Files
linux/drivers
Daniel González Cabanelas cb5bd93ad2 media: cx88-mpeg: clear interrupt status register before streaming video
[ Upstream commit 56cb61f70e ]

Some cx88 video cards may have transport stream status interrupts set
to 1 from cold start, causing errors like this:

  cx88xx: cx88_print_irqbits: core:irq mpeg  [0x100000] ts_err?*
  cx8802: cx8802_mpeg_irq: mpeg:general errors: 0x00100000

According to CX2388x datasheet, the interrupt status register should be
cleared before enabling IRQs to stream video.

Fix it by clearing the Transport Stream Interrupt Status register.

Signed-off-by: Daniel González Cabanelas <dgcbueu@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-04-08 14:24:01 +02:00
..
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2021-09-08 11:50:26 -07:00
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