Commit e1edb19a authored by Michael Krufky's avatar Michael Krufky Committed by Mauro Carvalho Chehab
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V4L/DVB (7304): pvrusb2: add function pvr2_hdw_cmd_powerdown 



Call pvr2_hdw_cmd_powerdown to power down the device

Signed-off-by: default avatarMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: default avatarMike Isely <isely@pobox.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent dbc40a0e

drivers/media/video/pvrusb2/pvrusb2-hdw.c

+19 −4
Original line number Diff line number Diff line
@@ -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 {

		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)

{

drivers/media/video/pvrusb2/pvrusb2-hdw.h

+3 −0
Original line number Diff line number Diff line
@@ -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 *);