[media] tw686x: be explicit about the possible dma_mode options
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>
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@ -91,7 +91,7 @@ static int tw686x_dma_mode_set(const char *val, struct kernel_param *kp)
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}
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}
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module_param_call(dma_mode, tw686x_dma_mode_set, tw686x_dma_mode_get,
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module_param_call(dma_mode, tw686x_dma_mode_set, tw686x_dma_mode_get,
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&dma_mode, S_IRUGO|S_IWUSR);
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&dma_mode, S_IRUGO|S_IWUSR);
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MODULE_PARM_DESC(dma_mode, "DMA operation mode");
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MODULE_PARM_DESC(dma_mode, "DMA operation mode (memcpy/contig/sg, default=memcpy)");
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void tw686x_disable_channel(struct tw686x_dev *dev, unsigned int channel)
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void tw686x_disable_channel(struct tw686x_dev *dev, unsigned int channel)
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{
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{
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