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Commit 8ef22f79 authored by Devin Heitmueller's avatar Devin Heitmueller Committed by Mauro Carvalho Chehab
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V4L/DVB: cx18: export a couple of symbols so they can be shared with cx18-alsa 



Expose a couple of symbols in the cx18 module so that locking of the PCM
stream can be shared with the cx18-alsa module.

This work was sponsored by ONELAN Limited.

Signed-off-by: default avatarDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 4cb565cc

drivers/media/video/cx18/cx18-fileops.c

+4 −2
Original line number Diff line number Diff line
@@ -40,7 +40,7 @@ 
   associated VBI and IDX streams are also automatically claimed.

   Possible error returns: -EBUSY if someone else has claimed

   the stream or 0 on success. */

static int cx18_claim_stream(struct cx18_open_id *id, int type)

int cx18_claim_stream(struct cx18_open_id *id, int type)

{

	struct cx18 *cx = id->cx;

	struct cx18_stream *s = &cx->streams[type];
@@ -96,10 +96,11 @@ static int cx18_claim_stream(struct cx18_open_id *id, int type) 
	set_bit(CX18_F_S_INTERNAL_USE, &s_assoc->s_flags);

	return 0;

}

EXPORT_SYMBOL(cx18_claim_stream);



/* This function releases a previously claimed stream. It will take into

   account associated VBI streams. */

static void cx18_release_stream(struct cx18_stream *s)

void cx18_release_stream(struct cx18_stream *s)

{

	struct cx18 *cx = s->cx;

	struct cx18_stream *s_assoc;
@@ -154,6 +155,7 @@ static void cx18_release_stream(struct cx18_stream *s) 
		}

	}

}

EXPORT_SYMBOL(cx18_release_stream);



static void cx18_dualwatch(struct cx18 *cx)

{

drivers/media/video/cx18/cx18-fileops.h

+3 −0
Original line number Diff line number Diff line
@@ -34,3 +34,6 @@ void cx18_stop_capture(struct cx18_open_id *id, int gop_end); 
void cx18_mute(struct cx18 *cx);

void cx18_unmute(struct cx18 *cx);



/* Shared with cx18-alsa module */

int cx18_claim_stream(struct cx18_open_id *id, int type);

void cx18_release_stream(struct cx18_stream *s);