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authorSteven Toth <stoth@kernellabs.com>2010-07-31 16:15:22 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-10-21 07:55:10 -0200
commit606658292a0f8dc01f3165e741b711572af2d83f (patch)
tree7fad5e81a8f5fe87db95de7633139af29923044c /drivers/media/video/saa7164/saa7164-core.c
parent1107237e4870055147379f297af02341d75ce6f6 (diff)
downloadop-kernel-dev-606658292a0f8dc01f3165e741b711572af2d83f.zip
op-kernel-dev-606658292a0f8dc01f3165e741b711572af2d83f.tar.gz
[media] saa7164: Monitor the command bus and check for inconsistencies
Signed-off-by: Steven Toth <stoth@kernellabs.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/saa7164/saa7164-core.c')
-rw-r--r--drivers/media/video/saa7164/saa7164-core.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/media/video/saa7164/saa7164-core.c b/drivers/media/video/saa7164/saa7164-core.c
index 545eeff..fcbb9d5 100644
--- a/drivers/media/video/saa7164/saa7164-core.c
+++ b/drivers/media/video/saa7164/saa7164-core.c
@@ -1122,6 +1122,46 @@ static int saa7164_proc_show(struct seq_file *m, void *v)
b = &dev->bus;
mutex_lock(&b->lock);
+ seq_printf(m, " .m_pdwSetWritePos = 0x%x (0x%08x)\n",
+ b->m_dwSetReadPos, saa7164_readl(b->m_dwSetReadPos));
+
+ seq_printf(m, " .m_pdwSetReadPos = 0x%x (0x%08x)\n",
+ b->m_dwSetWritePos, saa7164_readl(b->m_dwSetWritePos));
+
+ seq_printf(m, " .m_pdwGetWritePos = 0x%x (0x%08x)\n",
+ b->m_dwGetReadPos, saa7164_readl(b->m_dwGetReadPos));
+
+ seq_printf(m, " .m_pdwGetReadPos = 0x%x (0x%08x)\n",
+ b->m_dwGetWritePos, saa7164_readl(b->m_dwGetWritePos));
+ c = 0;
+ seq_printf(m, "\n Set Ring:\n");
+ seq_printf(m, "\n addr 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n");
+ for (i = 0; i < b->m_dwSizeSetRing; i++) {
+ if (c == 0)
+ seq_printf(m, " %04x:", i);
+
+ seq_printf(m, " %02x", *(b->m_pdwSetRing + i));
+
+ if (++c == 16) {
+ seq_printf(m, "\n");
+ c = 0;
+ }
+ }
+
+ c = 0;
+ seq_printf(m, "\n Get Ring:\n");
+ seq_printf(m, "\n addr 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n");
+ for (i = 0; i < b->m_dwSizeGetRing; i++) {
+ if (c == 0)
+ seq_printf(m, " %04x:", i);
+
+ seq_printf(m, " %02x", *(b->m_pdwGetRing + i));
+
+ if (++c == 16) {
+ seq_printf(m, "\n");
+ c = 0;
+ }
+ }
mutex_unlock(&b->lock);
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