From: Uwe Hermann <redacted>
Date: Sat, 2 Jun 2018 21:23:55 +0000 (+0200)
Subject: hantek-6xxx: Drop some unused variables.
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=1e99158c1bb933d3a910246d31962374e429a260;p=libsigrok.git

hantek-6xxx: Drop some unused variables.
---

diff --git a/src/hardware/hantek-6xxx/api.c b/src/hardware/hantek-6xxx/api.c
index f8940d8f..d94ee45d 100644
--- a/src/hardware/hantek-6xxx/api.c
+++ b/src/hardware/hantek-6xxx/api.c
@@ -120,10 +120,6 @@ static struct sr_dev_inst *hantek_6xxx_dev_new(const struct hantek_6xxx_profile
 	devc->coupling_tab_size = prof->coupling_tab_size;
 	devc->has_coupling = prof->has_coupling;
 
-	devc->sample_buf = NULL;
-	devc->sample_buf_write = 0;
-	devc->sample_buf_size = 0;
-
 	devc->profile = prof;
 	devc->dev_state = IDLE;
 	devc->samplerate = DEFAULT_SAMPLERATE;
@@ -637,7 +633,6 @@ static int read_channel(const struct sr_dev_inst *sdi, uint32_t amount)
 	amount = MIN(amount, MAX_PACKET_SIZE);
 	ret = hantek_6xxx_get_channeldata(sdi, receive_transfer, amount);
 	devc->read_start_ts = g_get_monotonic_time();
-	devc->read_data_amount = amount;
 
 	return ret;
 }
@@ -721,9 +716,6 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi)
 	devc = sdi->priv;
 	devc->dev_state = STOPPING;
 
-	g_free(devc->sample_buf);
-	devc->sample_buf = NULL;
-
 	return SR_OK;
 }
 
diff --git a/src/hardware/hantek-6xxx/protocol.h b/src/hardware/hantek-6xxx/protocol.h
index a106fb4b..af66c70e 100644
--- a/src/hardware/hantek-6xxx/protocol.h
+++ b/src/hardware/hantek-6xxx/protocol.h
@@ -122,11 +122,6 @@ struct dev_context {
 	uint64_t aq_started;
 
 	uint64_t read_start_ts;
-	uint32_t read_data_amount;
-
-	struct libusb_transfer **sample_buf;
-	uint32_t sample_buf_write;
-	uint32_t sample_buf_size;
 
 	gboolean ch_enabled[NUM_CHANNELS];
 	int voltage[NUM_CHANNELS];