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[media] tw686x: be explicit about the possible dma_mode options

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Users won't know what to put in this module option if it isn't
described.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Hans Verkuil 2016-06-27 05:28:59 -03:00 committed by Mauro Carvalho Chehab
parent 6deab6fec8
commit c2b40111a2
1 changed files with 1 additions and 1 deletions
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2
drivers/media/pci/tw686x/tw686x-core.c
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@ -91,7 +91,7 @@ static int tw686x_dma_mode_set(const char *val, struct kernel_param *kp)
}
module_param_call(dma_mode, tw686x_dma_mode_set, tw686x_dma_mode_get,
&dma_mode, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(dma_mode, "DMA operation mode");
MODULE_PARM_DESC(dma_mode, "DMA operation mode (memcpy/contig/sg, default=memcpy)");
void tw686x_disable_channel(struct tw686x_dev *dev, unsigned int channel)
{