ALSA: fireworks/bebob: Use the same type of variables as function parameters

The second argument of snd_efw_command_get_sampling_rate() means sampling
rate and its type is 'unsigned int'. But 'int' variable is passed as parameter.
It's better to apply the same type for the variable as its argument.

Similally, the type of variable for snd_efw_command_get_clock_source() and
avc_bridgeco_get_plug_type() should be the same type as each argument.
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/firewire/bebob/bebob_stream.c

@@ -852,7 +852,8 @@ static int
 seek_msu_sync_input_plug(struct snd_bebob *bebob)
 {
 	u8 plugs[AVC_PLUG_INFO_BUF_BYTES], addr[AVC_BRIDGECO_ADDR_BYTES];
-	unsigned int i, type;
+	unsigned int i;
+	enum avc_bridgeco_plug_type type;
 	int err;
 
 	/* Get the number of Music Sub Unit for both direction. */

sound/firewire/fireworks/fireworks_pcm.c

@@ -195,8 +195,8 @@ pcm_init_hw_params(struct snd_efw *efw,
 static int pcm_open(struct snd_pcm_substream *substream)
 {
 	struct snd_efw *efw = substream->private_data;
-	int sampling_rate;
-	unsigned int clock_source;
+	unsigned int sampling_rate;
+	enum snd_efw_clock_source clock_source;
 	int err;
 
 	err = snd_efw_stream_lock_try(efw);