V4L/DVB (7304): pvrusb2: add function pvr2_hdw_cmd_powerdown

Call pvr2_hdw_cmd_powerdown to power down the device

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

2 files changed, 22 insertions, 4 deletions

diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index ae36948c6c1d..9408e8db98ef 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -3193,17 +3193,32 @@ int pvr2_hdw_cmd_deep_reset(struct pvr2_hdw *hdw)
 }
 
 
-int pvr2_hdw_cmd_powerup(struct pvr2_hdw *hdw)
+static int pvr2_hdw_cmd_power_ctrl(struct pvr2_hdw *hdw, int onoff)
 {
         int status;
         LOCK_TAKE(hdw->ctl_lock); do {
-                pvr2_trace(PVR2_TRACE_INIT,"Requesting powerup");
-                hdw->cmd_buffer[0] = FX2CMD_POWER_ON;
-                status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0);
+                if (onoff) {
+                        pvr2_trace(PVR2_TRACE_INIT, "Requesting powerup");
+                        hdw->cmd_buffer[0] = FX2CMD_POWER_ON;
+                } else {
+                        pvr2_trace(PVR2_TRACE_INIT, "Requesting powerdown");
+                        hdw->cmd_buffer[0] = FX2CMD_POWER_OFF;
+                }
+                status = pvr2_send_request(hdw, hdw->cmd_buffer, 1, NULL, 0);
         } while (0); LOCK_GIVE(hdw->ctl_lock);
         return status;
 }
 
+int pvr2_hdw_cmd_powerup(struct pvr2_hdw *hdw)
+{
+        return pvr2_hdw_cmd_power_ctrl(hdw, 1);
+}
+
+int pvr2_hdw_cmd_powerdown(struct pvr2_hdw *hdw)
+{
+        return pvr2_hdw_cmd_power_ctrl(hdw, 0);
+}
+
 
 int pvr2_hdw_cmd_decoder_reset(struct pvr2_hdw *hdw)
 {
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.h b/drivers/media/video/pvrusb2/pvrusb2-hdw.h
index 2919a1d9ed0f..57e1ff491497 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.h
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.h
@@ -255,6 +255,9 @@ int pvr2_hdw_cmd_deep_reset(struct pvr2_hdw *);
 /* Execute simple reset command */
 int pvr2_hdw_cmd_powerup(struct pvr2_hdw *);
 
+/* suspend */
+int pvr2_hdw_cmd_powerdown(struct pvr2_hdw *);
+
 /* Order decoder to reset */
 int pvr2_hdw_cmd_decoder_reset(struct pvr2_hdw *);