Merge tag 'trace-v7.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-tracegrafted

Pull tracing fixes from Steven Rostedt:

 - Fix error output of boot instance creation failure

   Currently if a boot instance creation fails, instead of printing out
   the name of the instance that failed, it prints "(null)". That is
   because it prints "cur_str" that had already been processed by
   strsep(). Print the saved name instead.

   While at it, print the error code of the failure.

 - Fix use-after-free for same named historgrams

   Histograms can be named so that they can be used in multiple events.
   But if the named histogram has a variable attached, the second event
   that uses the named histogram which duplicates it and needs to free
   the original after duplication leaves the old variable in place and
   still visible. If another histogram uses than variable, it will use
   the stale one which will try to reference the freed duplicate
   histogram and crash the kernel.

   Free the duplicate variables along with the duplicated histogram
   data.

 - Check return value of kthread_run() in event self test

   The events self tests uses a kthread for testing but does not check
   if it succeeded in creating a kthread. If the kthread creation were
   to fail, the code will still try to call kthread_stop() on the error
   returned.

 - Fix race between reading trace_pipe and updating subbuffer size

   If a user is reading the trace_pipe file at the same time they update
   the ring buffer sub-buffer size, can cause the trace_pipe read to
   read stale data. Add trace_access_lock() around updating the ring
   buffer sub-buffer size.

 - Fix eventfs_inode on failure path in creation of the events directory

   In the creation of the "events" directory, if after allocating the
   eventfs_inode a failure is detected, it calls cleanup_ei() which
   calls free_ei(). The free_ei() will test if eventfs_inode being freed
   has no children. It is a bug if it does. But on the failure case of
   the creation of the "events" directory, the children lists have not
   yet been initialized and the free will trigger a warning because
   list_empty() on an uninitialized list returns false.

   Move the initialization into init_ei() where it makes more sense and
   makes sure that a created eventfs_inode has its lists initialized
   upon creation.

 - Check return value of kthread_run() in ftrace direct sample code

   The sample code that shows how to use the ftrace direct calls does
   not test the return of kthread_run() to see if it succeeds. Return a
   failure if the kthread_run() doesn't succeed.

 - Clear user events state on fork in case of alloc failure

   On fork, the child gets a pointer to the parent's user events state.
   It makes a copy of it then updates the child's pointer to it. But if
   the allocation fails, the duplication function leaves the child with
   a pointer to its parent's descriptor. When the child cleans up its
   data, it will free the parent's descriptor while the parent is still
   using it.

   In the duplication function, set the child's user_event_mm to NULL
   before testing if the allocation succeeded, and when it exits it will
   not free the parent's descriptor.

 - Fix retry exhaustion in simple ring buffer reader swap

   simple_ring_buffer_swap_reader_page() starts with retry set to 8 and
   post-decrements it only after a failed link replacement. On the final
   attempt, a successful replacement leaves retry at zero, while a
   failed replacement leaves it at -1.

   But the check for success expects the retry value to be non-zero and
   exits with an error on zero. This is the opposite result. Fix it.

 - Fail nicely when the remote swap_reader_page() returns an error

   Currently, if the swap_reader_page() of a remote buffer fails, it
   triggers a WARN_ON_ONCE() and continues normally. Instead, have it
   exit with an error and a pr_warn() print instead of a full WARNING.

* tag 'trace-v7.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  ring-buffer: Stop remote reader update when page swap fails
  tracing: Fix retry exhaustion in simple ring buffer reader swap
  tracing/user_events: Clear copied tracing state before fork duplication
  samples/ftrace: Fix kthread_stop() on ERR_PTR in ftrace-direct-multi-modify
  samples/ftrace: Fix kthread_stop() on ERR_PTR in ftrace-direct-modify
  eventfs: Initialize ei->children and ei->list in init_ei()
  tracing: Fix use-after-free in trace_pipe read on sub-buffer order change
  tracing: Fix crash passing ERR_PTR to kthread_stop()
  tracing: Fix use-after-free with same-name named triggers
  tracing: Fix logged instance name on creation failure

