V4L/DVB (9744): em28xx: cleanup XCLK register usage

Convert over to setting the XCLK register usage with the new em28xx_write_reg()
function.

Thanks to Ray Lu from Empia for providing the em2860/2880 datasheet.

Signed-off-by: Devin Heitmueller <devin.heitmueller@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/drivers/media/video/em28xx/em28xx-reg.h b/drivers/media/video/em28xx/em28xx-reg.h
index 98e95054e81..45d588c3a6c 100644
--- a/drivers/media/video/em28xx/em28xx-reg.h
+++ b/drivers/media/video/em28xx/em28xx-reg.h
@@ -51,6 +51,24 @@
 #define EM28XX_R0E_AUDIOSRC     0x0e
 #define EM28XX_R0F_XCLK 0x0f
 
+/* em28xx XCLK Register (0x0f) */
+#define EM28XX_XCLK_AUDIO_UNMUTE        0x80 /* otherwise audio muted */
+#define EM28XX_XCLK_I2S_MSB_TIMING      0x40 /* otherwise standard timing */
+#define EM28XX_XCLK_IR_RC5_MODE         0x20 /* otherwise NEC mode */
+#define EM28XX_XCLK_IR_NEC_CHK_PARITY   0x10
+#define EM28XX_XCLK_FREQUENCY_30MHZ     0x00 /* Freq. select (bits [3-0]) */
+#define EM28XX_XCLK_FREQUENCY_15MHZ     0x01
+#define EM28XX_XCLK_FREQUENCY_10MHZ     0x02
+#define EM28XX_XCLK_FREQUENCY_7_5MHZ    0x03
+#define EM28XX_XCLK_FREQUENCY_6MHZ      0x04
+#define EM28XX_XCLK_FREQUENCY_5MHZ      0x05
+#define EM28XX_XCLK_FREQUENCY_4_3MHZ    0x06
+#define EM28XX_XCLK_FREQUENCY_12MHZ     0x07
+#define EM28XX_XCLK_FREQUENCY_20MHZ     0x08
+#define EM28XX_XCLK_FREQUENCY_20MHZ_2   0x09
+#define EM28XX_XCLK_FREQUENCY_48MHZ     0x0a
+#define EM28XX_XCLK_FREQUENCY_24MHZ     0x0b
+
 #define EM28XX_R10_VINMODE      0x10
 #define EM28XX_R11_VINCTRL      0x11
 #define EM28XX_R12_VINENABLE    0x12    /* */