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path: root/drivers/media/dvb/ttpci/budget-patch.c
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Diffstat (limited to 'drivers/media/dvb/ttpci/budget-patch.c')
-rw-r--r--drivers/media/dvb/ttpci/budget-patch.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/media/dvb/ttpci/budget-patch.c b/drivers/media/dvb/ttpci/budget-patch.c
index fc1267b8c89..9a155396d6a 100644
--- a/drivers/media/dvb/ttpci/budget-patch.c
+++ b/drivers/media/dvb/ttpci/budget-patch.c
@@ -500,14 +500,14 @@ static int budget_patch_attach (struct saa7146_dev* dev, struct saa7146_pci_exte
500 500
501/* New design (By Emard) 501/* New design (By Emard)
502** this rps1 code will copy internal HS event to GPIO3 pin. 502** this rps1 code will copy internal HS event to GPIO3 pin.
503** GPIO3 is in budget-patch hardware connectd to port B VSYNC 503** GPIO3 is in budget-patch hardware connected to port B VSYNC
504 504
505** HS is an internal event of 7146, accessible with RPS 505** HS is an internal event of 7146, accessible with RPS
506** and temporarily raised high every n lines 506** and temporarily raised high every n lines
507** (n in defined in the RPS_THRESH1 counter threshold) 507** (n in defined in the RPS_THRESH1 counter threshold)
508** I think HS is raised high on the beginning of the n-th line 508** I think HS is raised high on the beginning of the n-th line
509** and remains high until this n-th line that triggered 509** and remains high until this n-th line that triggered
510** it is completely received. When the receiption of n-th line 510** it is completely received. When the reception of n-th line
511** ends, HS is lowered. 511** ends, HS is lowered.
512 512
513** To transmit data over DMA, 7146 needs changing state at 513** To transmit data over DMA, 7146 needs changing state at
@@ -541,7 +541,7 @@ static int budget_patch_attach (struct saa7146_dev* dev, struct saa7146_pci_exte
541** hardware debug note: a working budget card (including budget patch) 541** hardware debug note: a working budget card (including budget patch)
542** with vpeirq() interrupt setup in mode "0x90" (every 64K) will 542** with vpeirq() interrupt setup in mode "0x90" (every 64K) will
543** generate 3 interrupts per 25-Hz DMA frame of 2*188*512 bytes 543** generate 3 interrupts per 25-Hz DMA frame of 2*188*512 bytes
544** and that means 3*25=75 Hz of interrupt freqency, as seen by 544** and that means 3*25=75 Hz of interrupt frequency, as seen by
545** watch cat /proc/interrupts 545** watch cat /proc/interrupts
546** 546**
547** If this frequency is 3x lower (and data received in the DMA 547** If this frequency is 3x lower (and data received in the DMA
@@ -550,7 +550,7 @@ static int budget_patch_attach (struct saa7146_dev* dev, struct saa7146_pci_exte
550** this means VSYNC line is not connected in the hardware. 550** this means VSYNC line is not connected in the hardware.
551** (check soldering pcb and pins) 551** (check soldering pcb and pins)
552** The same behaviour of missing VSYNC can be duplicated on budget 552** The same behaviour of missing VSYNC can be duplicated on budget
553** cards, by seting DD1_INIT trigger mode 7 in 3rd nibble. 553** cards, by setting DD1_INIT trigger mode 7 in 3rd nibble.
554*/ 554*/
555 555
556 // Setup RPS1 "program" (p35) 556 // Setup RPS1 "program" (p35)