Re: [PATCH for v3.16] hdpvr: fix two audio bugs

[Hans Verkuil <hverkuil@xs4all.nl>]

On 06/16/2014 02:04 PM, Hans Verkuil wrote:
> Scott,
> 
> Please verify that this solves your problem. It worked for me.

Never mind, I'll repost the right patch in a minute.

	Hans

> 
> 	Hans
> 
> 
> When the audio encoding is changed the driver calls hdpvr_set_audio
> with the current opt->audio_input value. However, that should have
> been opt->audio_input + 1. So changing the audio encoding inadvertently
> changes the input as well. This bug has always been there.
> 
> The second bug was introduced in kernel 3.10 and that broke the
> default_audio_input module option handling: the audio encoding was
> never switched to AC3 if default_audio_input was set to 2 (SPDIF input).
> 
> In addition, since starting with 3.10 the audio encoding is always set
> at the start the first bug now always happens when the driver is loaded.
> In the past this bug would only surface if the user would change the
> audio encoding after the driver was loaded.
> 
> Also fixes a small trivial typo (bufffer -> buffer).
> 
> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
> Tested-by: Hans Verkuil <hans.verkuil@cisco.com>
> Reported-by: Scott Doty <scott@corp.sonic.net>
> Cc: stable@vger.kernel.org      # for v3.10 and up
> ---
>  drivers/media/usb/hdpvr/hdpvr-video.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/usb/hdpvr/hdpvr-video.c b/drivers/media/usb/hdpvr/hdpvr-video.c
> index 0500c417..59f1dd4 100644
> --- a/drivers/media/usb/hdpvr/hdpvr-video.c
> +++ b/drivers/media/usb/hdpvr/hdpvr-video.c
> @@ -82,7 +82,7 @@ static void hdpvr_read_bulk_callback(struct urb *urb)
>  }
>  
>  /*=========================================================================*/
> -/* bufffer bits */
> +/* buffer bits */
>  
>  /* function expects dev->io_mutex to be hold by caller */
>  int hdpvr_cancel_queue(struct hdpvr_device *dev)
>