drivers: Drop unneeded or duplicate comments.

[libsigrok.git] / src / hardware / pipistrello-ols / protocol.c

diff --git a/src/hardware/pipistrello-ols/protocol.c b/src/hardware/pipistrello-ols/protocol.c
index dbe79c6a5a385283e5912d1b12231ab40cc6565c..66430acb9544ad25f6e148e4d3b895d86ef48e2e 100644 (file)
--- a/src/hardware/pipistrello-ols/protocol.c
+++ b/src/hardware/pipistrello-ols/protocol.c
@@ -73,7 +73,6 @@ SR_PRIV int p_ols_open(struct dev_context *devc)
 
        /* Note: Caller checks devc and devc->ftdic. */
 
-       /* Select interface B, otherwise communication will fail. */
        ret = ftdi_set_interface(devc->ftdic, INTERFACE_B);
        if (ret < 0) {
                sr_err("Failed to set FTDI interface B (%d): %s", ret,
@@ -81,7 +80,6 @@ SR_PRIV int p_ols_open(struct dev_context *devc)
                return SR_ERR;
        }
 
-       /* Check for the device and temporarily open it. */
        ret = ftdi_usb_open_desc(devc->ftdic, USB_VENDOR_ID, USB_DEVICE_ID,
                                 USB_IPRODUCT, NULL);
        if (ret < 0) {
@@ -92,14 +90,12 @@ SR_PRIV int p_ols_open(struct dev_context *devc)
                return SR_ERR;
        }
 
-       /* Purge RX/TX buffers in the FTDI chip. */
        if ((ret = ftdi_usb_purge_buffers(devc->ftdic)) < 0) {
                sr_err("Failed to purge FTDI RX/TX buffers (%d): %s.",
                       ret, ftdi_get_error_string(devc->ftdic));
                goto err_open_close_ftdic;
        }
 
-       /* Reset the FTDI bitmode. */
        ret = ftdi_set_bitmode(devc->ftdic, 0xff, BITMODE_RESET);
        if (ret < 0) {
                sr_err("Failed to reset the FTDI chip bitmode (%d): %s.",
@@ -107,7 +103,6 @@ SR_PRIV int p_ols_open(struct dev_context *devc)
                goto err_open_close_ftdic;
        }
 
-       /* Set the FTDI latency timer to 16. */
        ret = ftdi_set_latency_timer(devc->ftdic, 16);
        if (ret < 0) {
                sr_err("Failed to set FTDI latency timer (%d): %s.",
@@ -115,7 +110,6 @@ SR_PRIV int p_ols_open(struct dev_context *devc)
                goto err_open_close_ftdic;
        }
 
-       /* Set the FTDI read data chunk size to 64kB. */
        ret = ftdi_read_data_set_chunksize(devc->ftdic, 64 * 1024);
        if (ret < 0) {
                sr_err("Failed to set FTDI read data chunk size (%d): %s.",