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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/usb/gadget/legacy/audio.c
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@@ -17,65 +17,103 @@
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17
 
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 USB_GADGET_COMPOSITE_OPTIONS();
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-#if !defined(CONFIG_GADGET_UAC1) || !defined(CONFIG_GADGET_UAC1_LEGACY)
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-#include "u_uac.h"
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+#ifndef CONFIG_GADGET_UAC1
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+#include "u_uac2.h"
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22
 
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 /* Playback(USB-IN) Default Stereo - Fl/Fr */
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-static int p_chmask = UAC_DEF_PCHMASK;
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-module_param(p_chmask, uint, S_IRUGO);
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+static int p_chmask = UAC2_DEF_PCHMASK;
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+module_param(p_chmask, uint, 0444);
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 MODULE_PARM_DESC(p_chmask, "Playback Channel Mask");
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 /* Playback Default 48 KHz */
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-static int p_srate = UAC_DEF_PSRATE;
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-module_param(p_srate, uint, S_IRUGO);
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-MODULE_PARM_DESC(p_srate, "Playback Sampling Rate");
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+static int p_srates[UAC_MAX_RATES] = {UAC2_DEF_PSRATE};
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+static int p_srates_cnt = 1;
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+module_param_array_named(p_srate, p_srates, uint, &p_srates_cnt, 0444);
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+MODULE_PARM_DESC(p_srate, "Playback Sampling Rates (array)");
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 /* Playback Default 16bits/sample */
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-static int p_ssize = UAC_DEF_PSSIZE;
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-module_param(p_ssize, uint, S_IRUGO);
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+static int p_ssize = UAC2_DEF_PSSIZE;
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+module_param(p_ssize, uint, 0444);
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 MODULE_PARM_DESC(p_ssize, "Playback Sample Size(bytes)");
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 /* Capture(USB-OUT) Default Stereo - Fl/Fr */
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-static int c_chmask = UAC_DEF_CCHMASK;
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-module_param(c_chmask, uint, S_IRUGO);
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+static int c_chmask = UAC2_DEF_CCHMASK;
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+module_param(c_chmask, uint, 0444);
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 MODULE_PARM_DESC(c_chmask, "Capture Channel Mask");
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 /* Capture Default 64 KHz */
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-static int c_srate = UAC_DEF_CSRATE;
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-module_param(c_srate, uint, S_IRUGO);
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-MODULE_PARM_DESC(c_srate, "Capture Sampling Rate");
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+static int c_srates[UAC_MAX_RATES] = {UAC2_DEF_CSRATE};
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+static int c_srates_cnt = 1;
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+module_param_array_named(c_srate, c_srates, uint, &c_srates_cnt, 0444);
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+MODULE_PARM_DESC(c_srate, "Capture Sampling Rates (array)");
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 /* Capture Default 16bits/sample */
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-static int c_ssize = UAC_DEF_CSSIZE;
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-module_param(c_ssize, uint, S_IRUGO);
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+static int c_ssize = UAC2_DEF_CSSIZE;
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+module_param(c_ssize, uint, 0444);
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+MODULE_PARM_DESC(c_ssize, "Capture Sample Size(bytes)");
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+#else
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+#ifndef CONFIG_GADGET_UAC1_LEGACY
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+#include "u_uac1.h"
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+
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+/* Playback(USB-IN) Default Stereo - Fl/Fr */
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+static int p_chmask = UAC1_DEF_PCHMASK;
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+module_param(p_chmask, uint, 0444);
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+MODULE_PARM_DESC(p_chmask, "Playback Channel Mask");
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+
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+/* Playback Default 48 KHz */
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+static int p_srates[UAC_MAX_RATES] = {UAC1_DEF_PSRATE};
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+static int p_srates_cnt = 1;
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+module_param_array_named(p_srate, p_srates, uint, &p_srates_cnt, 0444);
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+MODULE_PARM_DESC(p_srate, "Playback Sampling Rates (array)");
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+
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+/* Playback Default 16bits/sample */
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+static int p_ssize = UAC1_DEF_PSSIZE;
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+module_param(p_ssize, uint, 0444);
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+MODULE_PARM_DESC(p_ssize, "Playback Sample Size(bytes)");
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+
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+/* Capture(USB-OUT) Default Stereo - Fl/Fr */
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+static int c_chmask = UAC1_DEF_CCHMASK;
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+module_param(c_chmask, uint, 0444);
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+MODULE_PARM_DESC(c_chmask, "Capture Channel Mask");
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+
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+/* Capture Default 48 KHz */
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+static int c_srates[UAC_MAX_RATES] = {UAC1_DEF_CSRATE};
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+static int c_srates_cnt = 1;
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+module_param_array_named(c_srate, c_srates, uint, &c_srates_cnt, 0444);
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+MODULE_PARM_DESC(c_srate, "Capture Sampling Rates (array)");
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+
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+/* Capture Default 16bits/sample */
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+static int c_ssize = UAC1_DEF_CSSIZE;
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+module_param(c_ssize, uint, 0444);
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 MODULE_PARM_DESC(c_ssize, "Capture Sample Size(bytes)");
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 #else /* CONFIG_GADGET_UAC1_LEGACY */
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 #include "u_uac1_legacy.h"
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 static char *fn_play = FILE_PCM_PLAYBACK;
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-module_param(fn_play, charp, S_IRUGO);
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+module_param(fn_play, charp, 0444);
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 MODULE_PARM_DESC(fn_play, "Playback PCM device file name");
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 static char *fn_cap = FILE_PCM_CAPTURE;
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-module_param(fn_cap, charp, S_IRUGO);
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+module_param(fn_cap, charp, 0444);
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 MODULE_PARM_DESC(fn_cap, "Capture PCM device file name");
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 static char *fn_cntl = FILE_CONTROL;
