[PATCH] ASoC: q6afe-clocks: fix reprobing of the driver
Srinivas Kandagatla
srinivas.kandagatla at linaro.org
Tue Mar 30 11:08:31 CEST 2021
Thanks Dmitry for looking at this,
On 27/03/2021 09:28, Dmitry Baryshkov wrote:
> Q6afe-clocks driver can get reprobed. For example if the APR services
> are restarted after the firmware crash. However currently Q6afe-clocks
> driver will oops because hw.init will get cleared during first _probe
> call. Rewrite the driver to fill the clock data at runtime rather than
> using big static array of clocks.
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
> ---
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
--srini
> sound/soc/qcom/qdsp6/q6afe-clocks.c | 209 ++++++++++++++--------------
> sound/soc/qcom/qdsp6/q6afe.c | 2 +-
> sound/soc/qcom/qdsp6/q6afe.h | 2 +-
> 3 files changed, 108 insertions(+), 105 deletions(-)
>
> diff --git a/sound/soc/qcom/qdsp6/q6afe-clocks.c b/sound/soc/qcom/qdsp6/q6afe-clocks.c
> index f0362f061652..9431656283cd 100644
> --- a/sound/soc/qcom/qdsp6/q6afe-clocks.c
> +++ b/sound/soc/qcom/qdsp6/q6afe-clocks.c
> @@ -11,33 +11,29 @@
> #include <linux/slab.h>
> #include "q6afe.h"
>
> -#define Q6AFE_CLK(id) &(struct q6afe_clk) { \
> +#define Q6AFE_CLK(id) { \
> .clk_id = id, \
> .afe_clk_id = Q6AFE_##id, \
> .name = #id, \
> - .attributes = LPASS_CLK_ATTRIBUTE_COUPLE_NO, \
> .rate = 19200000, \
> - .hw.init = &(struct clk_init_data) { \
> - .ops = &clk_q6afe_ops, \
> - .name = #id, \
> - }, \
> }
>
> -#define Q6AFE_VOTE_CLK(id, blkid, n) &(struct q6afe_clk) { \
> +#define Q6AFE_VOTE_CLK(id, blkid, n) { \
> .clk_id = id, \
> .afe_clk_id = blkid, \
> - .name = #n, \
> - .hw.init = &(struct clk_init_data) { \
> - .ops = &clk_vote_q6afe_ops, \
> - .name = #id, \
> - }, \
> + .name = n, \
> }
>
> -struct q6afe_clk {
> - struct device *dev;
> +struct q6afe_clk_init {
> int clk_id;
> int afe_clk_id;
> char *name;
> + int rate;
> +};
> +
> +struct q6afe_clk {
> + struct device *dev;
> + int afe_clk_id;
> int attributes;
> int rate;
> uint32_t handle;
> @@ -48,8 +44,7 @@ struct q6afe_clk {
>
> struct q6afe_cc {
> struct device *dev;
> - struct q6afe_clk **clks;
> - int num_clks;
> + struct q6afe_clk *clks[Q6AFE_MAX_CLK_ID];
> };
>
> static int clk_q6afe_prepare(struct clk_hw *hw)
> @@ -105,7 +100,7 @@ static int clk_vote_q6afe_block(struct clk_hw *hw)
> struct q6afe_clk *clk = to_q6afe_clk(hw);
>
> return q6afe_vote_lpass_core_hw(clk->dev, clk->afe_clk_id,
> - clk->name, &clk->handle);
> + clk_hw_get_name(&clk->hw), &clk->handle);
> }
>
> static void clk_unvote_q6afe_block(struct clk_hw *hw)
> @@ -120,84 +115,76 @@ static const struct clk_ops clk_vote_q6afe_ops = {
> .unprepare = clk_unvote_q6afe_block,
> };
>
> -static struct q6afe_clk *q6afe_clks[Q6AFE_MAX_CLK_ID] = {
> - [LPASS_CLK_ID_PRI_MI2S_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_PRI_MI2S_IBIT),
> - [LPASS_CLK_ID_PRI_MI2S_EBIT] = Q6AFE_CLK(LPASS_CLK_ID_PRI_MI2S_EBIT),
