diff options
| author | Oliver Endriss <devnull@localhost> | 2004-11-15 22:26:50 +0000 |
|---|---|---|
| committer | Oliver Endriss <devnull@localhost> | 2004-11-15 22:26:50 +0000 |
| commit | 886f158ab03849eeacb0d7fdd552773209682741 (patch) | |
| tree | 546bd6062e0f4933dbc4a165f46267dad29dbc3c /linux/drivers/media/dvb/ttpci/av7110_hw.c | |
| parent | d3d09e17ff71b19ea41a1d6455724452c7704786 (diff) | |
| download | mediapointer-dvb-s2-886f158ab03849eeacb0d7fdd552773209682741.tar.gz mediapointer-dvb-s2-886f158ab03849eeacb0d7fdd552773209682741.tar.bz2 | |
added some error messages for debi debugging
Diffstat (limited to 'linux/drivers/media/dvb/ttpci/av7110_hw.c')
| -rw-r--r-- | linux/drivers/media/dvb/ttpci/av7110_hw.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/linux/drivers/media/dvb/ttpci/av7110_hw.c b/linux/drivers/media/dvb/ttpci/av7110_hw.c index 48926948a..707c2f4d7 100644 --- a/linux/drivers/media/dvb/ttpci/av7110_hw.c +++ b/linux/drivers/media/dvb/ttpci/av7110_hw.c @@ -53,10 +53,14 @@ int av7110_debiwrite(struct av7110 *av7110, u32 config, { struct saa7146_dev *dev = av7110->dev; - if (count <= 0 || count > 32764) + if (count <= 0 || count > 32764) { + printk("%s: invalid count %d\n", __FUNCTION__, count); return -1; - if (saa7146_wait_for_debi_done(av7110->dev, 0) < 0) + } + if (saa7146_wait_for_debi_done(av7110->dev, 0) < 0) { + printk("%s: wait_for_debi_done failed\n", __FUNCTION__); return -1; + } saa7146_write(dev, DEBI_CONFIG, config); if (count <= 4) /* immediate transfer */ saa7146_write(dev, DEBI_AD, val); @@ -72,10 +76,14 @@ u32 av7110_debiread(struct av7110 *av7110, u32 config, int addr, int count) struct saa7146_dev *dev = av7110->dev; u32 result = 0; - if (count > 32764 || count <= 0) + if (count > 32764 || count <= 0) { + printk("%s: invalid count %d\n", __FUNCTION__, count); return 0; - if (saa7146_wait_for_debi_done(av7110->dev, 0) < 0) + } + if (saa7146_wait_for_debi_done(av7110->dev, 0) < 0) { + printk("%s: wait_for_debi_done #1 failed\n", __FUNCTION__); return 0; + } saa7146_write(dev, DEBI_AD, av7110->debi_bus); saa7146_write(dev, DEBI_COMMAND, (count << 17) | 0x10000 | (addr & 0xffff)); @@ -83,7 +91,11 @@ u32 av7110_debiread(struct av7110 *av7110, u32 config, int addr, int count) saa7146_write(dev, MC2, (2 << 16) | 2); if (count > 4) return count; - saa7146_wait_for_debi_done(av7110->dev, 0); + if (saa7146_wait_for_debi_done(av7110->dev, 0) < 0) { + printk("%s: wait_for_debi_done #2 failed\n", __FUNCTION__); + return 0; + } + result = saa7146_read(dev, DEBI_AD); result &= (0xffffffffUL >> ((4 - count) * 8)); return result; |