Re: ALSA: hdspm - AES32: Enable TCO/Sync-In insnd_hdspm_put_sync_ref()

[Dave Jones]

On Thu, Sep 05, 2013 at 01:38:37AM +0000, Linux Kernel wrote:
 > Gitweb:     http://git.kernel.org/linus/;a=commit;h=2d60fc7f7d3d79e5646646bb34811961f19d111a
 > Commit:     2d60fc7f7d3d79e5646646bb34811961f19d111a
 > Parent:     dbae4a0c8d8794df1a6bd7e644ed94b915f46f7e
 > Author:     Adrian Knoth <adi@xxxxxxxxxxxxxxxxxxxxx>
 > AuthorDate: Fri Jul 5 11:28:15 2013 +0200
 > Committer:  Takashi Iwai <tiwai@xxxxxxx>
 > CommitDate: Fri Jul 5 14:52:42 2013 +0200
 > 
 >     ALSA: hdspm - AES32: Enable TCO/Sync-In in snd_hdspm_put_sync_ref()
 
 >  static int hdspm_autosync_ref(struct hdspm *hdspm)
 >  {
  ...
 > +		unsigned int syncref = (status >> HDSPM_AES32_syncref_bit) & 0xF;
 > +		if ((syncref >= HDSPM_AES32_AUTOSYNC_FROM_WORD) &&
 > +				(syncref <= HDSPM_AES32_AUTOSYNC_FROM_SYNC_IN)) {
 >  			return syncref;
 > +		}

Because syncref is unsigned, the first part of that if always evaluates true.
(it will always be >0)

	Dave

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