,8 @@ extern const unsigned int em28xx_bcount;
 #define VIDEO_AC97      0x14
 
 /* register settings */
+#define EM2800_AUDIO_SRC_TUNER  0x0d
+#define EM2800_AUDIO_SRC_LINE   0x0c
 #define EM28XX_AUDIO_SRC_TUNER  0xc0
 #define EM28XX_AUDIO_SRC_LINE   0x80
 
@@ -411,6 +417,12 @@ extern const unsigned int em28xx_bcount;
 
 inline static int em28xx_audio_source(struct em28xx *dev, int input)
 {
+        if(dev->is_em2800){
+                u8 tmp = EM2800_AUDIO_SRC_TUNER;
+                if(input == EM28XX_AUDIO_SRC_LINE)
+                        tmp = EM2800_AUDIO_SRC_LINE;
+                em28xx_write_regs(dev, EM2800_AUDIOSRC_REG, &tmp, 1);
+        }
         return em28xx_write_reg_bits(dev, AUDIOSRC_REG, input, 0xc0);
 }