> - [LPASS_CLK_ID_SEC_MI2S_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_SEC_MI2S_IBIT),
> - [LPASS_CLK_ID_SEC_MI2S_EBIT] = Q6AFE_CLK(LPASS_CLK_ID_SEC_MI2S_EBIT),
> - [LPASS_CLK_ID_TER_MI2S_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_TER_MI2S_IBIT),
> - [LPASS_CLK_ID_TER_MI2S_EBIT] = Q6AFE_CLK(LPASS_CLK_ID_TER_MI2S_EBIT),
> - [LPASS_CLK_ID_QUAD_MI2S_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_QUAD_MI2S_IBIT),
> - [LPASS_CLK_ID_QUAD_MI2S_EBIT] = Q6AFE_CLK(LPASS_CLK_ID_QUAD_MI2S_EBIT),
> - [LPASS_CLK_ID_SPEAKER_I2S_IBIT] =
> - Q6AFE_CLK(LPASS_CLK_ID_SPEAKER_I2S_IBIT),
> - [LPASS_CLK_ID_SPEAKER_I2S_EBIT] =
> - Q6AFE_CLK(LPASS_CLK_ID_SPEAKER_I2S_EBIT),
> - [LPASS_CLK_ID_SPEAKER_I2S_OSR] =
> - Q6AFE_CLK(LPASS_CLK_ID_SPEAKER_I2S_OSR),
> - [LPASS_CLK_ID_QUI_MI2S_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_QUI_MI2S_IBIT),
> - [LPASS_CLK_ID_QUI_MI2S_EBIT] = Q6AFE_CLK(LPASS_CLK_ID_QUI_MI2S_EBIT),
> - [LPASS_CLK_ID_SEN_MI2S_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_SEN_MI2S_IBIT),
> - [LPASS_CLK_ID_SEN_MI2S_EBIT] = Q6AFE_CLK(LPASS_CLK_ID_SEN_MI2S_EBIT),
> - [LPASS_CLK_ID_INT0_MI2S_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_INT0_MI2S_IBIT),
> - [LPASS_CLK_ID_INT1_MI2S_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_INT1_MI2S_IBIT),
> - [LPASS_CLK_ID_INT2_MI2S_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_INT2_MI2S_IBIT),
> - [LPASS_CLK_ID_INT3_MI2S_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_INT3_MI2S_IBIT),
> - [LPASS_CLK_ID_INT4_MI2S_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_INT4_MI2S_IBIT),
> - [LPASS_CLK_ID_INT5_MI2S_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_INT5_MI2S_IBIT),
> - [LPASS_CLK_ID_INT6_MI2S_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_INT6_MI2S_IBIT),
> - [LPASS_CLK_ID_QUI_MI2S_OSR] = Q6AFE_CLK(LPASS_CLK_ID_QUI_MI2S_OSR),
> - [LPASS_CLK_ID_PRI_PCM_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_PRI_PCM_IBIT),
> - [LPASS_CLK_ID_PRI_PCM_EBIT] = Q6AFE_CLK(LPASS_CLK_ID_PRI_PCM_EBIT),
> - [LPASS_CLK_ID_SEC_PCM_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_SEC_PCM_IBIT),
> - [LPASS_CLK_ID_SEC_PCM_EBIT] = Q6AFE_CLK(LPASS_CLK_ID_SEC_PCM_EBIT),
> - [LPASS_CLK_ID_TER_PCM_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_TER_PCM_IBIT),
> - [LPASS_CLK_ID_TER_PCM_EBIT] = Q6AFE_CLK(LPASS_CLK_ID_TER_PCM_EBIT),
> - [LPASS_CLK_ID_QUAD_PCM_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_QUAD_PCM_IBIT),
> - [LPASS_CLK_ID_QUAD_PCM_EBIT] = Q6AFE_CLK(LPASS_CLK_ID_QUAD_PCM_EBIT),
> - [LPASS_CLK_ID_QUIN_PCM_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_QUIN_PCM_IBIT),
> - [LPASS_CLK_ID_QUIN_PCM_EBIT] = Q6AFE_CLK(LPASS_CLK_ID_QUIN_PCM_EBIT),
> - [LPASS_CLK_ID_QUI_PCM_OSR] = Q6AFE_CLK(LPASS_CLK_ID_QUI_PCM_OSR),
> - [LPASS_CLK_ID_PRI_TDM_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_PRI_TDM_IBIT),
> - [LPASS_CLK_ID_PRI_TDM_EBIT] = Q6AFE_CLK(LPASS_CLK_ID_PRI_TDM_EBIT),
> - [LPASS_CLK_ID_SEC_TDM_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_SEC_TDM_IBIT),