1 files changed, 211 insertions, 0 deletions

diff --git a/sound/soc/codecs/rt298.h b/sound/soc/codecs/rt298.h
new file mode 100644
index 000000000..f1be9c135
--- /dev/null
+++ b/sound/soc/codecs/rt298.h
@@ -0,0 +1,211 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * rt298.h  --  RT298 ALSA SoC audio driver
+ *
+ * Copyright 2011 Realtek Microelectronics
+ * Author: Johnny Hsu <johnnyhsu@realtek.com>
+ */
+
+#ifndef __RT298_H__
+#define __RT298_H__
+
+#define VERB_CMD(V, N, D) ((N << 20) | (V << 8) | D)
+
+#define RT298_AUDIO_FUNCTION_GROUP			0x01
+#define RT298_DAC_OUT1					0x02
+#define RT298_DAC_OUT2					0x03
+#define RT298_DIG_CVT					0x06
+#define RT298_ADC_IN1					0x09
+#define RT298_ADC_IN2					0x08
+#define RT298_MIXER_IN					0x0b
+#define RT298_MIXER_OUT1				0x0c
+#define RT298_MIXER_OUT2				0x0d
+#define RT298_DMIC1					0x12
+#define RT298_DMIC2					0x13
+#define RT298_SPK_OUT					0x14
+#define RT298_MIC1					0x18
+#define RT298_LINE1					0x1a
+#define RT298_BEEP					0x1d
+#define RT298_SPDIF					0x1e
+#define RT298_VENDOR_REGISTERS				0x20
+#define RT298_HP_OUT					0x21
+#define RT298_MIXER_IN1					0x22
+#define RT298_MIXER_IN2					0x23
+#define RT298_INLINE_CMD				0x55
+
+#define RT298_SET_PIN_SFT				6
+#define RT298_SET_PIN_ENABLE				0x40
+#define RT298_SET_PIN_DISABLE				0
+#define RT298_SET_EAPD_HIGH				0x2
+#define RT298_SET_EAPD_LOW				0
+
+#define RT298_MUTE_SFT					7
+
+/* Verb commands */
+#define RT298_GET_PARAM(NID, PARAM) VERB_CMD(AC_VERB_PARAMETERS, NID, PARAM)
+#define RT298_SET_POWER(NID) VERB_CMD(AC_VERB_SET_POWER_STATE, NID, 0)
+#define RT298_SET_AUDIO_POWER RT298_SET_POWER(RT298_AUDIO_FUNCTION_GROUP)
+#define RT298_SET_HPO_POWER RT298_SET_POWER(RT298_HP_OUT)
+#define RT298_SET_SPK_POWER RT298_SET_POWER(RT298_SPK_OUT)
+#define RT298_SET_DMIC1_POWER RT298_SET_POWER(RT298_DMIC1)
+#define RT298_SPK_MUX\
+	VERB_CMD(AC_VERB_SET_CONNECT_SEL, RT298_SPK_OUT, 0)
+#define RT298_HPO_MUX\
+	VERB_CMD(AC_VERB_SET_CONNECT_SEL, RT298_HP_OUT, 0)
+#define RT298_ADC0_MUX\
+	VERB_CMD(AC_VERB_SET_CONNECT_SEL, RT298_MIXER_IN1, 0)
+#define RT298_ADC1_MUX\
+	VERB_CMD(AC_VERB_SET_CONNECT_SEL, RT298_MIXER_IN2, 0)
+#define RT298_SET_MIC1\
+	VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT298_MIC1, 0)
+#define RT298_SET_PIN_HPO\
+	VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT298_HP_OUT, 0)
+#define RT298_SET_PIN_SPK\
+	VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT298_SPK_OUT, 0)
+#define RT298_SET_PIN_DMIC1\
+	VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT298_DMIC1, 0)
+#define RT298_SET_PIN_SPDIF\
+	VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT298_SPDIF, 0)
+#define RT298_SET_PIN_DIG_CVT\
+	VERB_CMD(AC_VERB_SET_DIGI_CONVERT_1, RT298_DIG_CVT, 0)
+#define RT298_SPK_EAPD\
+	VERB_CMD(AC_VERB_SET_EAPD_BTLENABLE, RT298_SPK_OUT, 0)
+#define RT298_SET_AMP_GAIN_HPO\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_HP_OUT, 0)
+#define RT298_SET_AMP_GAIN_ADC_IN1\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_ADC_IN1, 0)
+#define RT298_SET_AMP_GAIN_ADC_IN2\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_ADC_IN2, 0)
+#define RT298_GET_HP_SENSE\
+	VERB_CMD(AC_VERB_GET_PIN_SENSE, RT298_HP_OUT, 0)
+#define RT298_GET_MIC1_SENSE\
+	VERB_CMD(AC_VERB_GET_PIN_SENSE, RT298_MIC1, 0)
+#define RT298_SET_DMIC2_DEFAULT\
+	VERB_CMD(AC_VERB_SET_CONFIG_DEFAULT_BYTES_3, RT298_DMIC2, 0)
+#define RT298_SET_SPDIF_DEFAULT\
+	VERB_CMD(AC_VERB_SET_CONFIG_DEFAULT_BYTES_3, RT298_SPDIF, 0)
+#define RT298_DACL_GAIN\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_DAC_OUT1, 0xa000)
+#define RT298_DACR_GAIN\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_DAC_OUT1, 0x9000)
+#define RT298_ADCL_GAIN\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_ADC_IN1, 0x6000)
