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authorGerd Knorr <devnull@localhost>2004-02-23 19:02:15 +0000
committerGerd Knorr <devnull@localhost>2004-02-23 19:02:15 +0000
commitab0450426593e64786e5cc21c4e711f59c851908 (patch)
tree1fc71c7e2401935a3e9003355073bd547c51d9cf /linux/drivers/media
parentbf27ea1722664c76261b5f3c11f6310fe6c8bef4 (diff)
downloadmediapointer-dvb-s2-ab0450426593e64786e5cc21c4e711f59c851908.tar.gz
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- comment bttv irq flags.
Diffstat (limited to 'linux/drivers/media')
-rw-r--r--linux/drivers/media/video/bttv-driver.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/linux/drivers/media/video/bttv-driver.c b/linux/drivers/media/video/bttv-driver.c
index 3641441fd..cd790a558 100644
--- a/linux/drivers/media/video/bttv-driver.c
+++ b/linux/drivers/media/video/bttv-driver.c
@@ -3157,10 +3157,27 @@ static struct video_device radio_template =
/* ----------------------------------------------------------------------- */
/* irq handler */
-static char *irq_name[] = { "FMTCHG", "VSYNC", "HSYNC", "OFLOW", "HLOCK",
- "VPRES", "6", "7", "I2CDONE", "GPINT", "10",
- "RISCI", "FBUS", "FTRGT", "FDSR", "PPERR",
- "RIPERR", "PABORT", "OCERR", "SCERR" };
+static char *irq_name[] = {
+ "FMTCHG", // format change detected (525 vs. 625)
+ "VSYNC", // vertical sync (new field)
+ "HSYNC", // horizontal sync
+ "OFLOW", // chroma/luma AGC overflow
+ "HLOCK", // horizontal lock changed
+ "VPRES", // video presence changed
+ "6", "7",
+ "I2CDONE", // hw irc operation finished
+ "GPINT", // gpio port triggered irq
+ "10",
+ "RISCI", // risc instruction triggered irq
+ "FBUS", // pixel data fifo dropped data (high pci bus latencies)
+ "FTRGT", // pixel data fifo overrun
+ "FDSR", // fifo data stream resyncronisation
+ "PPERR", // parity error (data transfer)
+ "RIPERR", // parity error (read risc instructions)
+ "PABORT", // pci abort
+ "OCERR", // risc instruction error
+ "SCERR", // syncronisation error
+};
static void bttv_print_irqbits(u32 print, u32 mark)
{