> - [LPASS_CLK_ID_SEC_TDM_EBIT] = Q6AFE_CLK(LPASS_CLK_ID_SEC_TDM_EBIT),
> - [LPASS_CLK_ID_TER_TDM_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_TER_TDM_IBIT),
> - [LPASS_CLK_ID_TER_TDM_EBIT] = Q6AFE_CLK(LPASS_CLK_ID_TER_TDM_EBIT),
> - [LPASS_CLK_ID_QUAD_TDM_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_QUAD_TDM_IBIT),
> - [LPASS_CLK_ID_QUAD_TDM_EBIT] = Q6AFE_CLK(LPASS_CLK_ID_QUAD_TDM_EBIT),
> - [LPASS_CLK_ID_QUIN_TDM_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_QUIN_TDM_IBIT),
> - [LPASS_CLK_ID_QUIN_TDM_EBIT] = Q6AFE_CLK(LPASS_CLK_ID_QUIN_TDM_EBIT),
> - [LPASS_CLK_ID_QUIN_TDM_OSR] = Q6AFE_CLK(LPASS_CLK_ID_QUIN_TDM_OSR),
> - [LPASS_CLK_ID_MCLK_1] = Q6AFE_CLK(LPASS_CLK_ID_MCLK_1),
> - [LPASS_CLK_ID_MCLK_2] = Q6AFE_CLK(LPASS_CLK_ID_MCLK_2),
> - [LPASS_CLK_ID_MCLK_3] = Q6AFE_CLK(LPASS_CLK_ID_MCLK_3),
> - [LPASS_CLK_ID_MCLK_4] = Q6AFE_CLK(LPASS_CLK_ID_MCLK_4),
> - [LPASS_CLK_ID_INTERNAL_DIGITAL_CODEC_CORE] =
> - Q6AFE_CLK(LPASS_CLK_ID_INTERNAL_DIGITAL_CODEC_CORE),
> - [LPASS_CLK_ID_INT_MCLK_0] = Q6AFE_CLK(LPASS_CLK_ID_INT_MCLK_0),
> - [LPASS_CLK_ID_INT_MCLK_1] = Q6AFE_CLK(LPASS_CLK_ID_INT_MCLK_1),
> - [LPASS_CLK_ID_WSA_CORE_MCLK] = Q6AFE_CLK(LPASS_CLK_ID_WSA_CORE_MCLK),
> - [LPASS_CLK_ID_WSA_CORE_NPL_MCLK] =
> - Q6AFE_CLK(LPASS_CLK_ID_WSA_CORE_NPL_MCLK),
> - [LPASS_CLK_ID_VA_CORE_MCLK] = Q6AFE_CLK(LPASS_CLK_ID_VA_CORE_MCLK),
> - [LPASS_CLK_ID_TX_CORE_MCLK] = Q6AFE_CLK(LPASS_CLK_ID_TX_CORE_MCLK),
> - [LPASS_CLK_ID_TX_CORE_NPL_MCLK] =
> - Q6AFE_CLK(LPASS_CLK_ID_TX_CORE_NPL_MCLK),
> - [LPASS_CLK_ID_RX_CORE_MCLK] = Q6AFE_CLK(LPASS_CLK_ID_RX_CORE_MCLK),
> - [LPASS_CLK_ID_RX_CORE_NPL_MCLK] =
> - Q6AFE_CLK(LPASS_CLK_ID_RX_CORE_NPL_MCLK),
> - [LPASS_CLK_ID_VA_CORE_2X_MCLK] =
> - Q6AFE_CLK(LPASS_CLK_ID_VA_CORE_2X_MCLK),
> - [LPASS_HW_AVTIMER_VOTE] = Q6AFE_VOTE_CLK(LPASS_HW_AVTIMER_VOTE,
> - Q6AFE_LPASS_CORE_AVTIMER_BLOCK,
> - "LPASS_AVTIMER_MACRO"),
> - [LPASS_HW_MACRO_VOTE] = Q6AFE_VOTE_CLK(LPASS_HW_MACRO_VOTE,
> - Q6AFE_LPASS_CORE_HW_MACRO_BLOCK,
> - "LPASS_HW_MACRO"),
> - [LPASS_HW_DCODEC_VOTE] = Q6AFE_VOTE_CLK(LPASS_HW_DCODEC_VOTE,
> - Q6AFE_LPASS_CORE_HW_DCODEC_BLOCK,
> - "LPASS_HW_DCODEC"),
> +static const struct q6afe_clk_init q6afe_clks[] = {
> + Q6AFE_CLK(LPASS_CLK_ID_PRI_MI2S_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_PRI_MI2S_EBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_SEC_MI2S_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_SEC_MI2S_EBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_TER_MI2S_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_TER_MI2S_EBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_QUAD_MI2S_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_QUAD_MI2S_EBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_SPEAKER_I2S_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_SPEAKER_I2S_EBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_SPEAKER_I2S_OSR),
