Em 14-07-2011 19:09, Jarod Wilson escreveu:
> Sometimes the init routine is blasting commands out to the hardware
> faster than it can reply. Throw a brief delay in there to give the
> hardware a chance to reply before we send the next command.
>
> Signed-off-by: Jarod Wilson <ja...@redhat.com>
> ---
> drivers/media/rc/mceusb.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c
> index 111bead..13a853b 100644
> --- a/drivers/media/rc/mceusb.c
> +++ b/drivers/media/rc/mceusb.c
> @@ -37,6 +37,7 @@
> #include <linux/slab.h>
> #include <linux/usb.h>
> #include <linux/usb/input.h>
> +#include <linux/delay.h>
> #include <media/rc-core.h>
>
> #define DRIVER_VERSION "1.91"
> @@ -735,6 +736,7 @@ static void mce_request_packet(struct mceusb_dev *ir,
> unsigned char *data,
> static void mce_async_out(struct mceusb_dev *ir, unsigned char *data, int
> size)
> {
> mce_request_packet(ir, data, size, MCEUSB_TX);
> + mdelay(10);
Can't it be a msleep() instead? Delays spend more power, and keeps the CPU busy
while
running.
> }
>
> static void mce_flush_rx_buffer(struct mceusb_dev *ir, int size)
Cheers,
Mauro
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