+#define RT298_ADCR_GAIN\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_ADC_IN1, 0x5000)
+#define RT298_MIC_GAIN\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIC1, 0x7000)
+#define RT298_SPOL_GAIN\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_SPK_OUT, 0xa000)
+#define RT298_SPOR_GAIN\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_SPK_OUT, 0x9000)
+#define RT298_HPOL_GAIN\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_HP_OUT, 0xa000)
+#define RT298_HPOR_GAIN\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_HP_OUT, 0x9000)
+#define RT298_F_DAC_SWITCH\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIXER_OUT1, 0x7000)
+#define RT298_F_RECMIX_SWITCH\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIXER_OUT1, 0x7100)
+#define RT298_REC_MIC_SWITCH\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIXER_IN, 0x7000)
+#define RT298_REC_I2S_SWITCH\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIXER_IN, 0x7100)
+#define RT298_REC_LINE_SWITCH\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIXER_IN, 0x7200)
+#define RT298_REC_BEEP_SWITCH\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIXER_IN, 0x7300)
+#define RT298_DAC_FORMAT\
+	VERB_CMD(AC_VERB_SET_STREAM_FORMAT, RT298_DAC_OUT1, 0)
+#define RT298_ADC_FORMAT\
+	VERB_CMD(AC_VERB_SET_STREAM_FORMAT, RT298_ADC_IN1, 0)
+#define RT298_COEF_INDEX\
+	VERB_CMD(AC_VERB_SET_COEF_INDEX, RT298_VENDOR_REGISTERS, 0)
+#define RT298_PROC_COEF\
+	VERB_CMD(AC_VERB_SET_PROC_COEF, RT298_VENDOR_REGISTERS, 0)
+#define RT298_UNSOLICITED_INLINE_CMD\
+	VERB_CMD(AC_VERB_SET_UNSOLICITED_ENABLE, RT298_INLINE_CMD, 0)
+#define RT298_UNSOLICITED_HP_OUT\
+	VERB_CMD(AC_VERB_SET_UNSOLICITED_ENABLE, RT298_HP_OUT, 0)
+#define RT298_UNSOLICITED_MIC1\
+	VERB_CMD(AC_VERB_SET_UNSOLICITED_ENABLE, RT298_MIC1, 0)
+
+/* Index registers */
+#define RT298_A_BIAS_CTRL1	0x01
+#define RT298_A_BIAS_CTRL2	0x02
+#define RT298_POWER_CTRL1	0x03
+#define RT298_A_BIAS_CTRL3	0x04
+#define RT298_D_FILTER_CTRL	0x05
+#define RT298_POWER_CTRL2	0x08
+#define RT298_I2S_CTRL1		0x09
+#define RT298_I2S_CTRL2		0x0a
+#define RT298_CLK_DIV		0x0b
+#define RT298_DC_GAIN		0x0d
+#define RT298_POWER_CTRL3	0x0f
+#define RT298_MIC1_DET_CTRL	0x19
+#define RT298_MISC_CTRL1	0x20
+#define RT298_IRQ_CTRL		0x33
+#define RT298_WIND_FILTER_CTRL	0x46
+#define RT298_PLL_CTRL1		0x49
+#define RT298_VAD_CTRL		0x4e
+#define RT298_CBJ_CTRL1		0x4f
+#define RT298_CBJ_CTRL2		0x50
+#define RT298_PLL_CTRL		0x63
+#define RT298_DEPOP_CTRL1	0x66
+#define RT298_DEPOP_CTRL2	0x67
+#define RT298_DEPOP_CTRL3	0x68
+#define RT298_DEPOP_CTRL4	0x69
+#define RT298_IRQ_FLAG_CTRL	0x7c
+
+/* SPDIF (0x06) */
+#define RT298_SPDIF_SEL_SFT	0
+#define RT298_SPDIF_SEL_PCM0	0
+#define RT298_SPDIF_SEL_PCM1	1
+#define RT298_SPDIF_SEL_SPOUT	2
+#define RT298_SPDIF_SEL_PP	3
+
+/* RECMIX (0x0b) */
+#define RT298_M_REC_BEEP_SFT	0
+#define RT298_M_REC_LINE1_SFT	1
+#define RT298_M_REC_MIC1_SFT	2
+#define RT298_M_REC_I2S_SFT	3
+
+/* Front (0x0c) */
+#define RT298_M_FRONT_DAC_SFT	0
+#define RT298_M_FRONT_REC_SFT	1
+
+/* SPK-OUT (0x14) */
+#define RT298_M_SPK_MUX_SFT	14
+#define RT298_SPK_SEL_MASK	0x1
+#define RT298_SPK_SEL_SFT	0
+#define RT298_SPK_SEL_F		0
+#define RT298_SPK_SEL_S		1
+
+/* HP-OUT (0x21) */
+#define RT298_M_HP_MUX_SFT	14
+#define RT298_HP_SEL_MASK	0x1
+#define RT298_HP_SEL_SFT	0
+#define RT298_HP_SEL_F		0
+#define RT298_HP_SEL_S		1
+
+/* ADC (0x22) (0x23) */
+#define RT298_ADC_SEL_MASK	0x7
+#define RT298_ADC_SEL_SFT	0
+#define RT298_ADC_SEL_SURR	0
+#define RT298_ADC_SEL_FRONT	1
+#define RT298_ADC_SEL_DMIC	2
+#define RT298_ADC_SEL_BEEP	4
+#define RT298_ADC_SEL_LINE1	5
+#define RT298_ADC_SEL_I2S	6
+#define RT298_ADC_SEL_MIC1	7
+
+#define RT298_SCLK_S_MCLK	0
+#define RT298_SCLK_S_PLL	1
+
+enum {
+	RT298_AIF1,
+	RT298_AIF2,
+	RT298_AIFS,
+};
+
+#endif /* __RT298_H__ */
+