> + Q6AFE_CLK(LPASS_CLK_ID_QUI_MI2S_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_QUI_MI2S_EBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_SEN_MI2S_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_SEN_MI2S_EBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_INT0_MI2S_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_INT1_MI2S_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_INT2_MI2S_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_INT3_MI2S_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_INT4_MI2S_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_INT5_MI2S_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_INT6_MI2S_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_QUI_MI2S_OSR),
> + Q6AFE_CLK(LPASS_CLK_ID_PRI_PCM_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_PRI_PCM_EBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_SEC_PCM_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_SEC_PCM_EBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_TER_PCM_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_TER_PCM_EBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_QUAD_PCM_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_QUAD_PCM_EBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_QUIN_PCM_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_QUIN_PCM_EBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_QUI_PCM_OSR),
> + Q6AFE_CLK(LPASS_CLK_ID_PRI_TDM_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_PRI_TDM_EBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_SEC_TDM_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_SEC_TDM_EBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_TER_TDM_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_TER_TDM_EBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_QUAD_TDM_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_QUAD_TDM_EBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_QUIN_TDM_IBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_QUIN_TDM_EBIT),
> + Q6AFE_CLK(LPASS_CLK_ID_QUIN_TDM_OSR),
> + Q6AFE_CLK(LPASS_CLK_ID_MCLK_1),
> + Q6AFE_CLK(LPASS_CLK_ID_MCLK_2),
> + Q6AFE_CLK(LPASS_CLK_ID_MCLK_3),
> + Q6AFE_CLK(LPASS_CLK_ID_MCLK_4),
> + Q6AFE_CLK(LPASS_CLK_ID_INTERNAL_DIGITAL_CODEC_CORE),
> + Q6AFE_CLK(LPASS_CLK_ID_INT_MCLK_0),
> + Q6AFE_CLK(LPASS_CLK_ID_INT_MCLK_1),
> + Q6AFE_CLK(LPASS_CLK_ID_WSA_CORE_MCLK),
> + Q6AFE_CLK(LPASS_CLK_ID_WSA_CORE_NPL_MCLK),
> + Q6AFE_CLK(LPASS_CLK_ID_VA_CORE_MCLK),
> + Q6AFE_CLK(LPASS_CLK_ID_TX_CORE_MCLK),
> + Q6AFE_CLK(LPASS_CLK_ID_TX_CORE_NPL_MCLK),
> + Q6AFE_CLK(LPASS_CLK_ID_RX_CORE_MCLK),
> + Q6AFE_CLK(LPASS_CLK_ID_RX_CORE_NPL_MCLK),
> + Q6AFE_CLK(LPASS_CLK_ID_VA_CORE_2X_MCLK),
> + Q6AFE_VOTE_CLK(LPASS_HW_AVTIMER_VOTE,
> + Q6AFE_LPASS_CORE_AVTIMER_BLOCK,
> + "LPASS_AVTIMER_MACRO"),
> + Q6AFE_VOTE_CLK(LPASS_HW_MACRO_VOTE,
> + Q6AFE_LPASS_CORE_HW_MACRO_BLOCK,
> + "LPASS_HW_MACRO"),
> + Q6AFE_VOTE_CLK(LPASS_HW_DCODEC_VOTE,
> + Q6AFE_LPASS_CORE_HW_DCODEC_BLOCK,
> + "LPASS_HW_DCODEC"),
> };
>
