ALSA: echoaudio: add reference of struct echoaudio

added reference of struct echoaudio to free_firmware function.
this structure will be later used to get a reference of the card
when converting snd_printk to dev_* in the next patch of the series.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/echoaudio/echoaudio.c

@@ -69,7 +69,8 @@ static int get_firmware(const struct firmware **fw_entry,
 
 
 
-static void free_firmware(const struct firmware *fw_entry)
+static void free_firmware(const struct firmware *fw_entry,
+			  struct echoaudio *chip)
 {
 #ifdef CONFIG_PM_SLEEP
 	DE_ACT(("firmware not released (kept in cache)\n"));

sound/pci/echoaudio/echoaudio.h

@@ -468,7 +468,8 @@ static int wait_handshake(struct echoaudio *chip);
 static int send_vector(struct echoaudio *chip, u32 command);
 static int get_firmware(const struct firmware **fw_entry,
 			struct echoaudio *chip, const short fw_index);
-static void free_firmware(const struct firmware *fw_entry);
+static void free_firmware(const struct firmware *fw_entry,
+			  struct echoaudio *chip);
 
 #ifdef ECHOCARD_HAS_MIDI
 static int enable_midi_input(struct echoaudio *chip, char enable);

sound/pci/echoaudio/echoaudio_dsp.c

@@ -206,12 +206,12 @@ static int load_asic_generic(struct echoaudio *chip, u32 cmd, short asic)
 	}
 
 	DE_INIT(("ASIC loaded\n"));
-	free_firmware(fw);
+	free_firmware(fw, chip);
 	return 0;
 
 la_error:
 	DE_INIT(("failed on write_dsp\n"));
-	free_firmware(fw);
+	free_firmware(fw, chip);
 	return -EIO;
 }
 
@@ -317,11 +317,11 @@ static int install_resident_loader(struct echoaudio *chip)
 	}
 
 	DE_INIT(("Resident loader successfully installed\n"));
-	free_firmware(fw);
+	free_firmware(fw, chip);
 	return 0;
 
 irl_error:
-	free_firmware(fw);
+	free_firmware(fw, chip);
 	return -EIO;
 }
 
@@ -491,7 +491,7 @@ static int load_firmware(struct echoaudio *chip)
 	if (err < 0)
 		return err;
 	err = load_dsp(chip, (u16 *)fw->data);
-	free_firmware(fw);
+	free_firmware(fw, chip);
 	if (err < 0)
 		return err;