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-module_param(fn_cntl, charp, S_IRUGO);
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+module_param(fn_cntl, charp, 0444);
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 MODULE_PARM_DESC(fn_cntl, "Control device file name");
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 static int req_buf_size = UAC1_OUT_EP_MAX_PACKET_SIZE;
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-module_param(req_buf_size, int, S_IRUGO);
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+module_param(req_buf_size, int, 0444);
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 MODULE_PARM_DESC(req_buf_size, "ISO OUT endpoint request buffer size");
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 static int req_count = UAC1_REQ_COUNT;
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-module_param(req_count, int, S_IRUGO);
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+module_param(req_count, int, 0444);
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 MODULE_PARM_DESC(req_count, "ISO OUT endpoint request count");
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 static int audio_buf_size = UAC1_AUDIO_BUF_SIZE;
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-module_param(audio_buf_size, int, S_IRUGO);
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+module_param(audio_buf_size, int, 0444);
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 MODULE_PARM_DESC(audio_buf_size, "Audio buffer size");
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 #endif /* CONFIG_GADGET_UAC1_LEGACY */
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+#endif
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 /* string IDs are assigned dynamically */
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@@ -201,10 +239,16 @@
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 static int audio_bind(struct usb_composite_dev *cdev)
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 {
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-#if !defined(CONFIG_GADGET_UAC1) || !defined(CONFIG_GADGET_UAC1_LEGACY)
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-	struct f_uac_opts	*uac_opts;
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+#ifndef CONFIG_GADGET_UAC1
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+	struct f_uac2_opts	*uac2_opts;
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+	int i;
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+#else
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+#ifndef CONFIG_GADGET_UAC1_LEGACY
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+	struct f_uac1_opts	*uac1_opts;
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+	int i;
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 #else
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 	struct f_uac1_legacy_opts	*uac1_opts;
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+#endif
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 #endif
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 	int			status;
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@@ -212,11 +256,9 @@
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 	fi_uac2 = usb_get_function_instance("uac2");
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 	if (IS_ERR(fi_uac2))
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 		return PTR_ERR(fi_uac2);
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-	uac_opts = container_of(fi_uac2, struct f_uac_opts, func_inst);
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 #else
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 #ifndef CONFIG_GADGET_UAC1_LEGACY
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 	fi_uac1 = usb_get_function_instance("uac1");
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-	uac_opts = container_of(fi_uac1, struct f_uac_opts, func_inst);
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 #else
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 	fi_uac1 = usb_get_function_instance("uac1_legacy");
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 #endif
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@@ -224,17 +266,37 @@
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 		return PTR_ERR(fi_uac1);
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 #endif
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-#if !defined(CONFIG_GADGET_UAC1) || !defined(CONFIG_GADGET_UAC1_LEGACY)
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-	memset(uac_opts, 0x0, sizeof(*uac_opts));
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-	uac_opts->p_chmask = p_chmask;
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-	uac_opts->p_srate[0] = p_srate;
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-	uac_opts->p_srate_active = p_srate;
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-	uac_opts->p_ssize = p_ssize;
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-	uac_opts->c_chmask = c_chmask;
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-	uac_opts->c_srate[0] = c_srate;
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-	uac_opts->c_srate_active = c_srate;
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-	uac_opts->c_ssize = c_ssize;
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-	uac_opts->req_number = UAC_DEF_REQ_NUM;
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+#ifndef CONFIG_GADGET_UAC1
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+	uac2_opts = container_of(fi_uac2, struct f_uac2_opts, func_inst);
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+	uac2_opts->p_chmask = p_chmask;
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+
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+	for (i = 0; i < p_srates_cnt; ++i)
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+		uac2_opts->p_srates[i] = p_srates[i];
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+
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+	uac2_opts->p_ssize = p_ssize;
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+	uac2_opts->c_chmask = c_chmask;
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+
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+	for (i = 0; i < c_srates_cnt; ++i)
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+		uac2_opts->c_srates[i] = c_srates[i];
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+
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+	uac2_opts->c_ssize = c_ssize;
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+	uac2_opts->req_number = UAC2_DEF_REQ_NUM;
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+#else
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+#ifndef CONFIG_GADGET_UAC1_LEGACY
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+	uac1_opts = container_of(fi_uac1, struct f_uac1_opts, func_inst);
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+	uac1_opts->p_chmask = p_chmask;
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+
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+	for (i = 0; i < p_srates_cnt; ++i)
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+		uac1_opts->p_srates[i] = p_srates[i];
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+
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+	uac1_opts->p_ssize = p_ssize;
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+	uac1_opts->c_chmask = c_chmask;
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+
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+	for (i = 0; i < c_srates_cnt; ++i)
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+		uac1_opts->c_srates[i] = c_srates[i];
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+
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+	uac1_opts->c_ssize = c_ssize;
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+	uac1_opts->req_number = UAC1_DEF_REQ_NUM;
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 #else /* CONFIG_GADGET_UAC1_LEGACY */
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 	uac1_opts = container_of(fi_uac1, struct f_uac1_legacy_opts, func_inst);
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 	uac1_opts->fn_play = fn_play;
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@@ -244,6 +306,7 @@
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 	uac1_opts->req_count = req_count;
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 	uac1_opts->audio_buf_size = audio_buf_size;
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 #endif /* CONFIG_GADGET_UAC1_LEGACY */
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+#endif
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 	status = usb_string_ids_tab(cdev, strings_dev);
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 	if (status < 0)