> static struct clk_hw *q6afe_of_clk_hw_get(struct of_phandle_args *clkspec,
> @@ -207,7 +194,7 @@ static struct clk_hw *q6afe_of_clk_hw_get(struct of_phandle_args *clkspec,
> unsigned int idx = clkspec->args[0];
> unsigned int attr = clkspec->args[1];
>
> - if (idx >= cc->num_clks || attr > LPASS_CLK_ATTRIBUTE_COUPLE_DIVISOR) {
> + if (idx >= Q6AFE_MAX_CLK_ID || attr > LPASS_CLK_ATTRIBUTE_COUPLE_DIVISOR) {
> dev_err(cc->dev, "Invalid clk specifier (%d, %d)\n", idx, attr);
> return ERR_PTR(-EINVAL);
> }
> @@ -230,20 +217,36 @@ static int q6afe_clock_dev_probe(struct platform_device *pdev)
> if (!cc)
> return -ENOMEM;
>
> - cc->clks = &q6afe_clks[0];
> - cc->num_clks = ARRAY_SIZE(q6afe_clks);
> + cc->dev = dev;
> for (i = 0; i < ARRAY_SIZE(q6afe_clks); i++) {
> - if (!q6afe_clks[i])
> - continue;
> + unsigned int id = q6afe_clks[i].clk_id;
> + struct clk_init_data init = {
> + .name = q6afe_clks[i].name,
> + };
> + struct q6afe_clk *clk;
> +
> + clk = devm_kzalloc(dev, sizeof(*clk), GFP_KERNEL);
> + if (!clk)
> + return -ENOMEM;
> +
> + clk->dev = dev;
> + clk->afe_clk_id = q6afe_clks[i].afe_clk_id;
> + clk->rate = q6afe_clks[i].rate;
> + clk->hw.init = &init;
> +
> + if (clk->rate)
> + init.ops = &clk_q6afe_ops;
> + else
> + init.ops = &clk_vote_q6afe_ops;
>
> - q6afe_clks[i]->dev = dev;
> + cc->clks[id] = clk;
>
> - ret = devm_clk_hw_register(dev, &q6afe_clks[i]->hw);
> + ret = devm_clk_hw_register(dev, &clk->hw);
> if (ret)
> return ret;
> }
>
> - ret = of_clk_add_hw_provider(dev->of_node, q6afe_of_clk_hw_get, cc);
> + ret = devm_of_clk_add_hw_provider(dev, q6afe_of_clk_hw_get, cc);
> if (ret)
> return ret;
>
> diff --git a/sound/soc/qcom/qdsp6/q6afe.c b/sound/soc/qcom/qdsp6/q6afe.c
> index cad1cd1bfdf0..4327b72162ec 100644
> --- a/sound/soc/qcom/qdsp6/q6afe.c
> +++ b/sound/soc/qcom/qdsp6/q6afe.c
> @@ -1681,7 +1681,7 @@ int q6afe_unvote_lpass_core_hw(struct device *dev, uint32_t hw_block_id,
> EXPORT_SYMBOL(q6afe_unvote_lpass_core_hw);
>
> int q6afe_vote_lpass_core_hw(struct device *dev, uint32_t hw_block_id,
> - char *client_name, uint32_t *client_handle)
> + const char *client_name, uint32_t *client_handle)
> {
> struct q6afe *afe = dev_get_drvdata(dev->parent);
> struct afe_cmd_remote_lpass_core_hw_vote_request *vote_cfg;
> diff --git a/sound/soc/qcom/qdsp6/q6afe.h b/sound/soc/qcom/qdsp6/q6afe.h
> index 22e10269aa10..3845b56c0ed3 100644
> --- a/sound/soc/qcom/qdsp6/q6afe.h
> +++ b/sound/soc/qcom/qdsp6/q6afe.h
> @@ -236,7 +236,7 @@ int q6afe_port_set_sysclk(struct q6afe_port *port, int clk_id,
> int q6afe_set_lpass_clock(struct device *dev, int clk_id, int clk_src,
> int clk_root, unsigned int freq);
> int q6afe_vote_lpass_core_hw(struct device *dev, uint32_t hw_block_id,
> - char *client_name, uint32_t *client_handle);
> + const char *client_name, uint32_t *client_handle);
> int q6afe_unvote_lpass_core_hw(struct device *dev, uint32_t hw_block_id,
> uint32_t client_handle);
> #endif /* __Q6AFE_H__ */
>
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